Corrosion
This Pokémon can inflict poison on Poison and Steel Pokémon.
Full effect
This Pokémon's moves and item ignore the usual immunity of Poison and Steel Pokémon when attempting to inflict poison.
In-game description
The Pokémon can poison the target even if it's a Steel or Poison type.
Stats
Regular ability (2 Pokémon)
Hidden ability (2 Pokémon)
Only available through specific encounters (Dynamax Adventures, Tera Raids, hidden grottoes, etc.).