Volcanion

Attacks

Concentrated Fire · 50
Flip a coin for each Fire Energy attached to this Pokémon. This attack does 50 damage times the number of heads.
Combustion Impact · 100
Your opponent switches his or her Active Pokémon with 1 of his or her Benched Pokémon.

It expels its internal steam from the arms on its back. It has enough power to blow away a mountain.