Every ability

Unnerve

While this Pokémon is active, it prevents opposing Pokémon from using their Berries.

Standard ability
8
Pokémon
Hidden ability
17
Pokémon

In detail

While this Pokémon is active, it prevents opposing Pokémon from using their Berries. This Ability activates before hazards and other Abilities take effect.

Pokémon that can have it

25

Standard ability8Any one caught or hatched may have it

Hidden ability17Only one with its hidden ability has it