PU Omastar [QC: 3/3] [GP: 2/2]


[OVERVIEW]

Omastar's toolkit has great variety both offensively and defensively, letting it perform the role of a threatening setup sweeper with Shell Smash or of a utility entry hazard setter with access to Stealth Rock, Spikes, and Toxic Spikes. Omastar's phenomenal Special Attack stat, coverage options with moves like Ice Beam and Earth Power, and great use of Z-Moves give it both immediate offensive presence and ways of dealing with checks such as Lanturn, Jynx, and Poliwrath. Its flexibility also lies in its abilities, as offensive sets appreciate Weak Armor and Swift Swim creating advantageous positions, while Shell Armor is great for securing its durability defensively. With a large Defense stat and a solid Rock / Water typing, Omastar can find opportunities to set up Shell Smash or hazards on many offensive and defensive Pokemon alike. That same typing and Defense also allow it to act as an effective physical wall capable of checking a variety of threats including Skuntank, Scyther, and Stoutland. However, despite its great offensive presence, Omastar's low Speed inhibits its ability to threaten faster Pokemon like Mesprit and Pyroar before setting up. This flaw also means that even after a boost, it is susceptible to popular Choice Scarf users such as Togedemaru and Primeape. For all its advantages with its typing, it suffers from weaknesses to several common types, notably a severe weakness to Grass, which leaves it pressured by STAB or coverage moves from Pokemon like Lilligant and Floatzel. Its Fighting weakness leaves it susceptible to common priority users such as Hitmonchan, Gurdurr, and Poliwrath, while its Electric weakness leaves it vulnerable to Pokemon like Lanturn and Manectric. Its low Special Defense not only worsens this issue against these Grass- and Electric-type Pokemon but also limits Omastar's setup opportunities to situational circumstances like against Choice Specs Froslass locked into Ice Beam.

[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Hydro Pump
move 3: Ice Beam
move 4: Earth Power / Hyper Beam
item: Waterium Z / Normalium Z / White Herb
ability: Weak Armor / Swift Swim
nature: Modest / Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========

Shell Smash makes Omastar a potent offensive threat and sweeper. Hydro Pump is Omastar's primary STAB move, as even unboosted, the sheer power it possesses threatens Water-weak or specially frail Pokemon like Aurorus, Regirock, Mudsdale, and Sableye. Waterium Z turns it into an extremely powerful nuke that breaks through specially bulky Pokemon like Clefairy and Articuno after a Shell Smash boost while also OHKOing Gurdurr and Spiritomb after Stealth Rock damage unboosted. Ice Beam blasts through Grass- and Dragon-type Pokemon such as Lilligant, Gourgeist-XL, Altaria, and Silvally-Dragon harder than Omastar's Water STAB attacks and can break past Swanna after a Shell Smash boost despite its neutrality. Earth Power hits Lanturn hard and, after a Shell Smash boost and Stealth Rock damage, OHKOes Jynx when Omastar is running a Modest nature. Alternatively, Hyper Beam with Normalium Z allows Omastar to break through bulky Water-type Pokemon such as Poliwrath and Silvally-Water that can otherwise tank a boosted hit from the rest of its attacks. Meanwhile, Breakneck Blitz's power remains adequate in breaking through certain bulky Pokemon like Eelektross after a boost. Given the fact that Omastar's primary role is cleaning through teams, Surf is an efficient alternative to Hydro Pump, as it's also reasonably powerful and does not miss. The loss of power can be notable, however, with the additional setback of also having a weaker Hydro Vortex.

Set Details
========

Maximum Special Attack and Speed investment with a Modest nature gives Omastar the greatest amount of power, maximizing its offensive prowess before and after a Shell Smash. Timid is an alternate option to outspeed positive-natured Choice Scarf Mesprit and Kabutops after a Shell Smash and Jolly Aggron before a boost, but the loss in power does lose out on certain KOs such as on Gurdurr with a Hydro Vortex or on Eelektross with a boosted Breakneck Blitz. Waterium Z with Hydro Pump allows Omastar to use Hydro Vortex, a very strong nuke option that allows it to break through many relevant specially defensive Pokemon such Clefairy, Assault Vest Crabominable, and specially defensive Articuno after a Shell Smash boost and also has great initial power, OHKOing Gurdurr after Stealth Rock damage. Hydro Vortex also gets a drastic boost under rain, giving Omastar utility for those team archetypes. Normalium Z turns Hyper Beam into Breakneck Blitz, allowing Omastar to break through Water-types such as Ludicolo or and Poliwrath that can otherwise take a boosted hit. It can also OHKO Jynx unboosted after Stealth Rock damage. White Herb doesn't add a power boost but negates Shell Smash's defense drops to let Omastar better take hits from priority and Choice Scarf users like Absol and Swanna. Life Orb provides a consistent power boost to Omastar's attacks that lets it more viably run Surf to clean without missing out on relevant power as much. This comes with being more easily worn down into range of priority attacks, however. Weak Armor is the preferred ability option for non-rain archetypes, as, after a Shell Smash boost, taking a physical hit would allow Omastar to outspeed every Choice Scarf user in the tier. Swift Swim is a predominant option for rain teams, as the doubled Speed it offers under the weather increases Omastar's offensive presence twofold; not only can it clean much more reliably without requiring a Shell Smash boost, but with a boost it also outruns every Choice Scarf user.

Usage Tips
========

Omastar's game plan varies depending on the opponent's team composition and its item, particularly its Z-Crystal. Waterium Z gives Omastar more leeway in breaking down bulky targets early- to mid-game, as it offers the highest damage output in any situation and can let Omastar break past bulky Pokemon like Clefairy or and Throh without the need of prior damage after a Shell Smash boost. Omastar should aim to set up Shell Smash on forced switches, Choice-locked foes, and Pokemon that can't really threaten it like Scyther, Weezing, and Type: Null. Omastar doesn’t doesn't need to set up to threaten Pokemon due to its raw power, good STAB move, and coverage, so against offensive teams, it may be better to simply fire off a powerful unboosted Hydro Pumps Pump or Z-Moves Z-Move and nab KOs on slower foes that stay in due to the threat of setting up. Normalium Z variants often need bulky targets whittled down a fair amount before attempting to threaten the opposing team and should otherwise be preserved for when certain bulky Water-types or healthy bulky offensive threats such as Eelektross are present for Omastar to break past them. Otherwise, it is often best to avoid attempting a sweep until later in the game where checks are likely weakened and/or (pick one) priority users looking to pick Omastar off are removed. Weak Armor can be effective for boosting Omastar's Speed on a timely hit, and thanks to Omastar's high Defense stat, it can capitalize on it Weak Armor by pivoting into moves such as Fake Out from Kangaskhan and Aerial Ace from Scyther. That said, Omastar should avoid switching in too many times, especially when entry hazards on its side of the field are present, as it's important to stay out of range of super effective or powerful priority attacks such as Hitmonchan's Mach Punch, Poliwrath's Vacuum Wave, and Absol's Sucker Punch. Omastar's niche on rain teams stems from its doubled Speed and boosts to its main STAB attack, which let it more liberally threaten opposing teams without setting up. Omastar can also find opportunities to pivot in through momentum from staple teammates such as Mesprit and Liepard and apply pressure whenever possible.

Team Options
========

Omastar appreciates members that supplement its offensive presence. Mesprit provides Stealth Rock support, has a great resistance in Fighting and an immunity to Ground, can set up rain, and can use a slow U-turn to bring Omastar in safely or use Healing Wish to give it a second chance at sweeping later in the match. Entry hazard support from Froslass and Weezing is useful for racking up damage on sturdy specially defensive Pokemon or Water-type checks like Poliwrath and Throh. Both Pokemon can also switch into Fighting-type moves, and Weezing can switch into Ground- and Grass-type moves as well. They threaten both Hitmonchan and Assault Vest Crabominable with Will-O-Wisp and deter recovery from checks like Clefairy and Cradily with Taunt if they're worn down. Checks to Water-type Pokemon like Silvally-Water and Poliwrath include Eelektross and Lurantis, teammates that can also either generate momentum or ease pressure on their own side of the field by removing hazards. Physical wallbreakers like Stoutland and Choice Band Skuntank wear down Clefairy, Hitmonchan, and Articuno, and in return they appreciate Omastar threatening Pokemon like Regirock and Weezing. Accounting for stall archetypes is recommended, as Omastar has issues breaking through Pyukumuku. Wallbreakers such as Aggron are adept in breaking holes against many cores with their sheer power alone, while bulky sweepers such as Calm Mind Clefairy can actively pressure those teams throughout the course of the matchup. Qwilfish is also a notable option for its ability to pressure staples of stall through its use of Spikes, Destiny Bond, and Taunt. Omastar also appreciates Qwilfish checking Hitmonchan, as the added hazard damage and Rocky Helmet recoil aid it in pushing Hitmonchan to KO range. Volbeat and Liepard are other weather setters that can help secure setup opportunities for Omastar, with Volbeat offering a resistance to Ground- and Fighting-type moves, Liepard threatening Pokemon like Jynx and crippling bulky Pokemon with Knock Off, and both opening opportunities with U-turn and Encore to bring Omastar in safely and set up. Thunder Wave support can help Omastar outspeed Choice Scarf users like Primeape under the rain without setting up. Offensive rain partners such as Poliwrath, Kabutops, and Ludicolo are definitely appreciated in adding pressure to opposing bulkier Water-resistant Pokemon and special walls. Sticky Web can allow Omastar to outpace fast Pokemon and fast revenge killers after a Shell Smash boost. Shuckle and Smeargle can both provide this while also offering Stealth Rock support, and they additionally provide miscellaneous support through Encore, Final Gambit, Spore, or Nuzzle. Omastar also appreciates being paired with the likes of Zangoose, Oricorio-G, and Jynx on these archetypes, as they help break through specially bulky Pokemon and can check Fighting-types well in Oricorio-G's case.

[SET]
name: Defensive Hazard Utility
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Leftovers
ability: Shell Armor
nature: Bold
evs: 248 HP / 236 Def / 24 SpA

[SET COMMENTS]
Moves
========

Stealth Rock helps Omastar's team rack up chip damage and is potent in punishing Pokemon like Scyther and Froslass. It also pressures certain entry hazard removers weak to Rock such as Swanna and Altaria. Spikes is a great secondary hazard option for adding damage to any grounded Pokemon and is a prime option for paving the way for offensive partners like Kangaskhan and Eelektross to pressure the opposing team. Scald is Omastar's main form of damage output, also pressuring Rock-, Ground-, and Fire-type Pokemon like Regirock, Mudsdale, and Combusken. Omastar can also use this move to spread potential burns, which can be especially helpful for crippling switch-ins like Hitmonchan and Assault Vest Crabominable. Ice Beam dents Grass-type switch-ins like Lilligant while also deterring potential Defog setters such as Altaria, Silvally-Dragon, and Lurantis, 2HKOing each target after Stealth Rock damage. Hidden Power Electric gives Omastar the option of taking out Swanna outright, which helps maintain hazards in matchups against it. Hidden Power Electric can also 2HKO Qwilfish and deal a fair chunk to Silvally-Water and Poliwrath. Toxic Spikes is a less consistent but strong alternative for crippling many defensive and offensive threats by putting them on a timer and negating Leftovers recovery. Protect can scout against foes that may use super effective moves like Floatzel and Choice-locked Primeape, can cushion against Z-Moves from the likes of Kangashan, racks up another turn of Leftovers recovery, and racks up residual damage from potential Scald burns.

Set Details
========

248 HP EVs maximize Omastar's HP stat to supplement its bulk while giving it a number that reduces the entry hazard damage Omastar takes. The remaining EVs go into Defense with a Bold nature to fully augment its physical bulk to allow it to reliably tank repeated hits from physical attackers like Skuntank and Kangaskhan. Shell Armor is Omastar's most useful ability for this set, as it prevents its efforts in checking physical attackers from being impeded by an untimely critical hit. 24 Special Attack EVs serve the purpose of guaranteeing the OHKO on Swanna and the 2HKO on Lurantis with the right coverage move. Leftovers provide Omastar passive recovery for each turn.

Usage Tips
========

Omastar's key role is to pressure the opposing team by racking up entry hazards, and it should use its defensive attributes and attacking options to pivot into Pokemon that it can wall and threaten out, such as Regirock, Skuntank, and Gourgeist-XL without a Grass-type move. If the opponent has a Defog user, particularly one susceptible to its coverage options, Omastar should use them sparingly to surprise them on the switch or after putting them in a position where they are pressured to remove the hazards. Omastar should set the proper hazard depending on the opposing team's composition before other hazards. Against teams where pressuring Pokemon like Oricorio-G, Aurorus, and Scyther is important, it should opt to get up Stealth Rock first, while more grounded teams would face more consistent pressure from Spikes or Toxic Spikes. After hazards are set up, Omastar can afford to pressure switch-ins such as Hitmonchan and Lurantis with a potential Scald burn or 2HKO Lurantis with Ice Beam, and it is great at providing consistent damage with its attacks due to its solid Special Attack, even with little investment. This set is vulnerable to strong special attackers such as Alolan Exeggutor and Eelektross throughout the match, so Omastar should pivot out into checks on either a double switch or after it has set up a layer of hazards on their switch.

Team Options
========

Omastar's great hazard stacking utility with this set gives it a strong niche for teams that appreciate a slot for hazard stacking freed up, giving it a solid role on bulky offense or momentum-based teams. Ghost-types that check troubling Fighting-types like Hitmonchan, Primeape, and Poliwrath are prime considerations for partners, with a myriad of options including Sableye, Oricorio-G, and Spiritomb. Not only do they fulfill the vital role of spinblocking, but these Pokemon also force lots of switches with their status-spreading utility and late-game sweeping options. Oricorio-G is also great for taking on threats like Lurantis. Good catch-all revenge killers such as Kangaskhan and Togedemaru are commonplace on teams that strive towards keeping hazards up constantly, as they can more reliably pick off threats with their main options as well as punish their typical switch-ins like Regirock and Mudsdale with indirect damage. Primeape can also punish Defoggers thanks to Defiant. Specially bulky Pokemon such as Hitmonchan or and Eelektross offer great utility by pivoting into many special attackers that have the means to break through Omastar, with Hitmonchan acting as a good general specially bulky Pokemon that can remove hazards while preserving Omastar's. Eelektross has a good match up against Poliwrath, Silvally-Water, and Lanturn and can gain more mileage out of the constant switches it forces through the added hazard damage. Throh can take advantage of hazards with its Circle Throw, can absorb status, and sponges special attacks from the likes of Eelektross and Lilligant. Cleaners and setup sweepers such as Lilligant, Lycanroc, and Combusken all appreciate the multiple layers of hazards to wear down foes into KO range. Lilligant and Combusken specifically also share good defensive and offensive synergy with Omastar, as Lilligant resists Ground and can threaten the Water-types that could be bothersome. Combusken, on the other hand, threatens Grass-types.

[SET]
name: Lead
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Focus Sash
ability: Weak Armor
nature: Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========

Stealth Rock damages any Pokemon that switches in and punishes entry hazard removers that can't safely switch in, such as Rotom-F. Spikes combined with Stealth Rock is great for setting the opposing team up for offensive pressure. Scald is useful for consistent damage and its utility in spreading potential burns, which can be great for pressuring Hitmonchan that try to come in and remove Omastar's hazards. Ice Beam punishes Grass-type switch-ins while deterring Altaria and Silvally-Dragon from trying to Defog away Omastar's hazards. Alternatively, Hidden Power Electric KOes Swanna, 2HKOes Qwilfish, and deals respectable chip damage to Poliwrath and Silvally-Water, preventing it from being Defog, Spikes, or Substitute fodder to these Pokemon. Toxic Spikes is an option that can punish certain team compositions heavily by putting bulky and offensive Pokemon on a timer but tends to function rather poorly on a lead set, as it is the hazard most susceptible to being removed.

Set Details
========

Maximum Speed investment with a Timid nature is ideal in ensuring that Omastar is able to get up its entry hazards as quickly as possible against the opposing team while also outspeeding opposing lead Pokemon such as Aggron. Weak Armor is useful in securing situations in which Omastar can stack up a subsequent layer of hazards before being KOed itself. Focus Sash is the best item choice, as it usually guarantees that Omastar can set an additional layer of hazards if it leads and can allow Omastar to stay in and win the one-on-one matchup against a Lurantis attempting to threaten it out with its STAB attacks.

Usage Tips
========

Given that Omastar's Focus Sash is pivotal in granting it opportunities to set up both Stealth Rock and Spikes, it should typically come in early-game, when it is most likely to be preserved. Against a reliable Defog user that Omastar struggles to take down such as Silvally-Water or Articuno, it should either fish for Scald burns, chip it down with the right coverage option, or simply double out into a check that can appropriately pressure them depending on the situation. Using Weak Armor to Omastar's advantage can be very rewarding in the right circumstances, as it allows Omastar to either set up more entry hazards against an opponent trying to pick it off or threaten normally faster threats with its attacks, letting it force switches and add chip damage against the opposing team. Omastar can afford to stay in on powerful attackers and Grass-types liberally, as it has the option of either setting up hazards or weakening them for the rest of the team due to its Focus Sash. If needed, Omastar can stick around to check Pokemon like Kangaskhan, Scyther, and Zangoose in an emergency, being able to pivot into an attack at least once and outspeed them afterward thanks to Weak Armor.

Team Options
========

This hazard-based variant of Omastar demands offensive teams that can keep up active pressure against the opposing team to overwhelm the opponent's entry hazard removers. Spinblockers such as Oricorio-G, Haunter, and Froslass naturally do this individually while also having the means of keeping up offensive pressure with their immediate presence and access to moves like Taunt to preserve hazards and punish recovery. Primeape's ability to deter Defog with its ability in Defiant can exert great pressure and makes it quite adept at forcing switches to bring in offensive teammates safely with U-turn. Setup sweepers such as Jynx, Lycanroc, and Lilligant all appreciate their switch-ins weakened by multiple entry hazards. Pokemon like Kangaskhan, Togedemaru, and Eelektross are good for taking advantage of Spikes through the switches they can force, the momentum they can generate, and their ability to dish out damage more easily.

[STRATEGY COMMENTS]
Other Options
=============

A Choice Specs set takes advantage of Omastar's immediate offensive presence and lets it secure surprise KOs due to how Omastar is often responded to, but it loses the ability to set up and makes Omastar more vulnerable to Water-immune and -resistant Pokemon. Hidden Power Rock can be situationally useful in threatening specially defensive Articuno but doesn't offer coverage that would be preferred over the main options otherwise. Similarly, Stone Edge can be used with merely 20 Attack EVs on defensive entry hazard sets to lure and OHKO standard defensive Articuno, giving it utility against stall-oriented matchups. It's limited in utility otherwise, however, and Omastar tends to prefer its special movepool for both its utility and for dealing with more relevant metagame threats. Knock Off can be used on the defensive set to cripple some defensive checks like Clefairy and Lanturn, but Omastar prefers the coverage that can provide it a better matchup against mainstream checks and Defoggers. Toxic is also a decent option for the defensive set, crippling bulky foes and setup sweepers, but it doesn't really capitalize on Omastar's great Special Attack stat and leaves Omastar with fewer options for punishing Defog users directly. Icy Wind is a less powerful alternative to Ice Beam on hazard sets to slow down certain faster Pokemon after a hit, allowing Omastar to either stack up another hazard or deliver another attack and letting it provide reasonable team support by allowing slower wallbreakers to punish the threat. Ice Beam's power is vastly preferred, however.

Checks and Counters
===================

**Water-types**: Pokemon such as Lanturn, Poliwrath, Ludicolo, and Silvally-Water force Omastar to commit to a boosted Hyper Beam-based Breakneck Blitz to be able to break past them, although Assault Vest variants of Lanturn can always survive this and Earth Power after Stealth Rock damage and OHKO with Discharge afterward. Poliwrath and Ludicolo can also retaliate with their secondary STAB attacks and, in Poliwrath's case, priority Vacuum Wave, while Silvally-Water can threaten Omastar with Thunderbolt. Pyukumuku shrugs off any offensive variant of Omastar with ease thanks to Unaware ignoring its boosts and can stall it out with Toxic.

**Priority**: Given the potential Defense drops that come with it setting up and potentially activating Weak Armor, Omastar is susceptible to being revenge killed by strong priority users. This is especially clear in the case of super effective hits from the likes of Gurdurr and Hitmonchan and strong Sucker Punch users such as Absol.

**Faster Pokemon**: If Weak Armor isn't activated after it has set up, fast Choice Scarf users such as Primeape, Togedemaru, and Manectric are solid options for picking off Omastar. If Omastar is not running a Timid nature, it also is left open to be revenge killed by base 80 Choice Scarf Pokemon like Mesprit and Shiftry.

**Specially Defensive Pokemon**: If Omastar is not running Waterium Z, many bulky Pokemon such as Clefairy, Assault Vest Crabominable, specially defensive Articuno, and Throh are able to shrug off any boosted hit and either threaten it with their STAB options or cripple it with Toxic or Thunder Wave in Clefairy's case. Cradily can also avoid being KOed by a boosted Ice Beam if Omastar is not running Life Orb and OHKO in retaliation with Giga Drain and is immune to Hydro Pump thanks to Storm Drain.

**Strong Special Attackers**: If Omastar is unboosted, it will lack the speed or power to threaten Pokemon such as Eelektross, Floatzel, Silvally-Dragon, and Lilligant, as they either are faster or will have the bulk necessary to take a hit and KO in return with their strong STAB or Grass-type coverage moves. Defensive sets are also vulnerable to wallbreakers such as Drampa and Aurorus outspeeding them and KOing them with their powerful attacks.

**Jynx**: Jynx can address Omastar thanks to its Dry Skin ability granting it an immunity to its Water-type STAB attacks, allowing it to shrug off any unboosted and boosted hit apart from a Breakneck Blitz or a Modest Earth Power after Stealth Rock damage and a Shell Smash boost. It can retaliate by threatening it with Lovely Kiss, outspeeding it if it boosts its Speed with Z-Lovely Kiss and potentially turning it into setup bait for Nasty Plot. If Omastar's defenses are at -1 due to Shell Smash, Jynx can also pick it off with its STAB attacks after significant chip damage. Choice Scarf sets can outspeed a boosted Omastar and revenge kill it.

[CREDITS]
- Written by: [[jklioe, 424692]]
- Quality checked by: [[allstarapology, 400292], [Darkinium, 448296], [Megazard, 202117]]
- Grammar checked by: [[TheDutchPlumberjack, 232216], [A Cake Wearing A Hat, 388157]]
 
Last edited:

asa

is a Site Content Manageris a Community Leaderis a Community Contributoris a Tiering Contributoris a Top Contributoris a Social Media Contributor Alumnus
PU Leader

[OVERVIEW]
  • Omastar’s kit reaches a level of versatility that provides it a great deal of variability both offensively and defensively, whether it is performing the role of a threatening setup sweeper with Shell Smash or a utility hazard setter with access to all of Stealth Rock, Spikes, and Toxic Spikes.
  • Offensively, Omastar’s phenomenal Special Attack stat, optimal coverage options with moves such as Ice Beam and Earth Power, and great utility with Z-moves give it both good immediate presence and options for getting around otherwise checks such as Lanturn, Jynx, and Poliwrath.
  • Its flexibility also lies in its abilities where it can get great mileage out of each of them with the right set, as offensive sets appreciate Weak Armor and Swift Swim aiding its offensive presence and creating great advantageous positions during setting up, while Shell Armor is great for securing its durability defensively.
  • With a large Defense stat and a solid defensive Water / Rock typing, Omastar is able to find opportunities of setting up Shell Smash or hazards as it can exploit many offensive and defensive Pokemon alike. That same defensive typing and Defense allows it to also function as an effective physical wall capable of checking a variety of threats including Skuntank, Scyther, and Stoutland.
  • Despite its strong offensive presence, Omastar’s low Speed inhibits its ability to directly threaten naturally faster Pokemon like Mesprit and Pyroar before setting up. This particular flaw also means that even after a boost, it is rather susceptible of being picked up (off) by popular Choice Scarf users such as Togedemaru and Primeape.
  • For all its advantages with its typing, it suffers from a weakness to several common types, notably a severe weakness to Grass-types that leave it pressured by STAB attacks or coverage moves from Pokemon like Lilligant, Eelektross, (you're more than likely gonna hit omastar with your electric-type STAB move, though that's kinda nitpicky.) and Pyroar. Additional weaknesses to Fighting-types also adds the issue of being vulnerable to common priority users such as Hitmonchan, Gurdurr, and Poliwrath, while its Electric-weaknesses leaves it vulnerable to being pressured by Pokemon like Lanturn and Manectric. Its low Special Defense not only exacerbates this problem against a lot of these Grass- and Electric-type Pokemon, but also limits Omastar's setup opportunities to very situational circumstances such as Pyroar being locked into Fire Blast.
  • Regardless of these shortcomings, Omastar can provide a valuable addition to many offensive and bulkier teams thanks to its ability to be customized to fit a variety of needs.
  • While none of the information here is really 'wrong', it does feel rather long-winded when it could easily say its piece in a simpler manner. I know you were talking to me about this before, but if you want me to be a bit more specific about this, PM me or smth.
[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Hydro Pump
move 3: Ice Beam
move 4: Earth Power / Hyper Beam
item: Waterium Z / Normalium Z / White Herb
ability: Weak Armor / Swift Swim
nature: Modest / Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========
  • Shell Smash gives Omastar the combined function of an extremely powerful offensive threat and potent sweeper, boosting all of its offensive stats by 2 stages each. It is able to outspeed the entire unboosted metagame and can outspeed many of the slower Choice Scarf Pokemon such as Aurorus and Abomasnow. (combine the two sentences bc the second one doesn't sound right on its own.)
  • Hydro Pump is Omastar's primary STAB move of choice, as even unboosted, the sheer power it possesses allows it outright threaten Water-weak or specially frail Pokemon like Aurorus, Regirock, Mudsdale, and Sableye. The boost to its power provided by Hydro Vortex that allows for an extremely powerful nuke that can help it break through numerous specially bulky Pokemon after a Shell Smash boost, while also OHKOing Gurdurr and Spiritomb after Stealth Rock damage without a boost.
  • Ice Beam nets a strong coverage option that blasts through Grass- and Dragon-type Pokemon such as Lilligant, Gourgeist, Altaria, and Silvally-Dragon harder than its Water STAB, and can easily break past Swanna after a Shell Smash boost despite its neutrality thanks to its frailty.
  • Earth Power's coverage is optimal in allowing it to safely punch through Lanturn a significant amount. After a Shell Smash boost, Jynx is OHKOed by this move when factoring in Stealth Rock damage. (specify that only modest guaranteed OHKOes at +2 after stealth rock.)
  • Hyper Beam is meant to be used in combination with Normalium Z which allows for an extremely powerful nuke option against bulky Water-type Pokemon such as Poliwrath and Silvally-Water that would otherwise be able to comfortably tank a boosted hit from the rest of its attacks. Meanwhile, its power remains relatively adequate in breaking through certain specially bulky Pokemon such as Eelektross after a boost.
  • Given Omastar's primary role in cleaning through teams, Surf is a more efficient alternative that can be justified as it is also reasonably powerful and does not miss. The loss of power can be rather notable, however, with the setback of also having a weaker Hydro Vortex. (any KOs you lose out on by opting for surf instead?)
Set Details
========
  • Maximum investment in Special Attack and Speed with a Modest gives it the most about of power and speed, maximizing its offensive capabilities before and after a Shell Smash. After a Shell Smash, it outspeeds every relevant Choice Scarf user up to Abomasnow.
  • Timid nature is an optional alteration to naturally outspeed Jolly Aggron and Timid Choice Scarf Mesprit after a Shell Smash, (move this bit about timid scarf mesprit first, the current wording makes it sound like you need to ss to outpace aggron too.) but the loss in power does affect certain KO ranges such as Gurdurr with a Hydro Vortex or Eelektross with a boosted Breakneck Blitz.
  • Waterium Z's purpose is that of its strongest nuke option that allows it to optimally break through numerous relevant specially defensive Pokemon such Clefairy, Assault Vest Crabominable, and Specially Defensive Articuno with ease after a Shell Smash boost and has strong initial power in allowing it to OHKO Gurdurr after Stealth Rock damage. It also gets a drastic boost under Rain, giving it utility for those team archetypes.
  • Normalium Z is used to activate Hyper Beam into a one-time use of Breakneck Blitz, allowing it to solidly break through Water-types such as Ludicolo or Poliwrath that would otherwise be able to take any boosted hit with relative ease. It can also OHKO Jynx without the need for Stealth Rock damage at +2, unlike Earth Power.
  • White Herb doesn't allow for any options for power boosting, but it allows Omastar to preserve its defenses after a Shell Smash. (elaborate a bit more on why this might be useful to omastar.)
  • Life Orb allows for a consistent power boost on all of Omastar's attacks that notably aids it in its ability to more liberally run Surf to clean without missing out on relevant power as much. This comes with being more easily worn down into the range of priority attacks, however.
  • Weak Armor is a prominent option for non-Rain archetypes, as taking a physical hit allows it to boost its Speed by 2 stages with a cost of its Defense being lowered by one stage. This, in combination with a Shell Smash boost, would allow it to outspeed every Choice Scarf user in the tier.
  • Swift Swim is a predominant option for Rain teams as the doubled Speed it offers under the weather makes Omastar's offensive presence twofold; not only can it clean much more reliably without requiring a Shell Smash boost, but in combination with a boost outruns every Choice Scarf user much like Weak Armor. Further, Swift Swim can also be used as an option for counter play against rain for non-weather teams.
Usage Tips
========
  • Omastar's presence on the field and how it should play varies depending on circumstances related to the opponent's team composition and its item of choice, particularly among its Z-moves. Waterium Z allows Omastar to have a bit more leeway in breaking down bulky targets early to mid-game, as it offers the highest damage output in any given situation and can be used to completely break past bulky Pokemon such as Clefairy or Throh without the need of prior damage after a Shell Smash boost.
  • Normalium Z often requires naturally bulky targets to be whittled down a fair amount before attempting to threaten the opposing team, and otherwise is meant to be preserved for when certain bulky Water-types or healthy bulky offensive threats such as Eelektross are present for Omastar to break past them.
  • Otherwise, it is often best to avoid attempting a sweep until later on in the game where checks are likely to have gone significantly weakened and/or priority users looking to pick it off have been removed.
  • Weak Armor can be an effective option for boosting its Speed on a timely hit, and thanks to Omastar's high Defense stat, can easily capitalize on it by pivoting into moves such as Fake Out from Kangaskhan or Aerial Ace from Scyther. That said, Omastar should avoid switching in too many times especially when hazards on its field are present, as it's important to stay out of range of super effective or powerful priority attacks such as Hitmonchan's Mach Punch, Poliwrath's Vaccumn Wave, and Absol's Sucker Punch.
  • Omastar's main attribute for its use on rain teams stems from its doubled speed and boosts in its main STAB, and with this, Omastar can be used to more liberally threaten opposing teams without requiring to set up. Omastar can also find opportunities to pivot in safely through momentum from staple teammates such as Mesprit and Liepard and apply pressure whenever possible.
Team Options
========
  • While Omastar can function self-sufficiently in its ability in setting up, it does appreciate members that are able to enhance its ability to supplement its presence. Mesprit is a very functional all-purpose teammate, as it is able to provide Stealth Rock support, offers great resistances in Fighting and an immunity to Ground, can provide the option of setting up rain, and can use a slow U-turn to bring Omastar in safely or Healing Wish to give it a second chance at sweeping later in the match.
  • Volbeat and Liepard are other weather-oriented options that can help nab options for Omastar, with Volbeat offering a bulky resistance to Ground- and Fighting-, Liepard offensively threatening Pokemon like Jynx and crippling bulky Pokemon with Knock Off, and both opening up opportunities with U-turn and Encore to bring it in safely and set up. Offensive partners in Rain such as Poliwrath, Kabutops, and Ludicolo are definitely appreciated in adding pressure to opposing bulkier Water-resistant Pokemon, and otherwise specially bulky Pokemon. (include something about volbeat and liepard carrying thunder wave, which allows omastar to outpace stuff like scarf primeape under rain even without using shell smash.)
  • Entry hazard support from Pokemon such as Froslass and Weezing are useful or adding damage to sturdy specially defensive or Water-type checks like Poliwrath and Throh. (both of these pokemon can switch into fighting-type moves, with weezing even being able to switch into ground- and grass-type moves as well, they can both pokemon like hitmonchan and av crab with will-o-wisp, smth about them both having taunt.)
  • Sticky Web is a useful form of entry hazard support in which Omastar can utilize which can allow Omastar to more easily outpace naturally fast Pokemon and fast revenge killers after a Shell Smash boost. Shuckle and Smeargle can both do this while also offering Stealth Rock support, while tangentially benefiting from the miscellaneous support options provided from all of Encore, Final Gambit, Spore, and Nuzzle, respectively. Omastar also appreciate its natural tendency of being paired with the likes of Zangoose, Oricorio-G, and Kingler on these archetypes, as they help break through specially bulky Pokemon and can check Fighting-types well in Oricorio-G's case.
  • Eelektross and Lurantis are good options for breaking down bulky Water-type Pokemon in less specialized offensive playstyles, and can either aid in generating momentum or alleviate pressure on its own side of the field by removing hazards, respectively.
  • Accounting for stall archetypes is ideal, as Omastar has major issues breaking through Pyukumuku which alone inhibits its overall matchup vs those types of teams. Wallbreakers such as Aggron are incredibly adept in breaking holes against many cores with its sheer power alone, while win cons such as Calm Mind Clefairy and Safeguard Bellossom go a long way towards actively pressuring those teams throughout the course of the matchup. (if you're running safeguard, you're not running moonblast, which means that altaria is guaranteed to pp stall you. you also struggle versus articuno as well as audino to a lesser extent.) Qwilfish is also a notable mention, for its ability to pressure staples of stall through its use of Spikes, Toxic Spikes and Taunt. Omastar also appreciates Qwilfish as a counter to Hitmonchan, (doesn't counter tpunch variants of chan.) as the added hazard damage and Rocky Helmet recoil aid it in pushing Hitmonchan to KO range.
[SET]
name: Defensive Hazard Utility
move 1: Stealth Rock
move 2: Spikes / Toxic Spikes (talked with yogi about this, but definitely do not slash tspikes with spikes. spikes is too good to pass up on atm. relegate tspikes to moves.)
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Leftovers
ability: Shell Armor
nature: Bold
EVs: 248 HP / 236 Def / 24 SpA

[SET COMMENTS]
Moves
========
  • Stealth Rock is Omastar's bread and butter support option for teams by racking up consistent chip damage to Pokemon that switches in and is especially potent in punishing the Fire-, Ice-, and Flying-type Pokemon in Scyther, Pyroar, and Froslass. It also pressures certain hazard removal Pokemon that are weak to Rock such as Swanna and Altaria.
  • Spikes is a great secondary hazard option for adding damage to any grounded Pokemon and can be stacked up 3 times to heavily pressure the opposing team from reliably switching around, and is a prime option for paving the way for offensive partners like Kangaskhan or Eelektross to pressure the opposing team.
  • Toxic Spikes is a less consistent but strong alternative for crippling many defensive and offensive threats by putting them on a timer and negating Leftovers recovery. (smth smth, reflect above change.)
  • Scald is Omastar's main form of consistent damage that allows it to adequately pressure Rock-, Ground-, and Fire-type Pokemon like Regirock, Pyroar, and Mudsdale. Omastar can also utilize this move to safely spread potential burns, which can be especially advantageous for crippling switch-ins such as Hitmonchan or Assault Vest Crabominale.
  • Ice Beam is a useful coverage move that can strongly dent Grass-type switch-ins like Lilligant while also deterring potential Defog setters such as Altaria, Silvally-Dragon, and Lurantis, 2HKOing each of these targets after Stealth Rock damage.
  • Hidden Power Electric is an alternative coverage that gives it the option of taking out Swanna outright, which is vital for maintaining hazards in matchups involving the use of it as a Defogger. It also has the added benefit of 2HKOing Qwilfish and dealing a fair chunk to Silvally-Water.
  • imo, protect should be here. it's good for scouting, especially against foes that you suspect carry super effective coverage, can cushion the blow from z-moves, gives you an additional turn of leftovers recovery, and adds on residual damage from potential scald burns.
Set Details
========
  • 24 Special Attack EVs serves the purpose of guaranteeing the OHKO on Swanna and 2HKO on Lurantis with the appropriate coverage move.
  • 248 HP EVs maximizes its HP stat to supplement its bulk while giving it a number that reduces the hazard damage Omastar takes.
  • The remaining EVs are dumped into Defensive with a Bold nature to fully augment its physical bulk to allow it to reliably tank repeated hits from physical attackers like Skuntank and Kangaskhan.
  • Leftovers provide Omastar passive recovery for each turn.
  • Shell Armor is Omastar's most applicable ability for this set, as it allows for its efforts in checking physical attackers to not be impeded by an untimely critical hit, and thus perform its job more reliably.
Usage Tips
========
  • Omastar's main role is to find opportunities to pressure the opposing team by racking up multiple hazards, and it should use its defensive attributes and attacking options to pivot into Pokemon that it can comfortably wall and potentially threaten out, such as Regirock, Skuntank, and Gourgeist-XL without a Grass attacking move. (regirock carries toxic a lot, so maybe mention that omastar should be wary about that.)
  • If the opponent has a Defog user, particularly one that is susceptible to its coverage options, Omastar should use them sparingly to surprise them on the switch or after putting them in a position where they are pressured into removing the hazards.
  • Omastar should proactively set the appropriate hazard firsthand depending on the opposing team's composition before other hazards. Against teams where pressuring Pokemon like Oricorio-G, Aurorus, and Scyther is important, it should opt to get up Stealth Rock first, whereas against more grounded teams one would find more consistent pressure from Spikes and Toxic Spikes.
  • Toxic Spikes is especially useful in pressuring specialized playstyles that lack a Poison-type, but its use should be avoided until grounded Poison-types are removed.
  • After Omastar has set up hazards, Omastar can afford to pressure switch ins such as Hitmonchan and Lurantis with a timely Scald burn (not a big fan of this wording, just say that it can afford to spam scald in hopes of burning or smth.) or 2HKO with Ice Beam respectively, and in general is great at providing consistent damage with its attacks in general due to its solid Special Attack, even with little investment.
  • This set is more prone to being exploited by strong special attackers such as Exeggutor-Alola and Eelektross throughout the match, so Omastar should opt to pivot out into checks on either a double prediction or after it has set up a layer of hazards on their switch.
Team Options
========
  • Omastar's great hazard stacking utility with this set gives it a strong niche for teams that appreciate a slot for hazard stacking freed up while still performing such roles reliably, and thus sports a solid role on bulky offense or momentum-based teams that appreciate the hazards racking up damage against the opposing team.
  • Ghost-types that are considerably effective at checking troubling Fighting-types like Hitmonchan, Primeape and Poliwrath are prime considerations for partners, with a myriad of options such as Sableye, Oricorio-G, and Spiritomb. Not only do they fulfill the vital role of spinblocking, but these Pokemon forces lots of switches with their status-spreading utility and options for functioning as win cons. (cm sableye is kinda wack, specify that only the latter two can function as wincons.) Oricorio-G is also notably great for taking on threats like Lurantis that could pressure Omastar. Other options such as Froslass can provide a valuable substitute for Omastar's Spikes and give it leeway to run Toxic Spikes, forming a prominent stacking core.
  • Good catch-all revenge killers such as Kangaskhan and Togedemaru are commonplace on teams that stray towards a constant hazard presence, as they highly appreciate the ability to more reliably pick off threats with their main options, as well as punishing their typical switch-ins like Regirock and Mudsdale with indirect damage.
  • Specially bulky Pokemon such as Hitmonchan or Eelektross offer great utility in being able to pivot into many special attackers that have the means to break through Omastar, with Hitmonchan acting as a good general catch-all that can remove hazards and appreciate the support in allowing it to punish spinblockers more or improve its damage output. Eelektross has a good match up against all of Poliwrath, Silvally-Water, and Lanturn and also appreciates the added hazard damage that allows it to gain more mileage out of the constant switches it forces. (i kind of want to see throh here bc circle throw abuses tf out of hazards and omastar wears down pokemon like mudsdale and gourgeist-xl with its attacks, but your call.)
  • Cleaners and set up sweepers such as Lilligant, Lycanroc, and Combusken all appreciate the multiple hazard layers up to wear down foes into KO range. Lilligant and Combusken in particular also share a good deal of defensive and offensive synergy with Omastar, as Lilligant resists Ground and can threaten the aforementioned Water-types that could be bothersome for Olimar. (i still have to play pikmin one of these days.) Combusken, on the other hand, threatens Grass-types greatly.
[SET]
name: Lead
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric / Icy Wind
item: Focus Sash
ability: Weak Armor
nature: Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========
  • Stealth Rock damages any Pokemon that switches in and punishes hazard removers that can't safely switch in, such as Rotom-F.
  • Spikes is Omastar's secondary hazard option that can stack up multiple times, and, in combination with Stealth Rock, is great for setting the opposing team up for offensive pressure.
  • Scald is useful for consistent damage and its utility in spreading potential burns, which can be great for pressuring Hitmonchan that attempt to come in and remove Omastar's hazards.
  • Ice Beam is a powerful and consistent STAB option that punishes Grass-type switch-ins while deterring Altaria and Silvally-Dragon from attempting to Defog away Omastar's hazards.
  • Hidden Power Electric KOes Swanna, 2HKOs Qwilfish, and deals respectable chip to Poliwrath and Silvally-Water.
  • Icy Wind is a less powerful alternative to Ice Beam that allows it to outspeed certain faster Pokemon after an initial hit to either stack up another hazard or deliver another attack afterwards and can provide reasonable team support by allowing slower wallbreakers to punish the threat in question. (after doing some testing, this doesn't really feel slash worthy at all imo. heck, i think oo might be appropriate, but wait for other qc members' input.)
  • Toxic Spikes can punish certain team compositions heavily by putting bulky and offensive Pokemon on a timer but tends to operate rather poorly with a lead as it is the hazard that is most susceptible of being removed.
Set Details
========
  • Maximum Speed investment with a Timid nature is ideal in ensuring that Omastar is able to get up its hazards as fast as possible against the opposing team, while also outspeeding opposing lead Pokemon such as Aggron.
  • Weak Armor boosts Omastar's Speed after being hit by a contact move, which is useful in allowing for situations in which Omastar can stack up a subsequent layer of hazards before being KOed itself.
  • Focus Sash is the best item choice, as it usually guarantees that Omastar can set an additional layer of hazards if it leads and can allow Omastar to stay in and win the exchange against a Lurantis attempting to threaten it out with its STAB.
Usage Tips
========
  • Given that Omastar's Focus Sash is pivotal in allowing it opportunities to set up both Stealth Rock and Spikes, it should typically come in early-game where it is most likely to be preserved.
  • Against a reliable Defog user that Omastar struggles to take down such as Silvally-Water or Articuno, it should either fish for Scald burns, chip it down with the appropriate coverage option, or simply double out into a check that can appropriately pressure them depending on the situation.
  • Using Weak Armor to Omastar's advantage can be very rewarding in the right circumstances, as it allows Omastar to either set up more entry hazards against an opponent attempting to pick it off, or threaten normally-faster threat with its attacks, which can force switches and add chip damage against the opposing team.
  • Omastar can afford to stay in on powerful attackers and Grass-types more liberally compared to its defensive counterpart and it has the option of either setting up hazards or weakening them for the rest of the team. (don't cross-reference sets and elaborate a bit more on why omastar can be played like this.)
  • Maybe something about preserving Omastar if your team appreciates having an emergency check to Pokemon like Scyther?
Team Options
========
  • This hazard-based variant of Omastar demands offensive teams (teammates) that are capable of keeping up active pressure against the opposing team to overwhelm the opponent's options for hazard removal.
  • Spinblockers such as Oricorio-G, Haunter, and Choice Specs Froslass naturally do this on their own while also having the means of keeping up offensive pressure. (i think you could be a bit less specific about the froslass set, since non-choice sets offer additional utility with taunt, which is especially useful bc you outspeed pretty much every defogger and threaten them in one way or another afterwards. just mentioning froslass and then going on about its benefits in particular would be fine.)
  • Primeape's ability to deter Defog with its ability in Defiant can generate a great deal of pressure and is quite adept at forcing switches and bringing in offensive teammates safely with U-turn.
  • Setup sweepers such as Jynx, Lycanroc, and Lilligant all appreciate their switch-ins being weakened through the use of multiple entry hazards and can create opportunities to set up with potential Speed drops from Icy Wind.
[STRATEGY COMMENTS]
Other Options
=============
  • A Choice Specs set can be adept at taking advantage of its immediate presence and setting surprise kills due to the nature of which Omastar is often responded to, but loses the added ability in setting up and can potentially make Omastar more prone to Water-immune and resistant Pokemon.
  • Omastar's Rock coverage options in Hidden Power Rock and Ancientpower can be situationally useful in threatening Specially Defensive Articuno but doesn't offer coverage that is any way preferred over the main options otherwise.
  • Similarly, Stone Edge with merely 20 Attack EVs on defensive sets can be used as a hazard stacker that can lure and OHKO standard defensive Articuno, giving it utility against stall-oriented match ups. It's limited in utility otherwise and tends to prefer its special movepool for both its utility and for dealing with more relevant metagame threats.
  • Knock Off can cripple some defensive checks like Clefairy and Lanturn while giving it tangible utility in the defensive set for similar reasons, but Omastar prefers the coverage that can provide it a better matchup against its mainstream checks.
  • Toxic is also a decent option for the defensive set, crippling bulky foes and setup sweepers, but it doesn't really capitalize on Omastar's great Special Attack stat and leaves Omastar will less option for punishing Defog users outright.
Checks and Counters
===================

**Water-types**: Pokemon such as Lanturn, Poliwrath, Ludicolo, or Silvally-Water are among the group of which Omastar is forced to commit to a boosted Z-Hyper Beam to be able to break past them, although Assault Vest variants of Lanturn can always survive this and Earth Power after Stealth Rock damage and OHKO with Discharge afterward. Poliwrath and Ludicolo can retaliate similarly with their secondary STAB and use of Vaccuum Wave for priority in Poliwrath’s case, while Silvally-Water can threaten Omastar with Thunderbolt. Pyukumuku unambiguously shrugs off any offensive variant of Omastar with ease thanks to Unaware ignoring its boosts and can stall it out with Toxic.

**Priority**: Given the potential Defense drops that come with it setting up and utilizing Weak Armor, Omastar is susceptible to being revenge killed by strong priority users. This is especially evident in the case of super effective hits from the likes of Gurdurr and Hitmonchan, while also being a reliable source from strong Sucker Punch users such as Absol.

**Faster Pokemon**: If Weak Armor hasn't been activated after it has set up, fast Choice Scarf users such as Pyroar, Primeape, and Togedemaru are fairly solid options for picking off Omastar. If it is not a Timid nature, this also opens Omastar up to be revenge killed by Base 80 Choice Scarf Pokemon like Mesprit and Shiftry.

**Specially Defensive Pokemon**: If Omastar is not running Waterium Z, this opens up for many bulky Pokemon such as Assault Vest Crabominale, Clefairy, Specially Defensive Articuno, and Throh to be able to shrug off any boosted hit and either threaten it with their STAB options or cripple it with Toxic or Thunder Wave in Clefairy's case. Cradily can also avoid being KOed by a boosted Ice Beam if Omastar is not running Life Orb and OHKO in retaliation with Giga Drain, while also being immune to Hydro Pump thanks to Storm Drain.

**Strong Special Attackers**: If Omastar is unboosted, it will lack the speed or power respectively (respectively doesn't work here bc it's more than two examples and the ordering is off.) to threaten Pokemon such as Eelektross, Pyroar, Lilligant as they are either faster or will have the bulk necessary to take a hit and KO in return with their Electric- and Grass-type attacks. Defensive sets are also prone to wallbreakers such as Drampa and Aurorus outspeeding and KOing it with their powerful attacks.

**Jynx**: Jynx is able to uniquely address Omastar thanks to its Dry Skin ability granting it an immunity to its Water STAB, allowing it to shrug off any unboosted and boosted hit with the exception of a Breakneck Blitz or an Earth Power at +2 after Stealth Rock damage. It can retaliate by either threatening it offensively with its STAB and Focus Blast or cripple it with Lovely Kiss, while Choice Scarf sets can outspeed a boosted Omastar and revenge kill.
a fair amount of points i brought up were minor things, but w/e. i'd advise keeping in mind what i said about keeping things simple throughout the analysis bc there were points where what you were trying to say didn't immediately come across (see: ...while also being a reliable source from strong Sucker Punch users like such as Absol). the content is fine overall though, qc 1/3.
 
Last edited:

Darkinium

the mighty nuaguunibi

[OVERVIEW]
  • Omastar’s kit reaches a level of versatility that provides it a great deal of variability both offensively and defensively, whether it is performing the role of a threatening setup sweeper with Shell Smash or a utility hazard setter with access to all of Stealth Rock, Spikes, and Toxic Spikes.
  • Offensively, Omastar’s phenomenal Special Attack stat, optimal coverage options with moves such as Ice Beam and Earth Power, and great utility with Z-moves give it both good immediate presence and options for getting around otherwise checks such as Lanturn, Jynx, and Poliwrath.
  • Its flexibility also lies in its abilities where it can get great mileage out of each of them with the right set, as offensive sets appreciate Weak Armor and Swift Swim aiding its offensive presence and creating great advantageous positions during setting up, while Shell Armor is great for securing its durability defensively. Kinda wanna nitpick the wording around Weak Armor/SS. I feel offensive presence often refers more to a power advantage than one regarding Speed I would instead say the two abilities alleviate its poor speed, making it harder to revenge kill. I'd also say Weak Armor creates more advantageous positions after setup, due to being harder to revenge kill. I don't think the speed boosts would help much in finding opportunities because you're usually being targeted the turn you set up, making the speed boost irrelevant.
  • With a large Defense stat and a solid defensive Water / Rock typing, Omastar is able to find opportunities of setting up Shell Smash or hazards as it can exploit many offensive and defensive Pokemon alike. That same defensive typing and Defense allows it to also function as an effective physical wall capable of checking a variety of threats including Skuntank, Scyther, and Stoutland. Can also set up on many choiced-locked Pokemon.
  • Despite its strong offensive presence, Omastar’s low Speed inhibits its ability to directly threaten naturally faster Pokemon like Mesprit and Pyroar before setting up. This particular flaw also means that even after a boost, it is rather susceptible of being picked up by popular Choice Scarf users such as Togedemaru and Primeape.
  • For all its advantages with its typing, it suffers from a weakness to several common types, notably a severe weakness to Grass-types that leave it pressured by STAB attacks or coverage moves from Pokemon like Lilligant and Pyroar. Additional weaknesses to Fighting-types also adds the issue of being vulnerable to common priority users such as Hitmonchan, Gurdurr, and Poliwrath, while its Electric-weaknesses leaves it vulnerable to being pressured by Pokemon like Lanturn and Manectric. Its low Special Defense not only exacerbates this problem against a lot of these Grass- and Electric-type Pokemon, but also limits Omastar's setup opportunities to very situational circumstances such as Pyroar being locked into Fire Blast.
  • Regardless of these shortcomings, Omastar can provide a valuable addition to many offensive and bulkier teams thanks to its ability to be customized to fit a variety of needs.

[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Hydro Pump
move 3: Ice Beam
move 4: Earth Power / Hyper Beam
item: Waterium Z / Normalium Z / White Herb
ability: Weak Armor / Swift Swim
nature: Modest / Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========

  • Shell Smash gives Omastar the combined function of an extremely powerful offensive threat and potent sweeper, boosting all of its offensive stats by 2 stages each and outspeeding many of the slower Choice Scarf Pokemon like Aurorus and Abomasnow with a Modest nature. Any better examples? Neither should use Modest Scarf. If there are none, that's fine; Omastar isn't really a booster to outspeed Scarfers anyways. With a Timid nature, Omastar can outspeed up to Choice Scarf Mesprit and Kabutops.
  • Hydro Pump is Omastar's primary STAB move of choice, as even unboosted, the sheer power it possesses allows it outright threaten Water-weak or specially frail Pokemon like Aurorus, Regirock, Mudsdale, and Sableye. The boost to its power provided by Hydro Vortex that allows for an extremely powerful nuke that can help it break through numerous specially bulky Pokemon after a Shell Smash boost like?, while also OHKOing Gurdurr and Spiritomb after Stealth Rock damage without a boost.
  • Ice Beam nets a strong coverage option that blasts through Grass- and Dragon-type Pokemon such as Lilligant, Gourgeist, Altaria, and Silvally-Dragon harder than its Water STAB, and can easily break past Swanna after a Shell Smash boost despite its neutrality thanks to its frailty.
  • Earth Power's coverage is optimal in allowing it to safely punch through Lanturn a significant amount. The end there didn't really sound right, remove "a significant amount" imo. After a Shell Smash boost with a Modest nature, Jynx is OHKOed by this move when factoring in Stealth Rock damage.
  • Hyper Beam is meant to be used in combination with Normalium Z which allows for an extremely powerful nuke option against bulky Water-type Pokemon such as Poliwrath and Silvally-Water Abomasnow might be worth squeezing in that would otherwise be able to comfortably Dunno about comfortably, given neither has reliable recovery and are relied on to check other threats as well tank a boosted hit from the rest of its attacks. Meanwhile, its power remains relatively adequate in breaking through certain specially bulky Pokemon such as Eelektross after a boost.
  • Given Omastar's primary role in cleaning through teams, Surf is a more efficient alternative that can be justified as it is also reasonably powerful and does not miss. The loss of power can be rather notable, however, with the setback of also having a weaker Hydro Vortex.
Set Details
========
  • Maximum investment in Special Attack and Speed with a Modest gives it the most power and speed, maximizing its offensive capabilities before and after a Shell Smash. After a Shell Smash, it outspeeds every relevant Choice Scarf user up to Abomasnow. "Up to" Abomasnow honestly isn't encompassing much else since it and Aurorus are the two slowest relevant Scarfers lol. Again, if this is also referring to neutral-natured variants, this point is better off without the mention.
  • Timid nature is an optional alteration to outspeed Timid Choice Scarf Mesprit after a Shell Smash and Jolly Aggron before a boost, but the loss in power does affect certain KO ranges such as Gurdurr with a Hydro Vortex or Eelektross with a boosted Breakneck Blitz.
  • Waterium Z's purpose is that of its strongest nuke option that allows it to optimally break through numerous relevant specially defensive Pokemon such Clefairy, Assault Vest Crabominale, and Specially Defensive Articuno with ease after a Shell Smash boost and has strong initial power in allowing it to OHKO Gurdurr after Stealth Rock damage. It also gets a drastic boost under Rain, giving it utility for those team archetypes.
  • Normalium Z is used to activate Hyper Beam into a one-time use of Breakneck Blitz, allowing it to solidly break through Water-types such as Ludicolo or Poliwrath that would otherwise be able to take any boosted hit with relative ease. It can also OHKO Jynx without the need for Stealth Rock damage at +2, unlike Earth Power.
  • White Herb doesn't give a power boost, but it allows Omastar to negate its defenses after a Shell Smash to better take hits from priority and Choice Scarf users. Examples
  • Life Orb allows for a consistent power boost on all of Omastar's attacks that notably aids it in its ability to more liberally run Surf to clean without missing out on relevant power as much. This comes with being more easily worn down into the range of priority attacks, however.
  • Weak Armor is a prominent option for non-Rain archetypes, as taking a physical hit allows it to boost its Speed by 2 stages with a cost of its Defense being lowered by one stage. This, in combination with a Shell Smash boost, would allow it to outspeed every Choice Scarf user in the tier. In turn, though, making it worse against priority
  • Swift Swim is a predominant option for Rain teams as the doubled Speed it offers under the weather makes Omastar's offensive presence twofold; not only can it clean much more reliably without requiring a Shell Smash boost, but in combination with a boost outruns every Choice Scarf user much like Weak Armor. Further, Swift Swim can also be used as an option for counter play against rain for non-weather teams. Remove the last sentence, Weak Armor is too good in every other scenario.

Usage Tips
========

  • Omastar's presence on the field and how it should play varies depending on circumstances related to the opponent's team composition and its item of choice, particularly among its Z-moves. Waterium Z allows Omastar to have a bit more leeway in breaking down bulky targets early to mid-game, as it offers the highest damage output in any given situation and can be used to completely break past bulky Pokemon such as Clefairy or Throh without the need of prior damage after a Shell Smash boost.
  • Normalium Z often requires naturally bulky targets to be whittled down a fair amount before attempting to threaten the opposing team, and otherwise is meant to be preserved for when certain bulky Water-types or healthy bulky offensive threats such as Eelektross are present for Omastar to break past them.
  • Otherwise, it is often best to avoid attempting a sweep until later on in the game where checks are likely to have gone significantly weakened and/or priority users looking to pick it off have been removed.
  • Weak Armor can be an effective option for boosting its Speed on a timely hit, and thanks to Omastar's high Defense stat, can easily capitalize on it by pivoting into moves such as Fake Out from Kangaskhan or Aerial Ace from Scyther. That said, Omastar should avoid switching in too many times especially when hazards on its field are present, as it's important to stay out of range of super effective or powerful priority attacks such as Hitmonchan's Mach Punch, Poliwrath's Vaccumn Vacuum Wave, and Absol's Sucker Punch.
  • Omastar's main attribute for its use on rain teams stems from its doubled speed and boosts in its main STAB, and with this, Omastar can be used to more liberally threaten opposing teams without requiring to set up. Omastar can also find opportunities to pivot in safely through momentum from staple teammates such as Mesprit and Liepard and apply pressure whenever possible.
  • When should you set up? On forced switches, choice-locked foes, Pokemon who can't threaten much like Scyth, etc.

Team Options
========

  • While Omastar can function self-sufficiently in setting up, it does appreciate members that are able to enhance its ability to supplement its presence. Mesprit is an all-purpose teammate, providing Stealth Rock support, offers great resistances in Fighting and an immunity to Ground, can set up rain, and can use a slow U-turn to bring Omastar in safely or Healing Wish to give it a second chance at sweeping later in the match. I would just cut to the chase with the first sentence and straight up say "Mesp is good with this", especially since the hook is rather vague, and it's not like many, if any other Pokemon can fit even a remotely similar level of support
  • Volbeat and Liepard are other weather setters that can help nab options for Omastar, with Volbeat offering a bulky resistance to Ground- and Fighting-, Liepard offensively threatening Pokemon like Jynx and crippling bulky Pokemon with Knock Off, and both opening up opportunities with U-turn and Encore to bring it in safely and set up. Their Thunder Wave support can also help Omastar outspeed Choice Scarf users like Primeape under the rain. Offensive partners in Rain such as Poliwrath, Kabutops, and Ludicolo are definitely appreciated in adding pressure to opposing bulkier Water-resistant Pokemon, and otherwise specially bulky Pokemon. I'd rather have this point be bumped lower down the list because Omastar is more likely being used on standard Offense/what have you than on Rain. Not that it's a bad pick on Rain, but gotta appeal to the masses
  • Entry hazard support from Pokemon such as Froslass and Weezing are useful or adding damage to sturdy specially defensive or Water-type checks like Poliwrath and Throh. What else do they offer for each other, Fighting-type check, etc.
  • Sticky Web is a useful form of entry hazard support in which Omastar can utilize which can allow Omastar to more easily outpace naturally fast Pokemon and fast revenge killers after a Shell Smash boost. Shuckle and Smeargle can both do this while also offering Stealth Rock support, while tangentially benefiting from the miscellaneous support options provided from all of Encore, Final Gambit, Spore, and Nuzzle, respectively. Omastar also appreciate its natural tendency of being paired with the likes of Zangoose, Oricorio-G, and Kingler on these archetypes, as they help break through specially bulky Pokemon and can check Fighting-types well in Oricorio-G's case. Not sure if I'm too keen on this point, I don't often go "hey, this Pokemon would be good on Webs, lemme slap on a Shuckle", especially considering Webs aren't very good to begin with.
  • Eelektross and Lurantis are good options for breaking down bulky Water-type Pokemon in less specialized offensive playstyles, and can either aid in generating momentum or alleviate pressure on its own side of the field by removing hazards, respectively. I would switch the order of your points. That is, starting with a hook of "checks to Water-type checks", then proceed to list off Eelektross, Lurantis, etc.
  • Accounting for stall archetypes is ideal, as Omastar has major issues breaking through Pyukumuku which inhibits its overall matchup vs those types of teams. Wallbreakers such as Aggron are incredibly adept in breaking holes against many cores with its sheer power alone, while win cons such as Calm Mind Clefairy go a long way towards actively pressuring those teams throughout the course of the matchup. Qwilfish is also a notable mention, for its ability to pressure staples of stall through its use of Spikes, Destiny Bond and Taunt. Omastar also appreciates Qwilfish as a check to Hitmonchan, as the added hazard damage and Rocky Helmet recoil aid it in pushing Hitmonchan to KO range.
  • Physical breakers wear down Clef, Chan, etc., and in return appreciate the removal of Regi, Aggron, and the like
[SET]
name: Defensive Hazard Utility
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Leftovers
ability: Shell Armor
nature: Bold
EVs: 248 HP / 236 Def / 24 SpA

[SET COMMENTS]
Moves
========

  • Stealth Rock is Omastar's bread and butter support option for teams by racking up consistent chip damage to Pokemon that switches in and is especially potent in punishing the Fire-, Ice-, and Flying-type Pokemon in Scyther, Pyroar, and Froslass. It also pressures certain hazard removal Pokemon that are weak to Rock such as Swanna and Altaria with its coverage.
  • Spikes is a great secondary hazard option for adding damage to any grounded Pokemon and can be stacked up 3 times to heavily pressure the opposing team from reliably switching around, and is a prime option for paving the way for offensive partners like Kangaskhan or Eelektross to pressure the opposing team.
  • Scald is Omastar's main form of consistent damage that allows it to adequately pressure Rock-, Ground-, and Fire-type Pokemon like Regirock, Pyroar, and Mudsdale. Omastar can also utilize this move to safely spread potential burns, which can be especially advantageous for crippling switch-ins such as Hitmonchan or Assault Vest Crabominale.
  • Ice Beam is a useful coverage move that can strongly dent Grass-type switch-ins like Lilligant while also deterring potential Defog setters such as Altaria, Silvally-Dragon, and Lurantis, 2HKOing each of these targets after Stealth Rock damage.
  • Hidden Power Electric is an alternative coverage that gives it the option of taking out Swanna outright, which is vital for maintaining hazards in matchups involving the use of it as a Defogger. It also has the added benefit of 2HKOing Qwilfish and dealing a fair chunk to Silvally-Water.
  • Toxic Spikes is a less consistent but strong alternative for crippling many defensive and offensive threats by putting them on a timer and negating Leftovers recovery.
  • Protect can scout against foes that may use super effective moves like Floatzel or Choice-locked Primeape, can cushion against Z-moves from the likes of Kangashan, adds a turn of Leftovers recovery, and can add residual damage from potential Scald burns.
Set Details
========
  • 24 Special Attack EVs serves the purpose of guaranteeing the OHKO on Swanna and 2HKO on Lurantis with the appropriate coverage move.
  • 248 HP EVs maximizes its HP stat to supplement its bulk while giving it a number that reduces the hazard damage Omastar takes.
  • The remaining EVs are dumped into Defensive with a Bold nature to fully augment its physical bulk to allow it to reliably tank repeated hits from physical attackers like Skuntank and Kangaskhan.
  • Leftovers provide Omastar passive recovery for each turn.
  • Shell Armor is Omastar's most applicable ability for this set, as it allows for its efforts in checking physical attackers to not be impeded by an untimely critical hit, and thus perform its job more reliably.
Usage Tips
========
  • Omastar's main role is to find opportunities to pressure the opposing team by racking up multiple hazards, and it should use its defensive attributes and attacking options to pivot into Pokemon that it can comfortably wall and potentially threaten out, such as Regirock, Skuntank, and Gourgeist-XL without a Grass attacking Grass-type, not Grass attacking move.
  • If the opponent has a Defog user, particularly one that is susceptible to its coverage options, Omastar should use them sparingly to surprise them on the switch or after putting them in a position where they are pressured into removing the hazards.
  • Omastar should proactively set the appropriate hazard firsthand depending on the opposing team's composition before other hazards. Against teams where pressuring Pokemon like Oricorio-G, Aurorus, and Scyther is important, it should opt to get up Stealth Rock first, whereas against more grounded teams one would find more consistent pressure from Spikes or Toxic Spikes.
  • After Omastar has set up hazards, Omastar can afford to pressure switch ins such as Hitmonchan and Lurantis with a potential Scald burn or 2HKO with Ice Beam respectively, and in general is great at providing consistent damage with its attacks in general due to its solid Special Attack, even with little investment.
  • This set is more prone to being exploited by strong special attackers such as Exeggutor-Alola and Eelektross throughout the match, so Omastar should opt to pivot out into checks on either a double prediction or after it has set up a layer of hazards on their switch.
Team Options
========

  • Omastar's great hazard stacking utility with this set gives it a strong niche for teams that appreciate a slot for hazard stacking freed up while still performing such roles reliably, and thus sports a solid role on bulky offense or momentum-based teams that appreciate the hazards racking up damage against the opposing team.
  • Ghost-types that are considerably effective at checking troubling Fighting-types like Hitmonchan, Primeape and Poliwrath are prime considerations for partners, with a myriad of options such as Sableye, Oricorio-G, and Spiritomb. Not only do they fulfill the vital role of spinblocking, but these Pokemon forces lots of switches with their status-spreading utility and options for functioning as win cons, respectively. Oricorio-G is also great for taking on threats like Lurantis.
  • Good catch-all revenge killers such as Kangaskhan and Togedemaru are commonplace on teams that stray towards a constant hazard presence, as they highly appreciate the ability to more reliably pick off threats with their main options, as well as punishing their typical switch-ins like Regirock and Mudsdale with indirect damage.
  • Specially bulky Pokemon such as Hitmonchan or Eelektross offer great utility in being able to pivot into many special attackers that have the means to break through Omastar, with Hitmonchan acting as a good general catch-all that can remove hazards without removing Oma's own and appreciate the support in allowing it to punish spinblockers more or improve its damage output. Eelektross has a good match up against all of Poliwrath, Silvally-Water, and Lanturn and also appreciates the added hazard damage that allows it to gain more mileage out of the constant switches it forces. Throh can take advantage of hazards with its Circle Throw, can absorb status, and sponges special attackers like Eelektross and Pyroar.
  • Cleaners and set up sweepers such as Lilligant, Lycanroc, and Combusken all appreciate the multiple hazard layers up to wear down foes into KO range. Lilligant and Combusken in particular also share a good deal of defensive and offensive synergy with Omastar, as Lilligant resists Ground and can threaten the aforementioned Water-types that could be bothersome. Combusken, on the other hand, threatens Grass-types greatly.
  • Defiant mons
[SET]
name: Lead
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Focus Sash
ability: Weak Armor
nature: Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========

  • Stealth Rock damages any Pokemon that switches in and punishes hazard removers that can't safely switch in, such as Rotom-F.
  • Spikes is Omastar's secondary hazard option that can stack up multiple times, and, in combination with Stealth Rock, is great for setting the opposing team up for offensive pressure.
  • Scald is useful for consistent damage and its utility in spreading potential burns, which can be great for pressuring Hitmonchan that attempt to come in and remove Omastar's hazards.
  • Ice Beam is a powerful and consistent STAB option that punishes Grass-type switch-ins while deterring Altaria and Silvally-Dragon from attempting to Defog away Omastar's hazards.
  • Hidden Power Electric KOes Swanna, 2HKOs Qwilfish, and deals respectable chip to Poliwrath and Silvally-Water preventing it from being Defog, Spikes, or Sub bait.
  • Toxic Spikes can punish certain team compositions heavily by putting bulky and offensive Pokemon on a timer but tends to operate rather poorly with a lead as it is the hazard that is most susceptible of being removed.
  • Considering adding Shell Smash here, but I'll wait on the rest of QC
Set Details
========

  • Maximum Speed investment with a Timid nature is ideal in ensuring that Omastar is able to get up its hazards as fast as possible against the opposing team, while also outspeeding opposing lead Pokemon such as Aggron.
  • Weak Armor boosts Omastar's Speed after being hit by a contact move, which is useful in allowing for situations in which Omastar can stack up a subsequent layer of hazards before being KOed itself.
  • Focus Sash is the best item choice, as it usually guarantees that Omastar can set an additional layer of hazards if it leads and can allow Omastar to stay in and win the exchange against a Lurantis attempting to threaten it out with its STAB.
Usage Tips
========

  • Given that Omastar's Focus Sash is pivotal in allowing it opportunities to set up both Stealth Rock and Spikes, it should typically come in early-game where it is most likely to be preserved. Just say t1, bc that's pretty much when it's coming out 99% of the time.
  • Against a reliable Defog user that Omastar struggles to take down such as Silvally-Water or Articuno, it should either fish for Scald burns, chip it down with the appropriate coverage option, or simply double out into a check that can appropriately pressure them depending on the situation.
  • Using Weak Armor to Omastar's advantage can be very rewarding in the right circumstances, as it allows Omastar to either set up more entry hazards against an opponent attempting to pick it off, or threaten normally-faster threat with its attacks, which can force switches and add chip damage against the opposing team.
  • Omastar can afford to stay in on powerful attackers and Grass-types liberally as it has the option of either setting up hazards or weakening them for the rest of the team due to its Focus Sash.
  • If needed, Omastar can stick around to provide an emergency check against Pokemon like Kangaskhan, Scyther or Zangoose, being able to pivot into an attack at least once and outspeed them afterward. Clarify that that last part is because of Weak Armor
Team Options
========

  • This hazard-based variant of Omastar demands offensive teams that are capable of keeping up active pressure against the opposing team to overwhelm the opponent's options for hazard removal.
  • Spinblockers such as Oricorio-G, Haunter, and Froslass naturally do this on their own while also having the means of keeping up offensive pressure with their immediate presence and access to moves like Taunt to preserve hazards and punish recovery.
  • Primeape's ability to deter Defog with its ability in Defiant can generate a great deal of pressure and is quite adept at forcing switches and bringing in offensive teammates safely with U-turn.
  • Setup sweepers such as Jynx, Lycanroc, and Lilligant all appreciate their switch-ins being weakened through the use of multiple entry hazards and can create opportunities to set up with potential Speed drops from Icy Wind. Icy Wind isn't on the main set
  • Stuff like Kanga, Toge, etc. Not setup sweepers, but take advantage of Spikes
[STRATEGY COMMENTS]
Other Options
=============

  • A Choice Specs set can be adept at taking advantage of its immediate presence and setting surprise kills due to the nature of which Omastar is often responded to, but loses the added ability in setting up and can potentially make Omastar more prone to Water-immune and resistant Pokemon.
  • Omastar's Rock coverage options in Hidden Power Rock and Ancientpower not that bc of low PP can be situationally useful in threatening Specially Defensive Articuno but doesn't offer coverage that is any way preferred over the main options otherwise.
  • Similarly, Stone Edge with merely 20 Attack EVs on defensive sets can be used as a hazard stacker that can lure and OHKO standard defensive Articuno, giving it utility against stall-oriented match ups. It's limited in utility otherwise and tends to prefer its special movepool for both its utility and for dealing with more relevant metagame threats.
  • Knock Off can cripple some defensive checks like Clefairy and Lanturn while giving it tangible utility in the defensive set for similar reasons, but Omastar prefers the coverage that can provide it a better matchup against its mainstream checks. Also already chunks/KOs with boosted Z/EP
  • Toxic is also a decent option for the defensive set, crippling bulky foes and setup sweepers, but it doesn't really capitalize on Omastar's great Special Attack stat and leaves Omastar will less option for punishing Defog users outright.
  • Icy Wind is a less powerful alternative to Ice Beam on hazard sets that allows it to outspeed certain faster Pokemon after an initial hit to either stack up another hazard or deliver another attack afterwards and can provide reasonable team support by allowing slower wallbreakers to punish the threat in question. Ice Beam's power is vastly preferred, however.
  • Protect here
Checks and Counters
===================

**Water-types**: Pokemon such as Lanturn, Poliwrath, Ludicolo, or Silvally-Water are among the group of which Omastar is forced to commit to a boosted Z-Hyper Beam to be able to break past them, although Assault Vest variants of Lanturn can always survive this and Earth Power after Stealth Rock damage and OHKO with Discharge afterward. Poliwrath and Ludicolo can retaliate similarly with their secondary STAB and use of Vaccuum Wave for priority in Poliwrath’s case, while Silvally-Water can threaten Omastar with Thunderbolt. Pyukumuku unambiguously shrugs off any offensive variant of Omastar with ease thanks to Unaware ignoring its boosts and can stall it out with Toxic.

**Priority**: Given the potential Defense drops that come with it setting up and utilizing Weak Armor, Omastar is susceptible to being revenge killed by strong priority users. This is especially evident in the case of super effective hits from the likes of Gurdurr and Hitmonchan, while also being a reliable source from strong Sucker Punch users such as Absol. However, if they don't KO it's basically GG unless you have other means of priority to kill Oma with.

**Faster Pokemon**: If Weak Armor hasn't been activated after it has set up, fast Choice Scarf users such as Pyroar, Primeape, and Togedemaru are fairly solid options for picking off Omastar. If it is not a Timid nature, this also opens Omastar up to be revenge killed by Base 80 Choice Scarf Pokemon like Mesprit and Shiftry. Mention pre-boost examples too

**Specially Defensive Pokemon**: If Omastar is not running Waterium Z, this opens up for many bulky Pokemon such as Assault Vest Crabominale, Clefairy, Specially Defensive Articuno, and Throh to be able to shrug off any boosted hit and either threaten it with their STAB options or cripple it with Toxic or Thunder Wave in Clefairy's case. Cradily can also avoid being KOed by a boosted Ice Beam if Omastar is not running Life Orb and OHKO in retaliation with Giga Drain, while also being immune to Hydro Pump thanks to Storm Drain. +2 Hydro/Ice Beam probably chunks most, though, even if not a Hydro Vortex.

**Strong Special Attackers**: If Omastar is unboosted, it will lack the speed or power to threaten Pokemon such as Eelektross, Pyroar, Lilligant as they are either faster or will have the bulk necessary to take a hit and KO in return with their Electric- and Grass-type attacks. Defensive sets are also prone to wallbreakers such as Drampa and Aurorus outspeeding and KOing it with their powerful attacks.

**Jynx**: Jynx is able to uniquely address Omastar thanks to its Dry Skin ability granting it an immunity to its Water STAB, allowing it to shrug off any unboosted and boosted hit with the exception of a Breakneck Blitz or an Earth Power at +2 after Stealth Rock damage. Reword the EP part bc it could be taken as both BNB and EP requiring a boost to KO. It can retaliate by either threatening it offensively with its STAB shaky on this bc the Psychic STAB is usually Psyshock which likely won't KO unless severely chipped and Focus Blast or cripple it with Lovely Kiss, while Choice Scarf sets can outspeed a boosted Omastar and revenge kill.
2/3, write this up :pimp:
 
Last edited:

MZ

And now for something completely different
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[OVERVIEW]

Omastar's kit has great variability both offensively and defensively, whether it’s the role of a threatening setup sweeper with Shell Smash or a utility hazard setter with access to Stealth Rock, Spikes, and Toxic Spikes. Omastar's phenomenal Special Attack stat, coverage options with moves like Ice Beam and Earth Power, and great use of Z-moves give it both immediate presence and ways of dealing with checks such as Lanturn, Jynx, and Poliwrath. Its flexibility also lies in its abilities where it can get great mileage out of them with the right set, as offensive sets appreciate Weak Armor and Swift Swim creating advantageous positions by alleviating its Speed, while Shell Armor is great for securing its durability defensively. With a large Defense stat and a solid Water / Rock typing, Omastar can find opportunities to set up Shell Smash or hazards as it can exploit many offensive and defensive Pokemon alike. That same typing and Defense allows it to also act as an effective physical wall capable of checking a variety of threats including Skuntank, Scyther, and Stoutland. Despite its strong offensive presence, Omastar's low Speed inhibits its ability to threaten faster Pokemon like Mesprit and Pyroar before setting up. This flaw also means that even after a boost, it is susceptible to popular Choice Scarf users such as Togedemaru and Primeape. For all its advantages with its typing, it suffers from weaknesses to several common types, notably a severe weakness to Grass-types that leave it pressured by STAB or coverage moves from Pokemon like Lilligant and Pyroar RIP Pyroar. Its Fighting weakness enables common priority users such as Hitmonchan, Gurdurr, and Poliwrath, while its Electric weakness leaves it vulnerable to Pokemon like Lanturn and Manectric. Its low Special Defense not only worsens this issue against these Grass- and Electric-type Pokemon, but also limits Omastar's setup opportunities to situational circumstances like Pyroar locked into Fire Blast also new example needed. Despite these shortcomings, Omastar is a versatile addition to many offensive and bulkier teams, fitting a variety of needs.

[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Hydro Pump
move 3: Ice Beam
move 4: Earth Power / Hyper Beam
item: Waterium Z / Normalium Z / White Herb
ability: Weak Armor / Swift Swim
nature: Modest / Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========

Shell Smash makes Omastar a potent offensive threat and sweeper, boosting its offensive stats by 2 stages and with a Modest nature, can outspeed Choice Scarf Pokemon like Aurorus and Abomasnow this is very disingenuous, modest oma loses to any scarfer actually meant to function as a revenge killer. saying it beats those 2 gives the wrong impression, they arent that fast or meant to function as scarfers. i mean u might as well say floatzel and alolan persian or somth. either way though, this modest vs timid thing belongs in set details and should get removed from moves. With Timid, Omastar can outspeed up to Choice Scarf Mesprit and Kabutops modest and adamant of them though, it loses to timid/jolly scarf. Hydro Pump is Omastar's primary STAB move of choice, as even unboosted, the sheer power it possesses threatens Water-weak or specially frail Pokemon like Aurorus, Regirock, Mudsdale, and Sableye. Hydro Vortex turns it into an extremely powerful nuke that breaks through specially bulky Pokemon like Cefairy and Articuno after a Shell Smash boost, while also OHKOing Gurdurr and Spiritomb after Stealth Rock damage unboosted. Ice Beam blasts through Grass- and Dragon-type Pokemon such as Lilligant, Gourgeist-XL is needed i think?, Altaria, and Silvally-Dragon harder than its Water STAB, and can break past Swanna after a Shell Smash boost despite its neutrality thanks to its frailty. Earth Power's allows Omastar to hit Lanturn hard, and after a Shell Smash boost with a Modest nature, Jynx is OHKOed when factoring in Stealth Rock damage. Hyper Beam with Normalium Z allows Omastar to break through bulky Water-type Pokemon such as Poliwrath and Silvally-Water that can otherwise tank a boosted hit from the rest of its attacks. Meanwhile, its power remains adequate in breaking through certain bulky Pokemon like Eelektross after a boost. Given Omastar's primary role in cleaning through teams, Surf is an efficient alternative to Hydro Pump as it's also reasonably powerful and does not miss. The loss of power can be notable, however, with the setback of also having a weaker Hydro Vortex.

Set Details
========

Max Special Attack and Speed with a Modest nature outspeeds slower Pokemon like Aurorus and gives Omastar the most amount of power, maximizing its offensive prowess before and after a Shell Smash. After a boost, it outspeeds Choice Scarf Aurorus and Abomasnow again, saying that makes it confusing why modest is run. modest doesnt beat scarfers, it is slower, the draw is power. making it sound like modest still beats any actual scarfers just makes the distinction odd. Timid nature is an alternate option to outspeed Timid Choice Scarf Mesprit and Kabutops after a Shell Smash and Jolly Aggron before a boost, but the loss in power does affect certain KO ranges such as Gurdurr with a Hydro Vortex or Eelektross with a boosted Breakneck Blitz. Waterium Z's is Omastar's strongest nuke option that allows it to break through many relevant specially defensive Pokemon such Clefairy, Assault Vest Crabominale, and Specially Defensive Articuno with ease after a Shell Smash boost and has strong initial power, OHKOing Gurdurr after Stealth Rock damage. It also gets a drastic boost under Rain, giving it utility for those team archetypes. Normalium Z turns Hyper Beam into Breakneck Blitz, allowing it to break through Water-types such as Ludicolo or Poliwrath that can otherwise take boosted hit. It can also OHKO Jynx without the need for Stealth Rock damage at +2, unlike Earth Power. White Herb doesn't add a power boost, but negates Omastar defense drops after a Shell Smash to better take hits from priority and Choice Scarf users like Absol and Swanna. Life Orb provides consistent power boost to Omastar's attacks that lets it more liberally run Surf to clean without missing out on relevant power as much. This comes with being more easily worn down into range of priority attacks, however. Weak Armor is a prominent option for non-Rain archetypes, as taking a physical hit allows it to boost its Speed by 2 stages with a cost of its Defense lowered by one stage. This, with a Shell Smash boost, would allow it to outspeed every Choice Scarf user in the tier. Swift Swim is a predominant option for Rain teams as the doubled Speed it offers under the weather makes Omastar's offensive presence twofold; not only can it clean much more reliably without requiring a Shell Smash boost, but with a boost outruns every Choice Scarf user much like Weak Armor.

Usage Tips
========

Omastar's game plan varies depending on the opponent's team composition and its item of choice, particularly among its Z-moves. Waterium Z gives Omastar more leeway in breaking down bulky targets early to mid-game, as it offers the highest damage output in any given situation and can break past bulky Pokemon such as Clefairy or Throh without the need of prior damage after a Shell Smash boost. Omastar should aim to set up Shell Smash on forced switches, choice-locked foes, and Pokemon that can't really threaten it like Scyther, Weezing, and Type: Null. Against offensive teams, it may be better off to simply fire off powerful unboosted Hydro Pumps or Z-moves which can punish and nab KOes on foes that stay in due to the threat of setting up. Normalium Z often requires whittling down bulky targets a fair amount before attempting to threaten the opposing team and otherwise preserved for when certain bulky Water-types or healthy bulky offensive threats such as Eelektross are present for Omastar to break past them. Otherwise, it is often best to avoid attempting a sweep until later in the game where checks are likely weakened and/or priority users looking to pick it off are removed. Weak Armor can be effective for boosting its Speed on a timely hit, and thanks to Omastar's high Defense stat, can capitalize on it by pivoting into moves such as Fake Out from Kangaskhan or Aerial Ace from Scyther. That said, Omastar should avoid switching in too many times especially when hazards on its field are present, as it's important to stay out of range of super effective or powerful priority attacks such as Hitmonchan's Mach Punch, Poliwrath's Vacuum Wave, and Absol's Sucker Punch. Omastar's use on rain teams stems from its doubled speed and boosts in its main STAB, and with this, Omastar can more liberally threaten opposing teams without requiring setting up. Omastar can also find opportunities to pivot in through momentum from staple teammates such as Mesprit and Liepard and apply pressure whenever possible.

Team Options
========

Omastar appreciates members that supplement its offensive presence. Mesprit provides Stealth Rock support, offers great resistances in Fighting and an immunity to Ground, can set up rain, and can use a slow U-turn to bring Omastar in safely or Healing Wish to give it a second chance at sweeping later in the match. Entry hazard support from Froslass and Weezing are useful or adding damage to sturdy specially defensive or Water-type checks like Poliwrath and Throh. Both Pokemon can switch into Fighting-type moves, and Weezing can switch into Ground- and Grass-type moves as well. They threaten both Hitmonchan and Assault Vest Crabominable with Will-O-Wisp and deter recovery from checks like Clefairy and Cradily with Taunt if they're worn down. Checks to Water-type checks like Eelektross and Lurantis can pressure them and can either generate momentum or ease pressure on its own side of the field by removing hazards. Physical breakers like Stoutland and Choice Band Skuntank wear down Clefairy, Hitmonchan, and Articuno, and in return appreciate Omastar threatening Pokemon like Regirock and Weezing. Accounting for stall archetypes is ideal, as Omastar has issues breaking through Pyukumuku which inhibits its matchup vs those types of teams. Wallbreakers such as Aggron are adept in breaking holes against many cores with its sheer power alone, while win cons such as Calm Mind Clefairy can active pressure those teams throughout the course of the matchup. Qwilfish is also a notable mention, for its ability to pressure staples of stall through its use of Spikes, Destiny Bond and Taunt. Omastar also appreciates Qwilfish as a check to Hitmonchan, as the added hazard damage and Rocky Helmet recoil aid it in pushing Hitmonchan to KO range. Volbeat and Liepard are other weather setters that can help nab options for Omastar, with Volbeat offering a resistance to Ground- and Fighting-, Liepard threatening Pokemon like Jynx and crippling bulky Pokemon with Knock Off, and both opening opportunities with U-turn and Encore to bring it in safely and set up. Thunder Wave support can help Omastar outspeed Choice Scarf users like Primeape under the rain without setting up. Offensive partners in Rain such as Poliwrath, Kabutops, and Ludicolo are definitely appreciated in adding pressure to opposing bulkier Water-resistant Pokemon, and otherwise specially bulky Pokemon. Sticky Web is a useful form of entry hazard support Omastar can use which can allow it to more outpace fast Pokemon and fast revenge killers after a Shell Smash boost. Shuckle and Smeargle can both do this while also offering Stealth Rock support, while benefiting from the miscellaneous support from Encore, Final Gambit, Spore, or Nuzzle. Omastar also appreciates pairing with the likes of Zangoose, Oricorio-G, and Jynx on these archetypes, as they help break through specially bulky Pokemon and can check Fighting-types well in Oricorio-G's case.

[SET]
name: Defensive Hazard Utility
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Leftovers
ability: Shell Armor
nature: Bold
EVs: 248 HP / 236 Def / 24 SpA

[SET COMMENTS]
Moves
========

Stealth Rock is Omastar's bread and butter support move for teams by racking up chip damage to Pokemon that switch in and is potent in punishing the Fire-, Ice-, and Flying-type Pokemon in Scyther, Pyroar replace, and Froslass. It also pressures certain hazard removal Pokemon weak to Rock such as Swanna and Altaria. Spikes is a great secondary hazard option for adding damage to any grounded Pokemon and can stack up 3 times to pressure the opposing team from switching around, and is a prime option for paving the way for offensive partners like Kangaskhan or Eelektross to pressure the opposing team. Scald is Omastar's main form of consistent damage, while also pressuring Rock-, Ground-, and Fire-type Pokemon like Regirock, Pyroar, and Mudsdale. Omastar can also use this move to spread potential burns, which can be especially helpful for crippling switch-ins like Hitmonchan or Assault Vest Crabominale. Ice Beam is a useful coverage move that dents Grass-type switch-ins like Lilligant while also deterring potential Defog setters such as Altaria, Silvally-Dragon, and Lurantis, 2HKOing each target after Stealth Rock damage. Hidden Power Electric gives it the option of taking out Swanna outright, which helps maintain hazards in matchups involving the use of it as a Defogger. It can also 2HKO Qwilfish and deal a fair chunk to Silvally-Water and Poliwrath. Toxic Spikes is a less consistent but strong alternative for crippling many defensive and offensive threats by putting them on a timer and negating Leftovers recovery. Protect can scout against foes that may use super effective moves like Floatzel or Choice-locked Primeape, can cushion against Z-moves from the likes of Kangashan, adds a turn of Leftovers recovery, and adds residual damage from potential Scald burns.

there's an extra line of spacing here
Set Details
========

248 HP EVs maximizes its HP stat to supplement its bulk while giving it a number that reduces the hazard damage Omastar takes. The remaining EVs go into Defense with a Bold nature to fully augment its physical bulk to allow it to reliably tank repeated hits from physical attackers like Skuntank and Kangaskhan. Shell Armor is Omastar's most applicable ability for this set, as it allows for its efforts in checking physical attackers to not be impeded by an untimely critical hit, and thus perform its job more reliably. 24 Special Attack EVs serves the purpose of guaranteeing the OHKO on Swanna and 2HKO on Lurantis with the right coverage move. Leftovers provide Omastar passive recovery for each turn.

Usage Tips
========

Omastar's key role is to pressure the opposing team by racking up hazards, and it should use its defensive attributes and attacking options to pivot into Pokemon that it can wall and threaten out, such as Regirock, Skuntank, and Gourgeist-XL without a Grass-type move. If the opponent has a Defog user, particularly one susceptible to its coverage options, Omastar should use them sparingly to surprise them on the switch or after putting them in a position where they are pressured to removing the hazards. Omastar should set the proper hazard firsthand depending on the opposing team's composition before other hazards. Against teams where pressuring Pokemon like Oricorio-G, Aurorus, and Scyther is important, it should opt to get up Stealth Rock first, while against more grounded teams would find more consistent pressure from Spikes or Toxic Spikes. After hazards are set up, Omastar can afford to pressure switch ins such as Hitmonchan and Lurantis with a potential Scald burn or 2HKO with Ice Beam, and is great at providing consistent damage with its attacks due to its solid Special Attack, even with little investment. This set is more prone to strong special attackers such as Exeggutor-Alola and Eelektross throughout the match, so Omastar should pivot out into checks on either a double prediction or after it has set up a layer of hazards on their switch.

Team Options
========

Omastar's great hazard stacking utility with this set gives it a strong niche for teams that appreciate a slot for hazard stacking freed up while still performing such roles reliably, and thus sports a solid role on bulky offense or momentum-based teams that appreciate the hazards racking up damage against the opposing team. Ghost-types that check troubling Fighting-types like Hitmonchan, Primeape and Poliwrath are prime considerations for partners, with a myriad of options including Sableye, Oricorio-G, and Spiritomb. Not only do they fulfill the vital role of spinblocking, but these Pokemon forces lots of switches with their status-spreading utility and options for functioning as win cons they also spinblock. Oricorio-G is also great for taking on threats like Lurantis. Good catch-all revenge killers such as Kangaskhan and Togedemaru are commonplace on teams that stray towards a constant hazard presence, as they highly appreciate can more reliably pick off threats with their main options, as well as punishing their typical switch-ins like Regirock and Mudsdale with indirect damage. Primeape can also punish Defoggers thanks to Defiant. Specially bulky Pokemon such as Hitmonchan or Eelektross offer great utility in pivoting into many special attackers that have the means to break through Omastar, with Hitmonchan acting as a good general catch-all that can remove hazards while preserving Omastar's and appreciate the support in allowing it to punish spinblockers more or improve its damage output. Eelektross has a good match up against Poliwrath, Silvally-Water, and Lanturn and appreciates the added hazard damage that allows it to gain more mileage out of the constant switches it forces. Throh can take advantage of hazards with its Circle Throw, can absorb status, and sponges special attackers like Eelektross and Pyroar replace and fix the spacing.Cleaners and set up sweepers such as Lilligant, Lycanroc, and Combusken all appreciate the multiple hazard layers up to wear down foes into KO range. Lilligant and Combusken specifically also share a good deal of defensive and offensive synergy with Omastar, as Lilligant resists Ground and can threaten the Water-types that could be bothersome. Combusken, on the other hand, threatens Grass-types.

[SET]
name: Lead
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Focus Sash
ability: Weak Armor
nature: Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========

Stealth Rock damages any Pokemon that switches in and punishes hazard removers that can't safely switch in, such as Rotom-F. Spikes is Omastar's secondary hazard move that can stack up multiple times, and, with Stealth Rock, is great for setting the opposing team up for offensive pressure. Scald is useful for consistent damage and its utility in spreading potential burns, which can be great for pressuring Hitmonchan that try to come in and remove Omastar's hazards. Ice Beam punishes Grass-type switch-ins while deterring Altaria and Silvally-Dragon from trying to Defog away Omastar's hazards. Hidden Power Electric KOes Swanna, 2HKOs Qwilfish, and deals respectable chip to Poliwrath and Silvally-Water preventing it from being Defog, Spikes, or Substitute fodder to these Pokemon. Toxic Spikes can punish certain team compositions heavily by putting bulky and offensive Pokemon on a timer but tends to operate rather poorly with a lead as it is the hazard most susceptible of being removed.

Set Details
========

Maximum Speed investment with a Timid nature is ideal in ensuring that Omastar is able to get up its hazards as fast as possible against the opposing team, while also outspeeding opposing lead Pokemon such as Aggron. Weak Armor boosts Omastar's Speed after being hit by a contact move, which is useful in allowing for situations in which Omastar can stack up a subsequent layer of hazards before being KOed itself. Focus Sash is the best item choice, as it usually guarantees that Omastar can set an additional layer of hazards if it leads and can allow Omastar to stay in and win the exchange against a Lurantis attempting to threaten it out with its STAB.

Usage Tips
========

Given that Omastar's Focus Sash is pivotal in allowing it opportunities to set up both Stealth Rock and Spikes, it should typically come in early-game where it is most likely to be preserved. Against a reliable Defog user that Omastar struggles to take down such as Silvally-Water or Articuno, it should either fish for Scald burns, chip it down with the right coverage option, or simply double out into a check that can appropriately pressure them depending on the situation. Using Weak Armor to Omastar's advantage can be very rewarding in the right circumstances, as it allows Omastar to either set up more entry hazards against an opponent trying to pick it off, or threaten normally-faster threat with its attacks, which can force switches and add chip damage against the opposing team. Omastar can afford to stay in on powerful attackers and Grass-types liberally as it has the option of either setting up hazards or weakening them for the rest of the team due to its Focus Sash. If needed, Omastar can stick around to give an emergency check against Pokemon like Kangaskhan, Scyther or Zangoose, being able to pivot into an attack at least once and outspeed them afterward thanks to Weak Armor.

Team Options
========

This hazard-based variant of Omastar demands offensive teams that can keep up active pressure against the opposing team to overwhelm the opponent's options for hazard removal. Spinblockers such as Oricorio-G, Haunter, and Froslass naturally do this individually while also having the means of keeping up offensive pressure with their immediate presence and access to moves like Taunt to preserve hazards and punish recovery. Primeape's ability to deter Defog with its ability in Defiant can generate a great deal of pressure and is quite adept at forcing switches and bringing in offensive teammates safely with U-turn. Setup sweepers such as Jynx, Lycanroc, and Lilligant all appreciate their switch-ins weakened by multiple entry hazards. Pokemon like Kangaskhan, Togedemaru, and Eelektross are good for taking advantage of Spikes through the switches they can force, the momentum they can generate, and how it makes their job easier in dishing out damage.

[STRATEGY COMMENTS]
Other Options
=============

A Choice Specs set takes advantage of its immediate presence and setting surprise kills due to how Omastar is often responded to, but loses the ability to set up and makes Omastar more prone to Water-immune and resistant Pokemon. Hidden Power Rock can be situationally useful in threatening Specially Defensive Articuno but doesn't offer coverage that would be preferred over the main options otherwise. Similarly, Stone Edge with merely 20 Attack EVs on defensive sets can be used on hazard sets to lure and OHKO standard defensive Articuno, giving it utility against stall-oriented match ups. It's limited in utility otherwise and tends to prefer its special movepool for both its utility and for dealing with more relevant metagame threats. Knock Off can cripple some defensive checks like Clefairy and Lanturn, giving it tangible utility in the defensive set, but Omastar prefers the coverage that can provide it a better matchup against mainstream checks and Defoggers. Toxic is also a decent option for the defensive set, crippling bulky foes and setup sweepers, but it doesn't really capitalize on Omastar's great Special Attack stat and leaves Omastar will less option for punishing Defog users outright. Icy Wind is a less powerful alternative to Ice Beam on hazard sets to slow down certain faster Pokemon after a hit, allowing Omastar to either stack up another hazard or deliver another attack afterward and can provide reasonable team support by allowing slower wallbreakers to punish the threat. Ice Beam's power is vastly preferred, however.

Checks and Counters
===================

**Water-types**: Pokemon such as Lanturn, Poliwrath, Ludicolo, or Silvally-Water are among the group of which Omastar is forced to commit to a boosted Z-Hyper Beam to be able to break past them, although Assault Vest variants of Lanturn can always survive this and Earth Power after Stealth Rock damage and OHKO with Discharge afterward. Poliwrath and Ludicolo can retaliate similarly with their secondary STAB and use of Vaccuum Wave for priority in Poliwrath’s case, while Silvally-Water can threaten Omastar with Thunderbolt. Pyukumuku unambiguously shrugs off any offensive variant of Omastar with ease thanks to Unaware ignoring its boosts and can stall it out with Toxic.

**Priority**: Given the potential Defense drops that come with it setting up and potentially activating Weak Armor, Omastar is susceptible to being revenge killed by strong priority users. This is especially clear in the case of super effective hits from the likes of Gurdurr and Hitmonchan, while also being a reliable source from strong Sucker Punch users such as Absol.

**Faster Pokemon**: If Weak Armor isn’t activated after it has set up, fast Choice Scarf users such as Pyroar replace, Primeape, and Togedemaru are solid options for picking off Omastar. If it is not a Timid nature, this also opens Omastar up to be revenge killed by Base 80 Choice Scarf Pokemon like Mesprit and Shiftry.

**Specially Defensive Pokemon**: If Omastar is not running Waterium Z, this opens up for many bulky Pokemon such as Assault Vest Crabominable, Clefairy, Specially Defensive Articuno, and Throh to be able to shrug off any boosted hit and either threaten it with their STAB options or cripple it with Toxic or Thunder Wave in Clefairy's case. Cradily can also avoid being KOed by a boosted Ice Beam if Omastar is not running Life Orb and OHKO in retaliation with Giga Drain, while also being immune to Hydro Pump thanks to Storm Drain.

**Strong Special Attackers**: If Omastar is unboosted, it will lack the speed or power to threaten Pokemon such as Eelektross, Pyroar replace, Lilligant as they are either faster or will have the bulk necessary to take a hit and KO in return with their Electric- and Grass-type attacks. if the point is to talk about how even strong neutral special attackers can KO omastar, why make 2/3 of the examples pokemon with type advantages? i think the point would be stronger if, for example, eel was floatzel instead Defensive sets are also prone to wallbreakers such as Drampa and Aurorus outspeeding and KOing it with their powerful attacks.

**Jynx**: Jynx can uniquely address Omastar thanks to its Dry Skin ability granting it an immunity to its Water STAB, allowing it to shrug off any unboosted and boosted hit apart from a Breakneck Blitz or a boosted Modest Earth Power at +2 after Stealth Rock damage. It can retaliate by threatening it with Lovely Kiss, outspeeding it if it boosts its Speed with Z-Lovely Kiss and potentially turning it into setup bait for Nasty Plot. If Omastar's defenses are at -1 due to Shell Smash, Jynx can also pick it off with its STABs after significant chip. Choice Scarf sets can outspeed a boosted Omastar and revenge kill.

[CREDITS]
- Written by: [[jklioe, 424692]]
- Quality checked by: [[allstarapology, 400292], [Darkinium, 448296], [username3, userid3]]
- Grammar checked by: [[<username1>, <userid1>], [<username2>, <username2>]]
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Lumari

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is a Site Content Manageris a Top Social Media Contributoris a Member of Senior Staffis a Community Contributoris a Top Contributoris a Top Smogon Media Contributoris an Administrator Alumnus
TFP Leader
this mon is probably decently important



remove add / fix (comments); (AC=add comma; RC=remove comma; SC=semicolon)
GP 1/2
yay
[OVERVIEW]

Omastar's toolkit has great variability variety both offensively and defensively, whether it’s letting it perform the role of a threatening setup sweeper with Shell Smash or of a utility hazard setter with access to Stealth Rock, Spikes, and Toxic Spikes. Omastar's phenomenal Special Attack stat, coverage options with moves like Ice Beam and Earth Power, and great use of Z-Moves give it both immediate presence and ways of dealing with checks such as Lanturn, Jynx, and Poliwrath. Its flexibility also lies in its abilities, (AC) where it can get great mileage out of them with the right set, as offensive sets appreciate Weak Armor and Swift Swim creating advantageous positions by alleviating its Speed, while Shell Armor is great for securing its durability defensively. With a large Defense stat and a solid Water / Rock / Water typing, Omastar can find opportunities to set up Shell Smash or hazards as it can exploit on many offensive and defensive Pokemon alike. That same typing and Defense allows also allow it to also act as an effective physical wall capable of checking a variety of threats including Skuntank, Scyther, and Stoutland. However, despite its strong great offensive presence, Omastar's low Speed inhibits its ability to threaten faster Pokemon like Mesprit and Pyroar before setting up. This flaw also means that even after a boost, it is susceptible to popular Choice Scarf users such as Togedemaru and Primeape. For all its advantages with its typing, it suffers from weaknesses to several common types, notably a severe weakness to Grass-types that leave it pressured by STAB or coverage moves from Pokemon like Lilligant and Floatzel. Its Fighting weakness enables leaves it susceptible to common priority users such as Hitmonchan, Gurdurr, and Poliwrath, while its Electric weakness leaves it vulnerable to Pokemon like Lanturn and Manectric. Its low Special Defense not only worsens this issue against these Grass- and Electric-type Pokemon (RC) but also limits Omastar's setup opportunities to situational circumstances like Choice Specs Froslass locked into Ice Beam. Despite these shortcomings, Omastar is a versatile addition to many offensive and bulkier teams, fitting a variety of needs.

[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Hydro Pump
move 3: Ice Beam
move 4: Earth Power / Hyper Beam
item: Waterium Z / Normalium Z / White Herb
ability: Weak Armor / Swift Swim
nature: Modest / Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========

Shell Smash makes Omastar a potent offensive threat and sweeper, boosting its offensive stats by 2 stages. Hydro Pump is Omastar's primary STAB move of choice, as even unboosted, the sheer power it possesses threatens Water-weak or specially frail Pokemon like Aurorus, Regirock, Mudsdale, and Sableye. Hydro Vortex Waterium Z turns it into an extremely powerful nuke that breaks through specially bulky Pokemon like Cefairy Clefairy and Articuno after a Shell Smash boost (RC) while also OHKOing Gurdurr and Spiritomb after Stealth Rock damage unboosted. Ice Beam blasts through Grass- and Dragon-type Pokemon such as Lilligant, Gourgeist-XL, Altaria, and Silvally-Dragon harder than its Omastar's Water STAB attacks (RC) and can break past Swanna after a Shell Smash boost despite its neutrality thanks to its frailty. Earth Power hits Lanturn hard (RC) and, (AC) after a Shell Smash boost and Stealth Rock damage, (AC) with a Modest nature, OHKOes Jynx is OHKOed when factoring in Stealth Rock damage when Omastar is running a Modest nature. Alternatively, Hyper Beam with Normalium Z allows Omastar to break through bulky Water-type Pokemon such as Poliwrath and Silvally-Water that can otherwise tank a boosted hit from the rest of its attacks. Meanwhile, its (Omastar's? Hyper Beam's? Breakneck Blitz's?) power remains adequate in breaking through certain bulky Pokemon like Eelektross after a boost. Given the fact that Omastar's primary role in is cleaning through teams, Surf is an efficient alternative to Hydro Pump, (AC) as it's also reasonably powerful and does not miss. The loss of power can be notable, however, with the additional setback of also having a weaker Hydro Vortex.

Set Details
========

Maximum Special Attack and Speed investment with a Modest nature gives Omastar the most greatest amount of power, maximizing its offensive prowess before and after a Shell Smash. Timid nature is an alternate option to outspeed positive-natured (AH) Choice Scarf Mesprit and Kabutops after a Shell Smash and Jolly Aggron before a boost, but the loss in power does affect certain KO ranges lose out on certain KOs such as on Gurdurr with a Hydro Vortex or on Eelektross with a boosted Breakneck Blitz. Waterium Z's + Hydro Pump is Omastar's strongest nuke option that allows it to break through many relevant specially defensive Pokemon such Clefairy, Assault Vest Crabominale, and specially defensive Articuno with ease after a Shell Smash boost and also has strong great initial power, OHKOing Gurdurr after Stealth Rock damage. It also gets a drastic boost under rain, giving it Omastar utility for those team archetypes. Normalium Z turns Hyper Beam into Breakneck Blitz, allowing it Omastar to break through Water-types such as Ludicolo or Poliwrath that can otherwise take a boosted hit. It can also OHKO Jynx after a boost without the need for Stealth Rock damage at +2, unlike Earth Power. (ok do you mean that +2 BB OHKOes without SR or do you mean that unboosted BB OHKOes with SR? unboosted BB does 80% minimum apparently, wording suggests former but with that calc latter option makes more sense to point out in my mind) White Herb doesn't add a power boost (RC) but negates Omastar Shell Smash's defense drops after a Shell Smash to let Omastar better take hits from priority and Choice Scarf users like Absol and Swanna. Life Orb provides a consistent power boost to Omastar's attacks that lets it more liberally viably run Surf to clean without missing out on relevant power as much. This comes with being more easily worn down into range of priority attacks, however. Weak Armor is a prominent the preferred ability option for non-rain archetypes, as, after taking a physical hit allows it to boost its Speed by 2 stages with a cost of its Defense lowered by one stage. This, with a Shell Smash boost, taking a physical hit would allow it Omastar to outspeed every Choice Scarf user in the tier. Swift Swim is a predominant option for rain teams, (AC) as the doubled Speed it offers under the weather makes increases Omastar's offensive presence twofold; not only can it clean much more reliably without requiring a Shell Smash boost, but with a boost it also outruns every Choice Scarf user much like Weak Armor.

Usage Tips
========

Omastar's game plan varies depending on the opponent's team composition and its item, particularly its Z-moves Z-Crystal. Waterium Z gives Omastar more leeway in breaking down bulky targets early- (AH) to mid-game, as it offers the highest damage output in any situation and can let Omastar break past bulky Pokemon like Clefairy or Throh without the need of prior damage after a Shell Smash boost. Omastar should aim to set up Shell Smash on forced switches, Choice-locked foes, and Pokemon that can't really threaten it like Scyther, Weezing, and Type: Null. Omastar doesn’t need to set up to threaten Pokemon due to its raw power, STAB, (AC) and coverage, so against offensive teams, it may be better off to simply fire off powerful unboosted Hydro Pumps or Z-Moves and nab KOes KOs on slower foes that stay in due to the threat of setting up. Normalium Z variants often needs whittling down need bulky targets whittled down a fair amount before attempting to threaten the opposing team and should otherwise be preserved for when certain bulky Water-types or healthy bulky offensive threats such as Eelektross are present for Omastar to break past them. Otherwise, it is often best to avoid attempting a sweep until later in the game where checks are likely weakened and/or priority users looking to pick it Omastar off are removed. Weak Armor can be effective for boosting its Omastar's Speed on a timely hit, and thanks to Omastar's high Defense stat, it can capitalize on it by pivoting into moves such as Fake Out from Kangaskhan or and Aerial Ace from Scyther. That said, Omastar should avoid switching in too many times, (AC) especially when hazards on its field are present, as it's important to stay out of range of super effective or powerful priority attacks such as Hitmonchan's Mach Punch, Poliwrath's Vacuum Wave, and Absol's Sucker Punch. Omastar's use niche on rain teams stems from its doubled Speed and boosts in to its main STAB attack, and with this, Omastar can which let it more liberally threaten opposing teams without setting up. Omastar can also find opportunities to pivot in through momentum from staple teammates such as Mesprit and Liepard and apply pressure whenever possible.

Team Options
========

Omastar appreciates members that supplement its offensive presence. Mesprit provides Stealth Rock support, offers great resistances in Fighting and <....> and an immunity to Ground, can set up rain, and can use a slow U-turn to bring Omastar in safely or use Healing Wish to give it a second chance at sweeping later in the match. Entry hazard support from Froslass and Weezing are is useful or adding for racking up damage to on sturdy specially defensive Pokemon or Water-type checks like Poliwrath and Throh. Both Pokemon can also switch into Fighting-type moves, and Weezing can switch into Ground- and Grass-type moves as well. They threaten both Hitmonchan and Assault Vest Crabominable with Will-O-Wisp and deter recovery from checks like Clefairy and Cradily with Taunt if they're worn down. Checks to Water-type checks like Eelektross and Lurantis (are these the Water-type checks or the checks to them? logic suggests former, rest of sentence suggest latter, make sure to mention examples of both the water-type checks and their checks) can pressure them and can either generate momentum or ease pressure on its own side of the field by removing hazards. Physical wallbreakers like Stoutland and Choice Band Skuntank wear down Clefairy, Hitmonchan, and Articuno, and in return they appreciate Omastar threatening Pokemon like Regirock and Weezing. Accounting for stall archetypes is ideal recommended, as Omastar has issues breaking through Pyukumuku which inhibits its matchup vs those types of teams. Wallbreakers such as Aggron are adept in breaking holes against many cores with its their sheer power alone, while win cons bulky sweepers such as Calm Mind Clefairy can active pressure those teams throughout the course of the matchup. Qwilfish is also a notable mention, option for its ability to pressure staples of stall through its use of Spikes, Destiny Bond and Taunt. Omastar also appreciates Qwilfish as a check to checking Hitmonchan, as the added hazard damage and Rocky Helmet recoil aid it in pushing Hitmonchan to KO range. Volbeat and Liepard are other weather setters that can help nab secure setup options for Omastar, with Volbeat offering a resistance to Ground- and Fighting-type moves, Liepard threatening Pokemon like Jynx and crippling bulky Pokemon with Knock Off, and both opening opportunities with U-turn and Encore to bring it Omastar in safely and set up. Thunder Wave support can help Omastar outspeed Choice Scarf users like Primeape under the rain without setting up. Offensive rain partners in Rain such as Poliwrath, Kabutops, and Ludicolo are definitely appreciated in adding pressure to opposing bulkier Water-resistant Pokemon (RC) and otherwise specially bulky Pokemon special walls. Sticky Web is a useful form of entry hazard support Omastar can use which can allow it Omastar to more outpace fast Pokemon and fast revenge killers after a Shell Smash boost. Shuckle and Smeargle can both do provide this while also offering Stealth Rock support, while benefiting and they additionally provide from the miscellaneous support from through Encore, Final Gambit, Spore, or Nuzzle. Omastar also appreciates pairing being paired with the likes of Zangoose, Oricorio-G, and Jynx on these archetypes, as they help break through specially bulky Pokemon and can check Fighting-types well in Oricorio-G's case.

[SET]
name: Defensive Hazard Utility
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Leftovers
ability: Shell Armor
nature: Bold
evs: 248 HP / 236 Def / 24 SpA

[SET COMMENTS]
Moves
========

Stealth Rock is helps Omastar's team bread and butter support move for teams by racking rack up chip damage to Pokemon that switch in and is potent in punishing Pokemon like Scyther and Froslass. It also pressures certain entry hazard removal Pokemon removers weak to Rock such as Swanna and Altaria. Spikes is a great secondary hazard option for adding damage to any grounded Pokemon and can stack up 3 times to pressure the opposing team from switching around, and is a prime option for paving the way for offensive partners like Kangaskhan or Eelektross to pressure the opposing team. Scald is Omastar's main form of consistent damage output, while also pressuring Rock-, Ground-, and Fire-type Pokemon like Regirock, Pyroar, and Mudsdale, and <some Fire-type that's not banned>. Omastar can also use this move to spread potential burns, which can be especially helpful for crippling switch-ins like Hitmonchan or and Assault Vest Crabominable. Ice Beam is a useful coverage move that dents Grass-type switch-ins like Lilligant while also deterring potential Defog setters such as Altaria, Silvally-Dragon, and Lurantis, 2HKOing each target after Stealth Rock damage. Hidden Power Electric gives it Omastar the option of taking out Swanna outright, which helps maintain hazards in matchups involving the use of it as a Defogger against it. It can also 2HKO Qwilfish and deal a fair chunk to Silvally-Water and Poliwrath. Toxic Spikes is a less consistent but strong alternative for crippling many defensive and offensive threats by putting them on a timer and negating Leftovers recovery. Protect can scout against foes that may use super effective moves like Floatzel or and Choice-locked Primeape, can cushion against Z-Moves from the likes of Kangashan, adds racks up another turn of Leftovers recovery, and adds racks up residual damage from potential Scald burns.

Set Details
========

248 HP EVs maximizes its maximize Omastar's HP stat to supplement its bulk while giving it a number that reduces the hazard damage Omastar takes. The remaining EVs go into Defense with a Bold nature to fully augment its physical bulk to allow it to reliably tank repeated hits from physical attackers like Skuntank and Kangaskhan. Shell Armor is Omastar's most applicable useful ability for this set, as it allows for prevents its efforts in checking physical attackers to not be from being impeded by an untimely critical hit, and thus perform its job more reliably. 24 Special Attack EVs serves the purpose of guaranteeing the OHKO on Swanna and 2HKO on Lurantis with the right coverage move. Leftovers provide Omastar passive recovery for each turn.

Usage Tips
========

Omastar's key role is to pressure the opposing team by racking up entry hazards, and it should use its defensive attributes and attacking options to pivot into Pokemon that it can wall and threaten out, such as Regirock, Skuntank, and Gourgeist-XL without a Grass-type move. If the opponent has a Defog user, particularly one susceptible to its coverage options, Omastar should use them sparingly to surprise them on the switch or after putting them in a position where they are pressured to removing the hazards. Omastar should set the proper hazard firsthand depending on the opposing team's composition before other hazards. Against teams where pressuring Pokemon like Oricorio-G, Aurorus, and Scyther is important, it should opt to get up Stealth Rock first, while against more grounded teams would find face more consistent pressure from Spikes or Toxic Spikes. After hazards are set up, Omastar can afford to pressure switch-ins (RH) such as Hitmonchan and Lurantis with a potential Scald burn or 2HKO them with Ice Beam (RC) and is great at providing consistent damage with its attacks due to its solid Special Attack, even with little investment. This set is more prone vulnerable to strong special attackers such as Alolan Exeggutor-Alola and Eelektross throughout the match, so Omastar should pivot out into checks on either a double prediction or after it has set up a layer of hazards on their switch.

Team Options
========

Omastar's great hazard stacking utility with this set gives it a strong niche for teams that appreciate a slot for hazard stacking freed up, (AC) while still performing such roles reliably, and thus sports giving it a solid role on bulky offense or momentum-based teams that appreciate the hazards racking up damage against the opposing team. Ghost-types that check troubling Fighting-types like Hitmonchan, Primeape, (AC) and Poliwrath are prime considerations for partners, with a myriad of options including Sableye, Oricorio-G, and Spiritomb. Not only do they fulfill the vital role of spinblocking, but these Pokemon forces also force lots of switches with their status spreading (RH) utility and late-game sweeping options for functioning as win cons. Oricorio-G is also great for taking on threats like Lurantis. Good catch-all revenge killers such as Kangaskhan and Togedemaru are commonplace on teams that stray strive towards a constant hazard presence keeping hazards up constantly, as they highly appreciate can more reliably pick off threats with their main options (RC) as well as punishing their typical switch-ins like Regirock and Mudsdale with indirect damage. Primeape can also punish Defoggers thanks to Defiant. Specially bulky Pokemon such as Hitmonchan or Eelektross offer great utility in by pivoting into many special attackers that have the means to break through Omastar, with Hitmonchan acting as a good general catch-all that can remove hazards while preserving Omastar's, (AC) and appreciate the support in allowing it to punish spinblockers more or improve its damage output. (not sure what the final part means) Eelektross has a good match up against Poliwrath, Silvally-Water, and Lanturn and appreciates the added hazard damage that allows it to can gain more mileage out of the constant switches it forces through the added hazard damage. Throh can take advantage of hazards with its Circle Throw, can absorb status, and sponges special attackers like attacks from the likes of Eelektross and Lilligant. Cleaners and set up setup sweepers such as Lilligant, Lycanroc, and Combusken all appreciate the multiple hazard layers up of hazards to wear down foes into KO range. Lilligant and Combusken specifically also share a good deal of defensive and offensive synergy with Omastar, as Lilligant resists Ground and can threaten the Water-types that could be bothersome. Combusken, on the other hand, threatens Grass-types.

[SET]
name: Lead
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Focus Sash
ability: Weak Armor
nature: Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========

Stealth Rock damages any Pokemon that switches in and punishes hazard removers that can't safely switch in, such as Rotom-F. Spikes is Omastar's secondary hazard move that can stack up multiple times, and, combined with Stealth Rock (RC) is great for setting the opposing team up for offensive pressure. Scald is useful for consistent damage and its utility in spreading potential burns, which can be great for pressuring Hitmonchan that try to come in and remove Omastar's hazards. Ice Beam punishes Grass-type switch-ins while deterring Altaria and Silvally-Dragon from trying to Defog away Omastar's hazards. Alternatively, Hidden Power Electric KOes Swanna, 2HKOs 2HKOes Qwilfish, and deals respectable chip to Poliwrath and Silvally-Water preventing it from being Defog, Spikes, or Substitute fodder to these Pokemon. Toxic Spikes is an option that can punish certain team compositions heavily by putting bulky and offensive Pokemon on a timer but tends to operate function rather poorly with on a lead set, (AC) as it is the hazard most susceptible of being removed.

Set Details
========

Maximum Speed investment with a Timid nature is ideal in ensuring that Omastar is able to get up its entry hazards as fast as possible against the opposing team (RC) while also outspeeding opposing lead Pokemon such as Aggron. Weak Armor boosts Omastar's Speed after being hit by a contact move, which is useful in allowing for securing situations in which Omastar can stack up a subsequent layer of hazards before being KOed itself. Focus Sash is the best item choice, as it usually guarantees that Omastar can set an additional layer of hazards if it leads and can allow Omastar to stay in and win the exchange one-on-one matchup against a Lurantis attempting to threaten it out with its STAB attacks.

Usage Tips
========

Given that Omastar's Focus Sash is pivotal in allowing granting it opportunities to set up both Stealth Rock and Spikes, it should typically come in early-game, (AC) where when it is most likely to be preserved. Against a reliable Defog user that Omastar struggles to take down such as Silvally-Water or Articuno, it should either fish for Scald burns, chip it down with the right coverage option, or simply double out into a check that can appropriately pressure them depending on the situation. Using Weak Armor to Omastar's advantage can be very rewarding in the right circumstances, as it allows Omastar to either set up more entry hazards against an opponent trying to pick it off (RC) or threaten normally faster (RH) threats with its attacks, which can letting it force switches and add chip damage against the opposing team. Omastar can afford to stay in on powerful attackers and Grass-types liberally, (AC) as it has the option of either setting up hazards or weakening them for the rest of the team due to its Focus Sash. If needed, Omastar can stick around to give an emergency check against Pokemon like Kangaskhan, Scyther, (AC) or and Zangoose, being able to pivot into an attack at least once and outspeed them afterward thanks to Weak Armor.

Team Options
========

This hazard-based variant of Omastar demands offensive teams that can keep up active pressure against the opposing team to overwhelm the opponent's options for hazard removal entry hazard removers. Spinblockers such as Oricorio-G, Haunter, and Froslass naturally do this individually while also having the means of keeping up offensive pressure with their immediate presence and access to moves like Taunt to preserve hazards and punish recovery. Primeape's ability to deter Defog with its ability in Defiant can generate exert a great deal of pressure and is makes it quite adept at forcing switches and bringing to bring in offensive teammates safely with U-turn. Setup sweepers such as Jynx, Lycanroc, and Lilligant all appreciate their switch-ins weakened by multiple entry hazards. Pokemon like Kangaskhan, Togedemaru, and Eelektross are good for taking advantage of Spikes through the switches they can force, the momentum they can generate, and how it makes their job easier in dishing their ability to dish out damage more easily.

[STRATEGY COMMENTS]
Other Options
=============

A Choice Specs set takes advantage of its Omastar's immediate offensive presence and setting lets it secure surprise kills due to how Omastar is often responded to, but it loses the ability to set up and makes Omastar more prone vulnerable to Water-immune and -resistant (AH) Pokemon. Hidden Power Rock can be situationally useful in threatening specially defensive Articuno but doesn't offer coverage that would be preferred over the main options otherwise. Similarly, Stone Edge with merely 20 Attack EVs on defensive sets can be used with merely 20 Attack EVs on defensive entry hazard sets to lure and OHKO standard defensive Articuno, giving it utility against stall-oriented match ups matchups. It's limited in utility otherwise, however, and Omastar tends to prefer its special movepool for both its utility and for dealing with more relevant metagame threats. Knock Off can be used on the defensive set to cripple some defensive checks like Clefairy and Lanturn, giving it tangible utility in the defensive set, but Omastar prefers the coverage that can provide it a better matchup against mainstream checks and Defoggers. Toxic is also a decent option for the defensive set, crippling bulky foes and setup sweepers, but it doesn't really capitalize on Omastar's great Special Attack stat and leaves Omastar will less option with fewer options for punishing Defog users outright directly. Icy Wind is a less powerful alternative to Ice Beam on hazard sets to slow down certain faster Pokemon after a hit, allowing Omastar to either stack up another hazard or deliver another attack afterward and can letting it provide reasonable team support by allowing slower wallbreakers to punish the threat. Ice Beam's power is vastly preferred, however.

Checks and Counters
===================

**Water-types**: Pokemon such as Lanturn, Poliwrath, Ludicolo, or and Silvally-Water are among the group of which Omastar is forced force Omastar to commit to a boosted Z-Hyper Beam-based Breakneck Blitz to be able to break past them, although Assault Vest variants of Lanturn can always survive this and Earth Power after Stealth Rock damage and OHKO with Discharge afterward. Poliwrath and Ludicolo can also retaliate similarly with their secondary STAB attacks and, in Poliwrath's case, use of priority Vacuum Vaccuum Wave for priority in Poliwrath’s case, while Silvally-Water can threaten Omastar with Thunderbolt. Pyukumuku unambiguously shrugs off any offensive variant of Omastar with ease thanks to Unaware ignoring its boosts and can stall it out with Toxic.

**Priority**: Given the potential Defense drops that come with it setting up and potentially activating Weak Armor, Omastar is susceptible to being revenge killed by strong priority users. This is especially clear in the case of super effective hits from the likes of Gurdurr and Hitmonchan (RC) while also being a reliable source from and strong Sucker Punch users such as Absol.

**Faster Pokemon**: If Weak Armor isn’t activated after it has set up, fast Choice Scarf users such as Primeape, Togedemaru, and Manectric are solid options for picking off Omastar. If it Omastar is not running a Timid nature, this it also opens Omastar up is left open to be revenge killed by base 80 Choice Scarf Pokemon like Mesprit and Shiftry.

**Specially Defensive Pokemon**: If Omastar is not running Waterium Z, this opens up for many bulky Pokemon such as Assault Vest Crabominable, Clefairy, specially defensive Articuno, and Throh to be are able to shrug off any boosted hit and either threaten it with their STAB options or cripple it with Toxic or Thunder Wave in Clefairy's case. Cradily can also avoid being KOed by a boosted Ice Beam if Omastar is not running Life Orb and OHKO in retaliation with Giga Drain (RC) while also being and is immune to Hydro Pump thanks to Storm Drain.

**Strong Special Attackers**: If Omastar is unboosted, it will lack the speed or power to threaten Pokemon such as Eelektross, Floatzel, Silvally-Dragon, and Lilligant, (AC) as they either are either faster or will have the bulk necessary to take a hit and KO in return with their strong STAB or Grass-type coverage moves. Defensive sets are also prone vulnerable to wallbreakers such as Drampa and Aurorus outspeeding them and KOing it them with their powerful attacks.

**Jynx**: Jynx can uniquely address Omastar thanks to its Dry Skin ability granting it an immunity to its Water STAB attacs, allowing it to shrug off any unboosted and boosted hit apart from a Breakneck Blitz or a boosted Modest Earth Power at +2 after Stealth Rock damage and a Shell Smash boost. It can retaliate by threatening it with Lovely Kiss, outspeeding it if it boosts its Speed with Z-Lovely Kiss and potentially turning it into setup bait for Nasty Plot. If Omastar's defenses are at -1 due to Shell Smash, Jynx can also pick it off with its STAB attacks after significant chip damage. Choice Scarf sets can outspeed a boosted Omastar and revenge kill it.

[CREDITS]
- Written by: [[jklioe, 424692]]
- Quality checked by: [[allstarapology, 400292], [Darkinium, 448296], [Megazard, 202117]]
- Grammar checked by: [[<username1>, <userid1>], [<username2>, <username2>]]
 
Last edited:

A Cake Wearing A Hat

moist and crusty
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[OVERVIEW]

Omastar's toolkit has great variety both offensively and defensively, letting it perform the role of a threatening setup sweeper with Shell Smash or of a utility entry hazard setter with access to Stealth Rock, Spikes, and Toxic Spikes. Omastar's phenomenal Special Attack stat, coverage options with moves like Ice Beam and Earth Power, and great use of Z-Moves give it both immediate offensive presence and ways of dealing with checks such as Lanturn, Jynx, and Poliwrath. Its flexibility also lies in its abilities, as offensive sets appreciate Weak Armor and Swift Swim creating advantageous positions, (AC) while Shell Armor is great for securing its durability defensively. With a large Defense stat and a solid Rock / Water typing, Omastar can find opportunities to set up Shell Smash or hazards on many offensive and defensive Pokemon alike. That same typing and Defense also allow it to act as an effective physical wall capable of checking a variety of threats including Skuntank, Scyther, and Stoutland. However, despite its great offensive presence, Omastar's low Speed inhibits its ability to threaten faster Pokemon like Mesprit and Pyroar before setting up. This flaw also means that even after a boost, it is susceptible to popular Choice Scarf users such as Togedemaru and Primeape. For all its advantages with its typing, it suffers from weaknesses to several common types, notably a severe weakness to Grass-types that leave Grass, which leaves it pressured by STAB or coverage moves from Pokemon like Lilligant and Floatzel. Its Fighting weakness leaves it susceptible to common priority users such as Hitmonchan, Gurdurr, and Poliwrath, while its Electric weakness leaves it vulnerable to Pokemon like Lanturn and Manectric. Its low Special Defense not only worsens this issue against these Grass- and Electric-type Pokemon but also limits Omastar's setup opportunities to situational circumstances like against Choice Specs Froslass locked into Ice Beam.

[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Hydro Pump
move 3: Ice Beam
move 4: Earth Power / Hyper Beam
item: Waterium Z / Normalium Z / White Herb
ability: Weak Armor / Swift Swim
nature: Modest / Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========

Shell Smash makes Omastar a potent offensive threat and sweeper. Hydro Pump is Omastar's primary STAB move, as even unboosted, the sheer power it possesses threatens Water-weak or specially frail Pokemon like Aurorus, Regirock, Mudsdale, and Sableye. Waterium Z turns it into an extremely powerful nuke that breaks through specially bulky Pokemon like Clefairy and Articuno after a Shell Smash boost while also OHKOing Gurdurr and Spiritomb after Stealth Rock damage unboosted. Ice Beam blasts through Grass- and Dragon-type Pokemon such as Lilligant, Gourgeist-XL, Altaria, and Silvally-Dragon harder than Omastar's Water STAB attacks and can break past Swanna after a Shell Smash boost despite its neutrality. Earth Power hits Lanturn hard and, after a Shell Smash boost and Stealth Rock damage, OHKOes Jynx when Omastar is running a Modest nature. Alternatively, Hyper Beam with Normalium Z allows Omastar to break through bulky Water-type Pokemon such as Poliwrath and Silvally-Water that can otherwise tank a boosted hit from the rest of its attacks. Meanwhile, Breakneck Blitz's power remains adequate in breaking through certain bulky Pokemon like Eelektross after a boost. Given the fact that Omastar's primary role is cleaning through teams, Surf is an efficient alternative to Hydro Pump, as it's also reasonably powerful and does not miss. The loss of power can be notable, however, with the additional setback of also having a weaker Hydro Vortex.

Set Details
========

Maximum Special Attack and Speed investment with a Modest nature gives Omastar the greatest amount of power, maximizing its offensive prowess before and after a Shell Smash. Timid is an alternate option to outspeed positive-natured Choice Scarf Mesprit and Kabutops after a Shell Smash and Jolly Aggron before a boost, but the loss in power does lose out on certain KOs such as on Gurdurr with a Hydro Vortex or on Eelektross with a boosted Breakneck Blitz. Waterium Z + Hydro Pump is Omastar's strongest with Hydro Pump allows Omastar to use Hydro Vortex, a very strong nuke option that allows it to break through many relevant specially defensive Pokemon such Clefairy, Assault Vest Crabominale Crabominable, and specially defensive Articuno after a Shell Smash boost and also has great initial power, OHKOing Gurdurr after Stealth Rock damage. It Hydro Vortex also gets a drastic boost under rain, giving Omastar utility for those team archetypes. Normalium Z turns Hyper Beam into Breakneck Blitz, allowing Omastar to break through Water-types such as Ludicolo or and Poliwrath that can otherwise take a boosted hit. It can also OHKO Jynx unboosted after Stealth Rock damage. White Herb doesn't add a power boost but negates Shell Smash's defense drops to let Omastar better take hits from priority and Choice Scarf users like Absol and Swanna. Life Orb provides a consistent power boost to Omastar's attacks that lets it more viably run Surf to clean without missing out on relevant power as much. This comes with being more easily worn down into range of priority attacks, however. Weak Armor is the preferred ability option for non-rain archetypes, as, after a Shell Smash boost, taking a physical hit would allow Omastar to outspeed every Choice Scarf user in the tier. Swift Swim is a predominant option for rain teams, as the doubled Speed it offers under the weather increases Omastar's offensive presence twofold; not only can it clean much more reliably without requiring a Shell Smash boost, but with a boost it also outruns every Choice Scarf user.

Usage Tips
========

Omastar's game plan varies depending on the opponent's team composition and its item, particularly its Z-Crystal. Waterium Z gives Omastar more leeway in breaking down bulky targets early- to mid-game, as it offers the highest damage output in any situation and can let Omastar break past bulky Pokemon like Clefairy or and Throh without the need of prior damage after a Shell Smash boost. Omastar should aim to set up Shell Smash on forced switches, Choice-locked foes, and Pokemon that can't really threaten it like Scyther, Weezing, and Type: Null. Omastar doesn’t doesn't need to set up to threaten Pokemon due to its raw power, good STAB move, and coverage, so against offensive teams, it may be better to simply fire off a powerful unboosted Hydro Pumps Pump or Z-Moves Z-Move and nab KOs on slower foes that stay in due to the threat of setting up. Normalium Z variants often need bulky targets whittled down a fair amount before attempting to threaten the opposing team and should otherwise be preserved for when certain bulky Water-types or healthy bulky offensive threats such as Eelektross are present for Omastar to break past them. Otherwise, it is often best to avoid attempting a sweep until later in the game where checks are likely weakened and/or (pick one) priority users looking to pick Omastar off are removed. Weak Armor can be effective for boosting Omastar's Speed on a timely hit, and thanks to Omastar's high Defense stat, it can capitalize on it Weak Armor by pivoting into moves such as Fake Out from Kangaskhan and Aerial Ace from Scyther. That said, Omastar should avoid switching in too many times, especially when entry hazards on its side of the field are present, as it's important to stay out of range of super effective or powerful priority attacks such as Hitmonchan's Mach Punch, Poliwrath's Vacuum Wave, and Absol's Sucker Punch. Omastar's niche on rain teams stems from its doubled Speed and boosts to its main STAB attack, which let it more liberally threaten opposing teams without setting up. Omastar can also find opportunities to pivot in through momentum from staple teammates such as Mesprit and Liepard and apply pressure whenever possible.

Team Options
========

Omastar appreciates members that supplement its offensive presence. Mesprit provides Stealth Rock support, offers has a great resistance in Fighting and an immunity to Ground, can set up rain, and can use a slow U-turn to bring Omastar in safely or use Healing Wish to give it a second chance at sweeping later in the match. Entry hazard support from Froslass and Weezing is useful for racking up damage on sturdy specially defensive Pokemon or Water-type checks like Poliwrath and Throh. Both Pokemon can also switch into Fighting-type moves, and Weezing can switch into Ground- and Grass-type moves as well. They threaten both Hitmonchan and Assault Vest Crabominable with Will-O-Wisp and deter recovery from checks like Clefairy and Cradily with Taunt if they're worn down. Checks to Water-type Pokemon like Silvally-Water and Poliwrath include Eelektross and Lurantis, teammates that can also either generate momentum or ease pressure on its their own side of the field by removing hazards. Physical wallbreakers like Stoutland and Choice Band Skuntank wear down Clefairy, Hitmonchan, and Articuno, and in return they appreciate Omastar threatening Pokemon like Regirock and Weezing. Accounting for stall archetypes is recommended, as Omastar has issues breaking through Pyukumuku. Wallbreakers such as Aggron are adept in breaking holes against many cores with their sheer power alone, while bulky sweepers such as Calm Mind Clefairy can active actively pressure those teams throughout the course of the matchup. Qwilfish is also a notable option for its ability to pressure staples of stall through its use of Spikes, Destiny Bond, (AC) and Taunt. Omastar also appreciates Qwilfish checking Hitmonchan, as the added hazard damage and Rocky Helmet recoil aid it in pushing Hitmonchan to KO range. Volbeat and Liepard are other weather setters that can help secure setup options opportunities for Omastar, with Volbeat offering a resistance to Ground- and Fighting-type moves, Liepard threatening Pokemon like Jynx and crippling bulky Pokemon with Knock Off, and both opening opportunities with U-turn and Encore to bring Omastar in safely and set up. Thunder Wave support can help Omastar outspeed Choice Scarf users like Primeape under the rain without setting up. Offensive rain partners such as Poliwrath, Kabutops, and Ludicolo are definitely appreciated in adding pressure to opposing bulkier Water-resistant Pokemon and special walls. Sticky Web can allow Omastar to outpace fast Pokemon and fast revenge killers after a Shell Smash boost. Shuckle and Smeargle can both provide this while also offering Stealth Rock support, and they additionally provide miscellaneous support through Encore, Final Gambit, Spore, or Nuzzle. Omastar also appreciates being paired with the likes of Zangoose, Oricorio-G, and Jynx on these archetypes, as they help break through specially bulky Pokemon and can check Fighting-types well in Oricorio-G's case.

[SET]
name: Defensive Hazard Utility
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Leftovers
ability: Shell Armor
nature: Bold
evs: 248 HP / 236 Def / 24 SpA

[SET COMMENTS]
Moves
========

Stealth Rock helps Omastar's team rack up chip damage and is potent in punishing Pokemon like Scyther and Froslass. It also pressures certain entry hazard removers weak to Rock such as Swanna and Altaria. Spikes is a great secondary hazard option for adding damage to any grounded Pokemon and is a prime option for paving the way for offensive partners like Kangaskhan or and Eelektross to pressure the opposing team. Scald is Omastar's main form of damage output, also pressuring Rock-, Ground-, and Fire-type Pokemon like Regirock, Mudsdale, and Combusken. Omastar can also use this move to spread potential burns, which can be especially helpful for crippling switch-ins like Hitmonchan and Assault Vest Crabominable. Ice Beam dents Grass-type switch-ins like Lilligant while also deterring potential Defog setters such as Altaria, Silvally-Dragon, and Lurantis, 2HKOing each target after Stealth Rock damage. Hidden Power Electric gives Omastar the option of taking out Swanna outright, which helps maintain hazards in matchups against it. It Hidden Power Electric can also 2HKO Qwilfish and deal a fair chunk to Silvally-Water and Poliwrath. Toxic Spikes is a less consistent but strong alternative for crippling many defensive and offensive threats by putting them on a timer and negating Leftovers recovery. Protect can scout against foes that may use super effective moves like Floatzel and Choice-locked Primeape, can cushion against Z-Moves from the likes of Kangashan, racks up another turn of Leftovers recovery, and racks up residual damage from potential Scald burns.

Set Details
========

248 HP EVs maximize Omastar's HP stat to supplement its bulk while giving it a number that reduces the entry hazard damage Omastar takes. The remaining EVs go into Defense with a Bold nature to fully augment its physical bulk to allow it to reliably tank repeated hits from physical attackers like Skuntank and Kangaskhan. Shell Armor is Omastar's most useful ability for this set, as it prevents its efforts in checking physical attackers from being impeded by an untimely critical hit. 24 Special Attack EVs serves serve the purpose of guaranteeing the OHKO on Swanna and the 2HKO on Lurantis with the right coverage move. Leftovers provide Omastar passive recovery for each turn.

Usage Tips
========

Omastar's key role is to pressure the opposing team by racking up entry hazards, and it should use its defensive attributes and attacking options to pivot into Pokemon that it can wall and threaten out, such as Regirock, Skuntank, and Gourgeist-XL without a Grass-type move. If the opponent has a Defog user, particularly one susceptible to its coverage options, Omastar should use them sparingly to surprise them on the switch or after putting them in a position where they are pressured to removing remove the hazards. Omastar should set the proper hazard depending on the opposing team's composition before other hazards. Against teams where pressuring Pokemon like Oricorio-G, Aurorus, and Scyther is important, it should opt to get up Stealth Rock first, while more grounded teams would face more consistent pressure from Spikes or Toxic Spikes. After hazards are set up, Omastar can afford to pressure switch-ins such as Hitmonchan and Lurantis with a potential Scald burn or 2HKO them Lurantis with Ice Beam, (AC) and it is great at providing consistent damage with its attacks due to its solid Special Attack, even with little investment. This set is more vulnerable to strong special attackers such as Alolan Exeggutor and Eelektross throughout the match, so Omastar should pivot out into checks on either a double prediction switch or after it has set up a layer of hazards on their switch.

Team Options
========

Omastar's great hazard stacking utility with this set gives it a strong niche for teams that appreciate a slot for hazard stacking freed up, giving it a solid role on bulky offense or momentum-based teams. Ghost-types that check troubling Fighting-types like Hitmonchan, Primeape, and Poliwrath are prime considerations for partners, with a myriad of options including Sableye, Oricorio-G, and Spiritomb. Not only do they fulfill the vital role of spinblocking, but these Pokemon also force lots of switches with their status spreading status-spreading utility and late-game sweeping options. Oricorio-G is also great for taking on threats like Lurantis. Good catch-all revenge killers such as Kangaskhan and Togedemaru are commonplace on teams that strive towards keeping hazards up constantly, as they can more reliably pick off threats with their main options as well as punish their typical switch-ins like Regirock and Mudsdale with indirect damage. Primeape can also punish Defoggers thanks to Defiant. Specially bulky Pokemon such as Hitmonchan or and Eelektross offer great utility by pivoting into many special attackers that have the means to break through Omastar, with Hitmonchan acting as a good general catch-all specially bulky Pokemon that can remove hazards while preserving Omastar's. Eelektross has a good match up against Poliwrath, Silvally-Water, and Lanturn and can gain more mileage out of the constant switches it forces through the added hazard damage. Throh can take advantage of hazards with its Circle Throw, can absorb status, and sponges special attacks from the likes of Eelektross and Lilligant. Cleaners and setup sweepers such as Lilligant, Lycanroc, and Combusken all appreciate the multiple layers of hazards to wear down foes into KO range. Lilligant and Combusken specifically also share good defensive and offensive synergy with Omastar, as Lilligant resists Ground and can threaten the Water-types that could be bothersome. Combusken, on the other hand, threatens Grass-types.

[SET]
name: Lead
move 1: Stealth Rock
move 2: Spikes
move 3: Scald
move 4: Ice Beam / Hidden Power Electric
item: Focus Sash
ability: Weak Armor
nature: Timid
evs: 4 Def / 252 SpA / 252 Spe

[SET COMMENTS]
Moves
========

Stealth Rock damages any Pokemon that switches in and punishes entry hazard removers that can't safely switch in, such as Rotom-F. Spikes combined with Stealth Rock is great for setting the opposing team up for offensive pressure. Scald is useful for consistent damage and its utility in spreading potential burns, which can be great for pressuring Hitmonchan that try to come in and remove Omastar's hazards. Ice Beam punishes Grass-type switch-ins while deterring Altaria and Silvally-Dragon from trying to Defog away Omastar's hazards. Alternatively, Hidden Power Electric KOes Swanna, 2HKOes Qwilfish, and deals respectable chip damage to Poliwrath and Silvally-Water, (AC) preventing it from being Defog, Spikes, or Substitute fodder to these Pokemon. Toxic Spikes is an option that can punish certain team compositions heavily by putting bulky and offensive Pokemon on a timer but tends to function rather poorly on a lead set, as it is the hazard most susceptible of to being removed.

Set Details
========

Maximum Speed investment with a Timid nature is ideal in ensuring that Omastar is able to get up its entry hazards as fast quickly as possible against the opposing team while also outspeeding opposing lead Pokemon such as Aggron. Weak Armor is useful in securing situations in which Omastar can stack up a subsequent layer of hazards before being KOed itself. Focus Sash is the best item choice, as it usually guarantees that Omastar can set an additional layer of hazards if it leads and can allow Omastar to stay in and win the one-on-one matchup against a Lurantis attempting to threaten it out with its STAB attacks.

Usage Tips
========

Given that Omastar's Focus Sash is pivotal in granting it opportunities to set up both Stealth Rock and Spikes, it should typically come in early-game, when it is most likely to be preserved. Against a reliable Defog user that Omastar struggles to take down such as Silvally-Water or Articuno, it should either fish for Scald burns, chip it down with the right coverage option, or simply double out into a check that can appropriately pressure them depending on the situation. Using Weak Armor to Omastar's advantage can be very rewarding in the right circumstances, as it allows Omastar to either set up more entry hazards against an opponent trying to pick it off or threaten normally faster threats with its attacks, letting it force switches and add chip damage against the opposing team. Omastar can afford to stay in on powerful attackers and Grass-types liberally, as it has the option of either setting up hazards or weakening them for the rest of the team due to its Focus Sash. If needed, Omastar can stick around to give an emergency check against Pokemon like Kangaskhan, Scyther, and Zangoose in an emergency, being able to pivot into an attack at least once and outspeed them afterward thanks to Weak Armor.

Team Options
========

This hazard-based variant of Omastar demands offensive teams that can keep up active pressure against the opposing team to overwhelm the opponent's entry hazard removers. Spinblockers such as Oricorio-G, Haunter, and Froslass naturally do this individually while also having the means of keeping up offensive pressure with their immediate presence and access to moves like Taunt to preserve hazards and punish recovery. Primeape's ability to deter Defog with its ability in Defiant can exert great pressure and makes it quite adept at forcing switches to bring in offensive teammates safely with U-turn. Setup sweepers such as Jynx, Lycanroc, and Lilligant all appreciate their switch-ins weakened by multiple entry hazards. Pokemon like Kangaskhan, Togedemaru, and Eelektross are good for taking advantage of Spikes through the switches they can force, the momentum they can generate, and their ability to dish out damage more easily.

[STRATEGY COMMENTS]
Other Options
=============

A Choice Specs set takes advantage of Omastar's immediate offensive presence and lets it secure surprise kills KOs due to how Omastar is often responded to, but it loses the ability to set up and makes Omastar more vulnerable to Water-immune and -resistant (AH) (keep hyphen remove ah) Pokemon. Hidden Power Rock can be situationally useful in threatening specially defensive Articuno but doesn't offer coverage that would be preferred over the main options otherwise. Similarly, Stone Edge can be used with merely 20 Attack EVs on defensive entry hazard sets to lure and OHKO standard defensive Articuno, giving it utility against stall-oriented matchups. It's limited in utility otherwise, however, and Omastar tends to prefer its special movepool for both its utility and for dealing with more relevant metagame threats. Knock Off can be used on the defensive set to cripple some defensive checks like Clefairy and Lanturn, but Omastar prefers the coverage that can provide it a better matchup against mainstream checks and Defoggers. Toxic is also a decent option for the defensive set, crippling bulky foes and setup sweepers, but it doesn't really capitalize on Omastar's great Special Attack stat and leaves Omastar with fewer options for punishing Defog users directly. Icy Wind is a less powerful alternative to Ice Beam on hazard sets to slow down certain faster Pokemon after a hit, allowing Omastar to either stack up another hazard or deliver another attack and letting it provide reasonable team support by allowing slower wallbreakers to punish the threat. Ice Beam's power is vastly preferred, however.

Checks and Counters
===================

**Water-types**: Pokemon such as Lanturn, Poliwrath, Ludicolo, and Silvally-Water force Omastar to commit to a boosted Hyper Beam-based Breakneck Blitz to be able to break past them, although Assault Vest variants of Lanturn can always survive this and Earth Power after Stealth Rock damage and OHKO with Discharge afterward. Poliwrath and Ludicolo can also retaliate with their secondary STAB attacks and, in Poliwrath's case, priority Vacuum Vaccuum Vacuum Wave, while Silvally-Water can threaten Omastar with Thunderbolt. Pyukumuku shrugs off any offensive variant of Omastar with ease thanks to Unaware ignoring its boosts and can stall it out with Toxic.

**Priority**: Given the potential Defense drops that come with it setting up and potentially activating Weak Armor, Omastar is susceptible to being revenge killed by strong priority users. This is especially clear in the case of super effective hits from the likes of Gurdurr and Hitmonchan and strong Sucker Punch users such as Absol.

**Faster Pokemon**: If Weak Armor isn’t isn't activated after it has set up, fast Choice Scarf users such as Primeape, Togedemaru, and Manectric are solid options for picking off Omastar. If Omastar is not running a Timid nature, it also is left open to be revenge killed by base 80 Choice Scarf Pokemon like Mesprit and Shiftry.

**Specially Defensive Pokemon**: If Omastar is not running Waterium Z, many bulky Pokemon such as Clefairy, Assault Vest Crabominable, Clefairy, specially defensive Articuno, and Throh are able to shrug off any boosted hit and either threaten it with their STAB options or cripple it with Toxic or Thunder Wave in Clefairy's case. Cradily can also avoid being KOed by a boosted Ice Beam if Omastar is not running Life Orb and OHKO in retaliation with Giga Drain and is immune to Hydro Pump thanks to Storm Drain.

**Strong Special Attackers**: If Omastar is unboosted, it will lack the speed or power to threaten Pokemon such as Eelektross, Floatzel, Silvally-Dragon, and Lilligant, as they either are faster or will have the bulk necessary to take a hit and KO in return with their strong STAB or Grass-type coverage moves. Defensive sets are also vulnerable to wallbreakers such as Drampa and Aurorus outspeeding them and KOing them with their powerful attacks.

**Jynx**: Jynx can address Omastar thanks to its Dry Skin ability granting it an immunity to its Water Water-type STAB attacks, allowing it to shrug off any unboosted and boosted hit apart from a Breakneck Blitz or a boosted Modest Earth Power after Stealth Rock damage and a Shell Smash boost. It can retaliate by threatening it with Lovely Kiss, outspeeding it if it boosts its Speed with Z-Lovely Kiss and potentially turning it into setup bait for Nasty Plot. If Omastar's defenses are at -1 due to Shell Smash, Jynx can also pick it off with its STAB attacks after significant chip damage. Choice Scarf sets can outspeed a boosted Omastar and revenge kill it.

[CREDITS]
- Written by: [[jklioe, 424692]]
- Quality checked by: [[allstarapology, 400292], [Darkinium, 448296], [Megazard, 202117]]
- Grammar checked by: [[TheDutchPlumberjack, 232216], [A Cake Wearing A Hat, 388157]]
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