LGPE OU Omastar

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Lilburr

sunshine coastline
is a Tiering Contributor
:ss/omastar:

[OVERVIEW]

Omastar is a threatening setup sweeper thanks to its access to one of the most potent boosting moves in the metagame, Shell Smash. After a boost, the pool of Pokemon that can take a hit from Omastar becomes very small; only bulky Water-types like Poliwrath can hope to take it on reliably. However, even after a boost, Omastar is unfortunately quite slow, so many of the fastest Pokemon in the metagame like Aerodactyl, Mega Alakazam, and Mega Beedrill are capable of outspeeding and revenge killing it. As well as that, its mediocre typing and only decent bulk can make it hard to find setup opportunities in the first place, as many common Pokemon that it would try to use as setup fodder like Rhydon, Sandslash, and Dragonite are all capable of hitting it very hard.

[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Surf / Hydro Pump
move 3: Ice Beam
move 4: Rock Slide / Stealth Rock
item: No Item
nature: Rash

[SET COMMENTS]
Set Information
========

Shell Smash boosts Omastar's Speed and Special Attack to terrifying levels, allowing it to run through a majority of the metagame after a boost. Surf is Omastar's most reliable STAB attack, allowing it to knock out Pokemon like Rhydon and Golem without a boost and reliably take out Nidoqueen and Gengar with one. Hydro Pump can be used instead; after a boost, it is capable of OHKOing Melmetal after Stealth Rock damage, but its accuracy can make it unreliable. Ice Beam allows Omastar to hit many Pokemon that can tank a Surf, like Zapdos, Mega Venusaur, and Exeggutor, for massive damage. Rock Slide gives Omastar a way to reliably deal with Chansey, which would otherwise wall it entirely. Alternatively, Stealth Rock allows Omastar to act as a suicide lead, capable of setting the entry hazard while applying lots of offensive pressure. It's generally outclassed by other setters like Rhydon and Nidoqueen, though, thanks to their superior utility options and ability to deal with Chansey. A Rash nature is chosen because the extra Speed given by a boosting nature is not necessary for Omastar, and it much prefers the power boost to guarantee OHKOs on foes like Melmetal with Hydro Pump.

Usage Tips
========

Omastar is fairly straightforward to use, but it can be difficult to find setup opportunities. Use Pokemon that can't OHKO Omastar like Mega Charizard X, Mega Charizard Y, and Alolan Sandslash as setup fodder. Alternatively, Omastar can attempt to set up on forced switches against the likes of Rhydon and Alolan Exeggutor; this is very risky, though, as they can easily OHKO Omastar with their STAB moves. Omastar can be used early-game to wallbreak for teammates like Dragonite and Mew, paving the way for them to sweep late-game, but it can also sweep on its own if the opposing team has been sufficiently weakened.

Team Options
========

Omastar fits best on dual screens offense; as a result, Electrode is an excellent partner, giving Omastar a much easier time finding opportunities to use Shell Smash. It can also bring Omastar in safely with Explosion. Reflect Zapdos is another good option for a teammate that can also help Omastar in pressuring Poliwrath. It can bring Omastar in safely via U-turn, too. Dragonite can easily sweep teams late-game with an Agility boost after Omastar has wreaked havoc on their bulkiest members like Rhydon and Melmetal for it. Stealth Rock support from the likes of Aerodactyl and Alolan Dugtrio can be useful in helping Omastar to achieve some KOs it would otherwise miss out on, such as the guaranteed OHKO on Calm Zapdos.

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

Omastar doesn't have much else going for it. It can use both Surf and Hydro Pump on the same set, which only sacrifices coverage for Chansey and offers a choice between consistent or higher damage, but it's generally unnecessary and makes it impossible for Omastar to break through Chansey. Waterfall can be used instead of Rock Slide in order to avoid Rock Slide's chance to miss when hitting Chansey, but it is less useful otherwise due to its lower chance to flinch and break through healthy checks.

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

**Bulky Water-types**: Poliwrath is Omastar's best counter and can easily stomach any of Omastar's hits, boosted or not. It can then retaliate with Superpower, OHKOing Omastar after a Defense drop. Mega Gyarados and Vaporeon can also take boosted hits from Omastar and retaliate with their STAB attacks.

**Grass-types**: Mega Venusaur, Exeggutor, Alolan Exeggutor, and Victreebel are all terrifying for Omastar, as their STAB moves easily OHKO it. However, they must all be wary of a boosted Ice Beam, or an unboosted one in Alolan Exeggutor's case.

**Faster Pokemon**: Even after a boost, the fastest Pokemon in the metagame like Mega Alakazam and Mega Aerodactyl are capable of outspeeding and KOing Omastar. They can't switch into it, though, as they will take a lot of damage from any of its attacks.

**Alolan Muk**: Alolan Muk's good special bulk allows it to survive a Hydro Pump after Stealth Rock damage most of the time, letting it check Omastar as long as it's healthy. It can OHKO Omastar with Mega Drain after Omastar uses Shell Smash, too.

**Pikachu-S**: While niche, Pikachu-S is capable of revenge killing a weakened Omastar with Zippy Zap. It also outspeeds Omastar if Omastar is not using a Naive nature, allowing it to OHKO with Thunderbolt.

[CREDITS]
- Written by: [[Lilburr, 481709]]
- Quality checked by: [[McCoolDude, 469684], [Eve, 375272], [Vengeance417, 198446]]
- Grammar checked by: [[The Dutch Plumberjack, 232216], [, ]]
 
Last edited:
:ss/omastar:

[OVERVIEW]

Omastar is a threatening setup sweeper thanks to its access to one of the most potent boosting moves in the metagame, Shell Smash. After a boost, the pool of Pokemon that can take a hit from Omastar becomes very small; only bulky Water-types like Poliwrath can hope to take it on reliably. However, even after a boost, Omastar is unfortunately quite slow, so many of the fastest Pokemon in the metagame like Aerodactyl, Mega Alakazam, and Mega Beedrill are capable of outspeeding and revenge killing it. As well as that, its mediocre typing and only decent bulk can make it hard to find setup opportunities in the first place, as many common Pokemon that it would try to use as setup fodder like Rhydon, Sandslash and Dragonite are all capable of hitting it very hard.

[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Surf / Hydro Pump
move 3: Ice Beam
move 4: Rock Slide
item:
nature: Rash
I like the set! I've used it a fair few times and it's usually very effective. No issues here!

[SET COMMENTS]
Set Information
========

Shell Smash boosts Omastar's Speed and Special Attack to terrifying levels, allowing it to run through a majority of the metagame after a boost. Surf is Omastar's most reliable STAB attack, allowing it to knock out Pokemon like Rhydon and Golem without a boost, and reliably knocking out Nidoqueen and Gengar with one. Hydro Pump can be used instead, OHKOing Melmetal after Stealth Rock, but its accuracy can make it unreliable. Ice Beam allows it to hit many Pokemon that can otherwise tank a Surf, like Zapdos, Mega Venusaur, and Exeggutor, for massive damage. Rock Slide gives Omastar a way to reliably deal with Pokemon like Chansey and Mega Charizard X while also acting as its best option against Starmie. A Rash nature is chosen because the extra Speed given by a boosting nature is not necessary for Omastar, and it much prefers the power boost to guarantee OHKOs on foes like Melmetal with Hydro Pump.
The only relevant target for Rock Slide is Chansey, all other targets (including resists) are hit harder by Surf.

+2 Omastar Surf vs. Mega Charizard X: 144-169 (94.1 - 110.4%) -- 62.5% chance to OHKO (62.5% chance to OHKO after accuracy) (+SpD ZardX popularizedby Eve )
+2 Omastar Rock Slide vs. Mega Charizard X: 104-126 (67.9 - 82.3%) -- guaranteed 2HKO (81.00% chance to 2HKO after accuracy) (72.90% chance to 3HKO after accuracy)

+2 Omastar Surf vs. Starmie: 72-84 (53.3 - 62.2%) -- guaranteed 2HKO (100.00% chance to 2HKO after accuracy) (there may be value in clicking rock slide into surf, but this is for the flinch chance)
+2 Omastar Rock Slide vs. Starmie: 64-76 (47.4 - 56.2%) -- 79.7% chance to 2HKO (64.56% chance to 2HKO after accuracy)

Usage Tips
========

Omastar is fairly straightforward to use, but it can be difficult to find setup opportunities. Use Pokemon that can't OHKO Omastar like Mega Charizard X, Mega Charizard Y, and Alolan Sandslash as setup fodder. Alternatively, Omastar can attempt to set up on forced switches against the likes of Rhydon, Sandslash, and Alolan Exeggutor; this is very risky, though, as they can all easily OHKO Omastar with their STAB moves. Omastar can be used early game to wallbreak for teammates like Dragonite and Mew, paving the way for them to sweep late-game, but it can also sweep teams on its own if the opposing team has been sufficiently weakened.

Team Options
========

Omastar fits best on dual screens offense; as such, Electrode is an excellent partner that can reliably set screens up, giving Omastar a much easier time finding opportunities to use Shell Smash. Reflect Zapdos is another good option for a teammate that can also help Omastar in pressuring Poliwrath. It can bring Omastar in safely via U-turn, too. Dragonite is a great option for a teammate, as it can easily sweep teams late-game with an Agility boost after Omastar has wreaked havoc on their bulkiest members. It appreciates Omastar's ability to threaten Pokemon like Rhydon and Melmetal for it. Stealth Rock support from the likes of Aerodactyl and Alolan Dugtrio can be useful in helping Omastar to achieve some KOs it would otherwise miss out on, such as the guaranteed OHKO on Calm Zapdos.
I'd probably add a bit to the first line about Electrode's ability to explode after using screens and get Omastar in for free, and remove the Sandslash mention here, as Sandslash cannot OHKO Omastar before it uses Shell Smash (Sandslash outspeeds Omastar always, unless Sandslash is -speed and Omastar is +speed, or Sandslash has specifically dropped speed IVs to 26 with a -speed nature)

Sandslash Earthquake vs. Omastar: 96-114 (66.2 - 78.6%) -- guaranteed 2HKO (100.00% chance to 2HKO after accuracy)

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

Omastar doesn't have much else going for it. A Stealth Rock set can be used, and Omastar is decent at setting it up because it's hard to OHKO it and its access to Shell Smash means that it can offensively pressure a lot of Pokemon after setting the hazard up. It's generally outclassed by other Stealth Rock users like Rhydon and Nidoqueen though, thanks to their important utility options.



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

**Grass-types**: Mega Venusaur, Exeggutor, Alolan Exeggutor, and Victreebel are all terrifying for Omastar, as their STAB moves easily OHKO it. However, they must all be wary of a boosted Ice Beam, or an unboosted one in Alolan Exeggutor's case.

**Poliwrath**: Poliwrath can easily stomach any of Omastar's hits, boosted or not. It can retaliate back with Superpower, OHKOing Omastar after a defense drop.

**Faster Pokemon**: Even after a boost, the fastest Pokemon in the metagame like Mega Alakazam and Mega Aerodactyl are capable of outspeeding and KOing Omastar. They can't switch into it though, as they will take a lot of damage from any of its attacks.

**Starter Pikachu**: While niche, Starter Pikachu is capable of revenge killing a weakened Omastar with Zippy Zap. It also outspeeds Omastar if Omastar is not using a Naive nature, allowing it to OHKO with Thunderbolt.

[CREDITS]
- Written by: [[Lilburr, 481709]]
- Quality checked by: [[, ], [, ], [, ]]
- Grammar checked by: [[, ], [, ]]

Here I would move Poliwrath above Grass types, as Poliwrath is an actual counter (it has to come in on Hydro Pump and rocks to not have better odds of winning, or reflect has to remain up), where Grass types can only stop Omastar if they are in before Omastar has set up (with the exception of a +SpD Mega Venusaur).

After those, QC Approved! :blobthumbsup:
 

Eve

goon insane
is a member of the Site Staffis a Forum Moderator Alumnus
Feel free to question any of this as always
:ss/omastar:

[OVERVIEW]

Omastar is a threatening setup sweeper thanks to its access to one of the most potent boosting moves in the metagame, Shell Smash. After a boost, the pool of Pokemon that can take a hit from Omastar becomes very small; only bulky Water-types like Poliwrath can hope to take it on reliably. However, even after a boost, Omastar is unfortunately quite slow, so many of the fastest Pokemon in the metagame like Aerodactyl, Mega Alakazam, and Mega Beedrill are capable of outspeeding and revenge killing it. As well as that, its mediocre typing and only decent bulk can make it hard to find setup opportunities in the first place, as many common Pokemon that it would try to use as setup fodder like Rhydon, Sandslash and Dragonite are all capable of hitting it very hard. yup.

[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Surf / Hydro Pump
move 3: Ice Beam
move 4: Rock Slide / Stealth Rock
item: No Item
nature: Rash

[SET COMMENTS]
Set Information
========

Shell Smash boosts Omastar's Speed and Special Attack to terrifying levels, allowing it to run through a majority of the metagame after a boost. Surf is Omastar's most reliable STAB attack, allowing it to knock out Pokemon like Rhydon and Golem without a boost, and reliably knocking out Nidoqueen and Gengar with one. Hydro Pump can be used instead, OHKOing Melmetal after Stealth Rock may be worth specifying that a boost is required, but its accuracy can make it unreliable. Ice Beam allows it to hit many Pokemon that can otherwise tank a Surf, like Zapdos, Mega Venusaur, and Exeggutor, for massive damage. Rock Slide gives Omastar a way to reliably deal with Chansey, which would otherwise wall it entirely. Stealth Rock lets Omastar act as a suicide lead that can apply offensive pressure thanks to Shell Smash. It's generally less consistent than other Stealth Rock users like Rhydon and Nidoqueen though, thanks to their important utility options and superior defensive presences. (or equiv wording) A Rash nature is chosen because the extra Speed given by a boosting nature is not necessary for Omastar, and it much prefers the power boost to guarantee OHKOs on foes like Melmetal with Hydro Pump.

Usage Tips
========

Omastar is fairly straightforward to use, but it can be difficult to find setup opportunities. Use Pokemon that can't OHKO Omastar like Mega Charizard X, Mega Charizard Y, and Alolan Sandslash as setup fodder. Alternatively, Omastar can attempt to set up on forced switches against the likes of Rhydon and Alolan Exeggutor; this is very risky, though, as they can all easily OHKO Omastar with their STAB moves. Omastar can be used early game to wallbreak for teammates like Dragonite and Mew, paving the way for them to sweep late-game, but it can also sweep teams on its own if the opposing team has been sufficiently weakened. yep I like this

Team Options
========

Omastar fits best on dual screens offense; as such, Electrode is an excellent partner that can reliably set screens up, giving Omastar a much easier time finding opportunities to use Shell Smash. It can also bring Omastar in safely with Explosion. Reflect Zapdos is another good option for a teammate that can also help Omastar in pressuring Poliwrath. It can bring Omastar in safely via U-turn, too. Dragonite is a great option for a teammate, as it can easily sweep teams late-game with an Agility boost after Omastar has wreaked havoc on their bulkiest members. It appreciates Omastar's ability to threaten Pokemon like Rhydon and Melmetal for it. Stealth Rock support from the likes of Aerodactyl and Alolan Dugtrio can be useful in helping Omastar to achieve some KOs it would otherwise miss out on, such as the guaranteed OHKO on Calm Zapdos. I like this too

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

Omastar doesn't have much else going for it. A Stealth Rock set can be used, and Omastar is decent at setting it up because it's hard to OHKO it and its access to Shell Smash means that it can offensively pressure a lot of Pokemon after setting the hazard up. It's generally outclassed by other Stealth Rock users like Rhydon and Nidoqueen though, thanks to their important utility options. Omastar can use both Surf and Hydro Pump on the same set, which only sacrifices coverage for Chansey and offers a choice between consistent or higher damage, but this usually proves redundant. Waterfall can be used instead of Rock Slide in order to avoid Rock Slide's chance to miss when hitting Chansey, but is less useful otherwise due to its lower chance to flinch and break through healthy checks. (or equiv wording)

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

**Poliwrath**: Poliwrath can easily stomach any of Omastar's hits, boosted or not. It can retaliate back with Superpower, OHKOing Omastar after a defense drop. change this to bulky Water-types- mega gyarados and vaporeon both do pretty good jobs too! still put poliwrath first though

**Grass-types**: Mega Venusaur, Exeggutor, Alolan Exeggutor, and Victreebel are all terrifying for Omastar, as their STAB moves easily OHKO it. However, they must all be wary of a boosted Ice Beam, or an unboosted one in Alolan Exeggutor's case.

**Faster Pokemon**: Even after a boost, the fastest Pokemon in the metagame like Mega Alakazam and Mega Aerodactyl are capable of outspeeding and KOing Omastar. They can't switch into it though, as they will take a lot of damage from any of its attacks.

**Starter Pikachu**: While niche, Starter Pikachu is capable of revenge killing a weakened Omastar with Zippy Zap. It also outspeeds Omastar if Omastar is not using a Naive nature, allowing it to OHKO with Thunderbolt.

[CREDITS]
- Written by: [[Lilburr, 481709]]
- Quality checked by: [[McCoolDude, 469684], [, ], [, ]]
- Grammar checked by: [[, ], [, ]]
2/3! :blobuwu:
 
I'd throw in Alolan Muk as a check. It has a very good chance to survive a +2 Hydro Pump after Stealth Rock (25% chance to OHKO) and is never OHKOd from a boosted Surf. After Shell Smash's SpDef drop, Alolan Muk's Mega Drain is a guaranteed OHKO vs Omastar.

Other than that, nice work! 3/3! :swole:
 

The Dutch Plumberjack

ace of wands
is a member of the Site Staffis a Top Smogon Social Media Contributoris a Top Contributoris a Top Smogon Media Contributoris an Administrator
C&C & TFP Leader
remove add / fix (comments); (AC=add comma; RC=remove comma; SC=semicolon)
GP 1/2
[OVERVIEW]

Omastar is a threatening setup sweeper thanks to its access to one of the most potent boosting moves in the metagame, Shell Smash. After a boost, the pool of Pokemon that can take a hit from Omastar becomes very small; only bulky Water-types like Poliwrath can hope to take it on reliably. However, even after a boost, Omastar is unfortunately quite slow, so many of the fastest Pokemon in the metagame like Aerodactyl, Mega Alakazam, and Mega Beedrill are capable of outspeeding and revenge killing it. As well as that, its mediocre typing and only decent bulk can make it hard to find setup opportunities in the first place, as many common Pokemon that it would try to use as setup fodder like Rhydon, Sandslash, (AC) and Dragonite are all capable of hitting it very hard.

[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Surf / Hydro Pump
move 3: Ice Beam
move 4: Rock Slide / Stealth Rock
item: No Item
nature: Rash

[SET COMMENTS]
Set Information
========

Shell Smash boosts Omastar's Speed and Special Attack to terrifying levels, allowing it to run through a majority of the metagame after a boost. Surf is Omastar's most reliable STAB attack, allowing it to knock out Pokemon like Rhydon and Golem without a boost (RC) and reliably knocking take (repetition, structure consistency) out Nidoqueen and Gengar with one. Hydro Pump can be used instead; after a boost, it is capable of OHKOing Melmetal after Stealth Rock damage, but its accuracy can make it unreliable. Ice Beam allows Omastar to hit many Pokemon that can otherwise tank a Surf, like Zapdos, Mega Venusaur, and Exeggutor, for massive damage. Rock Slide gives Omastar a way to reliably deal with Chansey, which would otherwise wall it entirely. Alternatively, Stealth Rock allows Omastar to act as a suicide lead, capable of setting the entry hazard while applying lots of offensive pressure. It's generally outclassed by other setters like Rhydon and Nidoqueen, though, thanks to their superior utility options, and Omastar doesn't appreciate being walled by ("and ability to deal with Chansey" for wording consistency w/ "superior utility options" if that's accurate and you want, not needed per se though) Chansey. A Rash nature is chosen because the extra Speed given by a boosting nature is not necessary for Omastar, and it much prefers the power boost to guarantee OHKOs on foes like Melmetal with Hydro Pump.

Usage Tips
========

Omastar is fairly straightforward to use, but it can be difficult to find setup opportunities. Use Pokemon that can't OHKO Omastar like Mega Charizard X, Mega Charizard Y, and Alolan Sandslash as setup fodder. Alternatively, Omastar can attempt to set up on forced switches against the likes of Rhydon and Alolan Exeggutor; this is very risky, though, as they can easily OHKO Omastar with their STAB moves. Omastar can be used early-game (AH) to wallbreak for teammates like Dragonite and Mew, paving the way for them to sweep late-game, but it can also sweep on its own if the opposing team has been sufficiently weakened.

Team Options
========

Omastar fits best on dual screens offense; as such a result, Electrode is an excellent partner that can reliably set screens up, giving Omastar a much easier time finding opportunities to use Shell Smash. It can also bring Omastar in safely with Explosion. Reflect Zapdos is another good option for a teammate that can also help Omastar in pressuring Poliwrath. It can bring Omastar in safely via U-turn, too. Dragonite is a great option for a teammate, as it (repetitiveness) can easily sweep teams late-game with an Agility boost after Omastar has wreaked havoc on their bulkiest members. It appreciates Omastar's ability to threaten Pokemon (flow + redundancy afaict?) like Rhydon and Melmetal for it. Stealth Rock support from the likes of Aerodactyl and Alolan Dugtrio can be useful in helping Omastar to achieve some KOs it would otherwise miss out on, such as the guaranteed OHKO on Calm Zapdos.

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

Omastar doesn't have much else going for it. It can use both Surf and Hydro Pump on the same set, which only sacrifices coverage for Chansey and offers a choice between consistent or higher damage, but it's generally unnecessary and makes it impossible for Omastar to break through Chansey. Waterfall can be used instead of Rock Slide in order to avoid Rock Slide's chance to miss when hitting Chansey, but it is less useful otherwise due to its lower chance to flinch and break through healthy checks.

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

**Bulky Water-types**: Poliwrath is Omastar's best counter and can easily stomach any of Omastar's hits, boosted or not. It can retaliate back with Superpower, OHKOing Omastar after a Defense drop. Mega Gyarados and Vaporeon can also take boosted hits from Omastar and retaliate back with their STAB attacks.

**Grass-types**: Mega Venusaur, Exeggutor, Alolan Exeggutor, and Victreebel are all terrifying for Omastar, as their STAB moves easily OHKO it. However, they must all be wary of a boosted Ice Beam, or an unboosted one in Alolan Exeggutor's case.

**Faster Pokemon**: Even after a boost, the fastest Pokemon in the metagame like Mega Alakazam and Mega Aerodactyl are capable of outspeeding and KOing Omastar. They can't switch into it, (AC) though, as they will take a lot of damage from any of its attacks.

**Alolan Muk**: Alolan Muk's good special bulk allows it to survive a Hydro Pump after Stealth Rock damage most of the time, letting it check Omastar as long as it's healthy. It can OHKO Omastar with Mega Drain after Omastar uses Shell Smash, too.

**Starter Pikachu-S**: While niche, Starter Pikachu-S is capable of revenge killing a weakened Omastar with Zippy Zap. It also outspeeds Omastar if Omastar is not using a Naive nature, allowing it to OHKO with Thunderbolt.

[CREDITS]
- Written by: [[Lilburr, 481709]]
- Quality checked by: [[McCoolDude, 469684], [Eve, 375272], [Vengeance417, 198446]]
- Grammar checked by: [[, ], [, ]]
 

Estronic

give me a corpse
is a Smogon Social Media Contributoris a Contributor to Smogonis a Smogon Media Contributor
add remove (comments)
[OVERVIEW]
Omastar is a threatening setup sweeper thanks to its access to one of the most potent boosting moves in the metagame, Shell Smash. After a boost, the pool of Pokemon that can take a hit from Omastar becomes very small; only bulky Water-types like Poliwrath can hope to take it on reliably. However, even after a boost, Omastar is unfortunately quite slow, so many of the fastest Pokemon in the metagame like Aerodactyl, Mega Alakazam, and Mega Beedrill are capable of outspeeding and revenge killing it. As well as that, its mediocre typing and only decent bulk can make it hard to find setup opportunities in the first place, as many common Pokemon that it would try to use as setup fodder like Rhydon, Sandslash, and Dragonite are all capable of hitting it very hard.

[SET]
name: Shell Smash
move 1: Shell Smash
move 2: Surf / Hydro Pump
move 3: Ice Beam
move 4: Rock Slide / Stealth Rock
item: No Item
nature: Rash

[SET COMMENTS]
Set Information
========

Shell Smash boosts Omastar's Speed and Special Attack to terrifying levels, allowing it to run through a majority of the metagame after a boost. Surf is Omastar's most reliable STAB attack, allowing it to knock out Pokemon like Rhydon and Golem without a boost, (RC) and reliably take out Nidoqueen and Gengar with one. Hydro Pump can be used instead; after a boost, it is capable of OHKOing Melmetal after Stealth Rock damage, but its accuracy can make it unreliable. Ice Beam allows Omastar to hit many Pokemon that can tank a Surf, like Zapdos, Mega Venusaur, and Exeggutor, for massive damage. Rock Slide gives Omastar a way to reliably deal with Chansey, which would otherwise wall it entirely. Alternatively, Stealth Rock allows Omastar to act as a suicide lead, capable of setting the entry hazard while applying lots of offensive pressure. It's generally outclassed by other setters like Rhydon and Nidoqueen, though, thanks to their superior utility options and ability to deal with Chansey. A Rash nature is chosen because the extra Speed given by a boosting nature is not necessary for Omastar, and it much prefers the power boost to guarantee OHKOs on foes like Melmetal with Hydro Pump.

Usage Tips
========

Omastar is fairly straightforward to use, but it can be difficult to find setup opportunities. Use Pokemon that can't OHKO Omastar like Mega Charizard X, Mega Charizard Y, and Alolan Sandslash as setup fodder. Alternatively, Omastar can attempt to set up on forced switches against the likes of Rhydon and Alolan Exeggutor; this is very risky, though, as they can easily OHKO Omastar with their STAB moves. Omastar can be used early-game (AH) to wallbreak for teammates like Dragonite and Mew, paving the way for them to sweep late-game, but it can also sweep on its own if the opposing team has been sufficiently weakened.

Team Options
========

Omastar fits best on dual screens offense; as a result, Electrode is an excellent partner, giving Omastar a much easier time finding opportunities to use Shell Smash. It can also bring Omastar in safely with Explosion. Reflect Zapdos is another good option for a teammate that can also help Omastar in pressuring Poliwrath. It can bring Omastar in safely via U-turn, too. Dragonite can easily sweep teams late-game with an Agility boost after Omastar has wreaked havoc on their bulkiest members like Rhydon and Melmetal for it. Stealth Rock support from the likes of Aerodactyl and Alolan Dugtrio can be useful in helping Omastar to achieve some KOs it would otherwise miss out on, such as the guaranteed OHKO on Calm Zapdos.

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

Omastar doesn't have much else going for it. It can use both Surf and Hydro Pump on the same set, which only sacrifices coverage for Chansey and offers a choice between consistent or higher damage, but it's generally unnecessary and makes it impossible for Omastar to break through Chansey. Waterfall can be used instead of Rock Slide in order to avoid Rock Slide's chance to miss when hitting Chansey, but it is less useful otherwise due to its lower chance to flinch and break through healthy checks.

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

**Bulky Water-types**: Poliwrath is Omastar's best counter and can easily stomach any of Omastar's hits, boosted or not. It can then (optional) retaliate with Superpower, OHKOing Omastar after a Defense drop. Mega Gyarados and Vaporeon can also take boosted hits from Omastar and retaliate with their STAB attacks.

**Grass-types**: Mega Venusaur, Exeggutor, Alolan Exeggutor, and Victreebel are all terrifying for Omastar, as their STAB moves easily OHKO it. However, they must all be wary of a boosted Ice Beam, or an unboosted one in Alolan Exeggutor's case.

**Faster Pokemon**: Even after a boost, the fastest Pokemon in the metagame like Mega Alakazam and Mega Aerodactyl are capable of outspeeding and KOing Omastar. They can't switch into it, though, as they will take a lot of damage from any of its attacks.

**Alolan Muk**: Alolan Muk's good special bulk allows it to survive a Hydro Pump after Stealth Rock damage most of the time, letting it check Omastar as long as it's healthy. It can OHKO Omastar with Mega Drain after Omastar uses Shell Smash, too.

**Pikachu-S**: While niche, Pikachu-S is capable of revenge killing a weakened Omastar with Zippy Zap. It also outspeeds Omastar if Omastar is not using a Naive nature, allowing it to OHKO with Thunderbolt.

[CREDITS]
- Written by: [[Lilburr, 481709]]
- Quality checked by: [[McCoolDude, 469684], [Eve, 375272], [Vengeance417, 198446]]
- Grammar checked by: [[The Dutch Plumberjack, 232216], [, ]]
2/2 nice job :blobthumbsup:
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