Steam Engine
Boosts the Speed stat drastically when the Pokémon is hit by a Fire- or Water-type move.
Pokémon with this ability3 Pokémon
FAQ
What does Steam Engine do?
Boosts the Speed stat drastically when the Pokémon is hit by a Fire- or Water-type move.
Which Pokémon have Steam Engine?
3 Pokémon have it, e.g. Rolycoly, Carkol, Coalossal.