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Poison-type Pokemon have pretty few resistances, so they aren’t too bad defensively. A massive perk from them is whenever a Poison-type switches onto the field and wipes out the Toxic Spike entry hazard. Some of the best competitive Poison-types in Pokemon also bypass all accuracy checks on the move Toxic.

Weezing

Weezing is a Generation 1 Poison-type Pokemon. It has an excellent Defense stat and is equipped with many support moves. Players can use it for passive damage from Toxic or the move Haze for more widespread use. Haze removes all stat-changing effects on the field, so it can seriously hinder Screen users. Weezing can also set up Toxic Spikes against opponents while protecting its allies from the same thing.

Offensively, it does have some good Same Type Attack Bonus (STAB) moves in its arsenal. Sludge Wave, Sludge Bomb, and Venoshock all pack a punch and have a chance of Poisoning targets. It’s also got some worthwhile type coverage options like Fire Blast and Thunderbolt. Nonetheless, it works well as a poisonous wall on lots of teams.

Toxicroak

Toxicroak is the less popular evolved form of Croagunk - who’s a charming face seen in the Pokemon Series. However, stat-wise and competitively, Toxicroak far exceeds its predecessor. Due to it being a Fighting-type, it’s got a high Attack stat, which means that many of its best moves are going to be Physical. An example of this is Close Combat or Revenge.

It also has the standard Toxic, Sludge Bomb, and Belch set as a Poison-type. However, Belch only works if the user has previously eaten a Berry in the same battle and has lower accuracy. Even so, its power level of 120 means the risk will hugely pay off. In addition, Toxicroak has some Ground-type options to take on Fire and Steel-types.

Toxtricity

Toxtricity is a unique mix of Electric and Poison introduced in Generation 8. It has two forms, Amped or Low Key, which differ in both appearance and moveset. Its Amped form learns the non-damaging move Shift Gear, which raises its Attack and Speed. On the other hand, its Low Key form can learn Magnetic Flux, which increases the user’s Defense and Sp. Def as well as an ally, usually Steel or Electric, with the ability Plus or Minus.

Toxtricity’s Sp. Atk is deadly with moves like Over Drive, Boom Burst, and Belch. It is something of a Sweeper, but its Speed is slightly lacking. However, any supportive allies that can redirect moves to them or even stall opponents will alleviate this problem, and it can use its Electric and Poison STAB moves.

Toxapex

Toxapex was introduced in Generation 7. The dual Poison/Water-type has good Defensive stats, so opponents can expect a challenge when trying to eliminate it from the field. Its recovery options include the ability Regenerator, the move Recover, or the Held Item Black Sludge. Toxapex is not meant to be an offensive tool, but it has many support passive damage options like Toxic and Baneful Bunker. It can also set up Toxic Spikes, so switching onto the field against it is dangerous.

Its best STAB moves are Scald and Sludge Wave, if not just for the potential Status Condition they might leave behind, so not all hope is lost if it manages to end up as the last Pokemon on the field. Players do have some Ice-type moves they could use as well if it is given a chance, which could help against Dragon or Ground-type opponents.

Gengar

Gengar is a dual Ghost/Poison-type Pokemon. It is often used as a Glass Cannon in competitive play because of its high Speed and Sp. Atk stats. It also has an immunity to Normal and Fighting-type Pokemon, which helps with its lack of defense. Likewise, its Levitate ability protects it from entry hazards and Ground-type moves.

Players can use its Speed to set up a defensive field with moves like Will-O-Wisp and Disable for slower allies. Alternatively, Gengar often finds itself taking the offensive front. Its STAB options, Shadow Ball and Sludge Wave are hard to survive, and it has potentially good type coverage moves from TMs.

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