Corrosion

The Pokémon can poison the target even if it's a Steel or Poison type.

Corrosion is a tier C ability. The Pokémon can poison the target even if it's a Steel or Poison type. Common users include glimmora, salazzle, salazzle-totem, salandit, glimmet. The Pokémon can poison the target even if it's a Steel or Poison type.

Positioning matters with Corrosion. Think about when the ability triggers — on entry, on hit, on switch out, or continuously — and build your turns around those moments. Abilities that trigger on entry pair well with pivot moves, while continuous abilities reward careful lead selection. If the ability affects the whole field, consider how long you expect that field condition to last and whether your opponent can override it.

In team building, Corrosion should justify at least one team slot and ideally shape several. Ask which Pokémon benefit directly from the ability and which opponents will try to play around it. Build redundant answers to the ability's common counters so the rest of the team still functions when the ability is negated, overridden or ignored.

Matchup value depends on whether the opponent's team can ignore, copy or remove the ability's effect. Bring Corrosion when you expect the opposing strategy to rely on the mechanics it counters, and consider a backup plan for games where that interaction does not come up. Test these matchups in the team builder and analyzer before finalizing your roster.

Explore related Pokémon, team examples and guides to see Corrosion in action.