Overview
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Sneasel is one of the best offensive Pokemon in NU thanks to its high base 115 Speed, allowing it to outrun almost the entire unboosted metagame, (RC) and including, (AC) most importantly, Archeops. (is Archeops unboosted? if so, it's probably better as "almost the entire unboosted metagame, including, most importantly, Archeops." if it boosts, then use "almost the entire unboosted metagame and, most importantly, Archeops.") Sneasel also has a decent Attack stat, which, combined with its Speed, makes it a solid late-game cleaner. Access to STAB Knock Off and STAB priority give gives Sneasel plenty of powerful utility, allowing it to remove opposing items and pick off a weakened, faster (either way is fine) Pokemon. However, Sneasel is fairly frail, so it finds it difficult to switch in and set up against opposing (eh, not super necessary. "switch in and set up against offensive pressure" does sound kinda weird to me though. like, you set up against Pokemon or teams, but not really against pressure) offensive pressure without an Eviolite. Sneasel is also susceptible to all entry hazards, so it needs a lot of support to enter the battlefield and sweep. However, with the right support, Sneasel is an offensive powerhouse capable of sweeping entire teams.
Swords Dance
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name: Swords Dance
move 1: Swords Dance
move 2: Knock Off
move 3: Ice Shard
move 4: Icicle Crash / Low Kick
ability: Inner Focus
item: Eviolite
evs: 252 Atk / 4 SpD / 252 Spe
nature: Jolly
Moves
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Swords Dance boosts Sneasel's Attack to strong immense levels, allowing it to function as a sweeper. Knock Off is a reliable STAB move that removes the opponent's foe's (opponent=battler, foe=Pokemon) item, (RC) and is Sneasel's main STAB move due to its high power and perfect accuracy. The move fares very well against the Psychic-types of NU, (comma) such as Xatu and Mesprit. Ice Shard is a STAB priority attack that nails faster opponents foes such as Swellow, +1 Lilligant, and Choice Scarf Rotom-S. Icicle Crash can be used for a more powerful Ice-type STAB move against Archeops, Cacturne, Vileplume, and +0 (maybe "unboosted"?) Lilligant before she sets up. If you dislike the chance to miss, Ice Punch can be used, but the drop in power is noticeable. Alternatively, Low Kick nails Steel-types, Normal-types, and, (AC) most importantly, (AC) Hariyama, which resists Sneasel's STAB moves thanks to Thick Fat.
Set Details
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Full investment in Speed and Attack maximize maximizes Sneasel's potential to sweep. Eviolite provides it with just enough bulk to set up against less powerful weaker foes. Life Orb can be used to boost Sneasel's offensive presence, but the item wears Sneasel down quickly and makes it tougher to set up a Swords Dance. Inner Focus prevents Sneasel from flinching due to Fake Out from the likes of Hariyama and Kangaskhan.
Usage Tips
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Try to set up on a Pokemon that Sneasel can force out, preferably a Psychic-type or a defensive Pokemon, as since (keep "as". we only use "since" to refer to time. ex: I haven't had cheesecake since January) Sneasel can only afford to take one hit as it sets up a Swords Dance. Even though most Psychic-types run Signal Beam, Eviolite allows Sneasel to survive a single Signal Beam and set up a Swords Dance. If Sneasel cannot force its foe out, it only can set up only ("only" is fine here. "it can only set up" is also good) if the foe lacks does not have high offensive stats or lacks a status-inducing move such as Toxic. Try to bring Sneasel into the battlefield off of a fainted teammate, U-turn, or Volt Switch in order to prevent it from taking too much damage as it enters. Having a strong secondary STAB attack is also crucial in defeating other fast, (RC) and powerful Pokemon, particularly Archeops. (not sure what this has to do with usage tips? "Use Icicle Crash to defeat other..."?) Once set up, Sneasel is free to spam its STAB attacks, though it should always use Ice Shard against faster Pokemon and Choice Scarf users. The combination of a +2 Knock Off and Ice Shard is enough to 2HKO Sawk on the switch, but it does negligible damage to Hariyama, Gurdurr, and Poliwrath. Ice Punch Icicle Crash (idk which move is meant to belong here, but Ice Punch is not in the set's slashes) will not save Sneasel against Gurdurr, which can threaten Sneasel with due to the threat of a STAB Mach Punch.
Team Options
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A wallbreaker such as Zangoose or Typhlosion will can weaken the opposing team so that Sneasel can have an easier time cleaning up. Typhlosion also enjoys having Hariyama weakened by Sneasel's Low Kick, allowing Typhlosion to spam its Fire-type moves more effectively. (Add Period) Psychic-types such as Mesprit can check the Fighting-types that Sneasel struggles with. Entry hazard removal from the likes of Mantine and Claydol can give Sneasel a much easier time switching in. Vileplume handles the Rock-, Fairy-, and Fighting-types that wall Sneasel and can aid Sneasel's sweep by putting foes to sleep with Sleep Powder. Entry hazard setters such as Garbodor can wear down opposing Pokemon in order to aid Sneasel in its attempt at a late-game sweep, and a status absorber such as Gurdurr prevents burn, poison, and paralysis from cutting Sneasel's sweep short.
All-Out Attacker
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name: All-Out Attacker
move 1: Knock Off
move 2: Icicle Crash / Ice Punch
move 3: Ice Shard
move 4: Pursuit / Low Kick
ability: Inner Focus
item: Life Orb / Choice Band
evs: 252 Atk / 4 SpD / 252 Spe
nature: Jolly
Moves
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Knock Off is a powerful, and reliable STAB move that removes opposing items and hits several important Pokemon in NU hard, (I think this fact should be made a bit more clear, "hits" is a little vague) including Uxie and Mismagius. Icicle Crash is a powerful, reliable another strong (Less repetitive imo though I suppose the wording could be better. Also idk if Icicle Crash is really "reliable") STAB attack that hits the offensive powerhouses of Archeops and Scyther and can cause the foe to flinch a foe (flinch shouldn't be used like this :0 umm think of it like, tickling someone's nose doesn't sneeze them, it causes them to sneeze) before it can deal serious damage to Sneasel. It also hits Garbodor without making contact, (comma) so Sneasel does not take chip damage from Garbodor's Rocky Helmet or Aftermath. Alternatively, Ice Punch can be used for its perfect accuracy. Ice Shard gives Sneasel a strong priority move to deal with Choice Scarf users such as Rotom-S, as well as faster Pokemon such as Swellow. Pursuit is used on a predicted switch to deal serious damage to Mesprit, Cryogonal, Jynx, and Xatu, whereas Low Kick nails Hariyama in addition to Steel- and Normal-types.
Set Details
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Sneasel's Speed is fully invested in order for it Maximum Speed investment allows Sneasel (pretty subjective but "fully invested in order" sounded kinda weird to me) to outspeed much of the unboosted metagame in addition to Archeops. Full Attack investment alongside Life Orb allow allows Sneasel to deal major damage (can use "and switch attacks" here if you want to mention that) while allowing it to switch attacks, though Choice Band can be used if higher power is desired over the ability to change moves. Moreover, Choice Band does not wear Sneasel down with recoil damage.
Usage Tips
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This set is primarily used as a revenge killer or a mid-game wallbreaker. Keep entry hazards off the field at all times, as Sneasel does not like residual damage. Moreover, as Sneasel lacks Eviolite, it should not be switching into any attacks. Always bring it in on a free switch or after your Pokemon uses Volt Switch or U-turn (essentially repetitive). (up to you. if you keep it, I'd change "your Pokemon" to "a teammate") Having a strong secondary STAB attack is also crucial in defeating other fast, powerful Pokemon, particularly Archeops. (not really sure what this has to do with usage tips. rephrase maybe? "Use Icicle Crash to defeat other fast, powerful..."? is that what you meant?) When facing a Psychic- or Ghost-type, be sure to Pursuit trap it should you be running the move. Otherwise, use Knock Off to cripple the predicted switch-in.
Team Options
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Entry hazard setters such as Crustle can wear down opposing Pokemon, making it easier for Sneasel to clean them up KO them (I think this fits better since this set isn't a cleaner per se). (idk) Fighting-types such as Hariyama appreciate Sneasel's ability to Pursuit trap Psychic-types, particularly Uxie and Musharna. Psychic- and Flying-types such as Mesprit and Rotom-S check the Fighting-types that give Sneasel a hard time. Poison-types such as Garbodor and Vileplume have good defensive synergy with Sneasel, as they cover Fighting-, Bug-, and Fairy-type moves while Sneasel covers Psychic-type moves. Garbodor also enjoys having Xatu Pursuit trapped so that it can set up entry hazards more easily. Entry hazard removers such as Claydol and Prinplup make it easier for Sneasel to switch in and out of the battlefield, which it will be doing often.
Other Options
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Poison Jab or Iron Tail can be used to hit Granbull and Mega Audino, both of which can (not necessary, up to you) wall Sneasel otherwise. Taunt can cripple opposing attempts foes attempting (you cripple the foes, not the attempts) to give Sneasel a status problem, but Sneasel often can't afford to give up an attacking move for it.
Checks & Counters
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**Bulky Fighting-types**: Common Fighting-types such as Gurdurr, Hariyama, and Poliwrath are all major issues for Sneasel. Gurdurr has STAB priority to OHKO Gurdurr's STAB Mach Punch OHKOes even ("even" is fine imo? rest of the changes are good) Eviolite Sneasel, while Hariyama and Poliwrath resist both of Sneasel's STAB attacks. However, Gurdurr cannot switch into Sneasel or else it risks losing its Eviolite, while Hariyama is still hit hard by Low Kick.
**Fairy-types**: Mawile hard walls all of Sneasel's moves and threatens it with Play Rough. Mega Audino and Granbull both take pitiful damage from all of Sneasel's moves bar the rare Iron Tail or Poison Jab. All three Fairy-types can effortlessly switch in on even a +2 Sneasel.
**Priority Users**: Sneasel's frailty and bad defensive typing leave it vulnerable to priority attackers such as Mach Punch Gurdurr, Aqua Jet Samurott, and Fake Out Kangaskhan. However, Eviolite helps mitigate this weakness somewhat. Moreover, Sneasel resists Sucker Punch and has STAB priority of its own, so priority users must have a significant amount of health to threaten Sneasel.
**Bulky Pokemon**: Without a boost, Sneasel fails to break through several bulky Pokemon such as Weezing, Carracosta, Bouffalant, and Quagsire. All four Pokemon can switch into Sneasel as it uses Swords Dance. Weezing can burn Sneasel and wear it down with Flamethrower. Carracosta and Bouffalant both can take a +2 Knock Off and OHKO even Eviolite Sneasel with Stone Edge. Quagsire's Unaware (made this change bc otherwise it sounds like Quagsire's Unaware can Toxic stall Sneasel rather than Quagsire itself) bypasses any stat boosts Sneasel accumulates thanks to Unaware, (RC) (keep the comma) and it can Toxic Stall stall Sneasel easily.
**Status Ailments**: All status problems hinder Sneasel's ability to sweep. Weezing can switch in on Sneasel and use Will-O-Wisp to cut its damage output in half. Liepard and Lanturn can use Thunder Wave to make Sneasel's high Speed useless; Liepard outspeeds Sneasel because of Prankster, while Lanturn can take a Knock Off from Sneasel easily. Toxic from defensive Pokemon such as Quagsire wears Sneasel down quickly, (RC) and, (AC) (the original comma placement was fine) as long as Sneasel cannot break through the Toxic staller, the poison damage will KO it quickly.