Corrosion

This Pokémon can inflict poison on Poison and Steel Pokémon.

4 Pokémon2 as Hidden AbilityIntroduced in Gen 7

Added in Gen 7.

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In-depth effect

This Pokémon's moves and item ignore the usual immunity of Poison and Steel Pokémon when attempting to inflict poison.

Pokémon that can have Corrosion only as their Hidden Ability.

Other abilities introduced alongside Corrosion.

Ability	Pokémon	Effect
Beast Boost	11	Raises this Pokémon's highest stat by one stage when it faints another Pokémon.
Stakeout	8	This Pokémon's moves have double power against Pokémon that switched in this turn.
Fluffy	6	Damage from contact moves is halved. Damage from Fire moves is doubled.
Slush Rush	5	During Hail, this Pokémon has double Speed.
Grassy Surge	4	When this Pokémon enters battle, it changes the terrain to Grassy Terrain.
Liquid Voice	3	Sound-based moves become Water-type.
Long Reach	3	This Pokémon's moves do not make contact.
Stamina	3	Raises this Pokémon's Defense by one stage when it takes damage from a move.

No reader notes on Corrosion yet.

“Corrosion”. Pokémonism. Retrieved [date] from pokemonism.com/abilities/corrosion.

Ability data from PokéAPI.