Generation Iv
Solid Rock
Powers down supereffective moves.
Detailed Effect
This Pokémon takes 0.75× as much damage from moves that are super effective against it. This ability functions identically to Filter.
Pokémon With Solid Rock
4 canonical Pokémon forms can have this Ability.
Camerupt 
Rhyperior 
Tirtouga 
Carracosta