Every ability

Damp

Prevents Explosion/Mind Blown/Misty Explosion/Self-Destruct/Aftermath while active.

Standard ability
8
Pokémon
Hidden ability
12
Pokémon

In detail

While this Pokémon is active, Explosion, Mind Blown, Misty Explosion, Self-Destruct, and the Aftermath Ability are prevented from having an effect.

Pokémon that can have it

20

Standard ability8Any one caught or hatched may have it

Hidden ability12Only one with its hidden ability has it