Every ability

Prankster

This Pokémon's Status moves have priority raised by 1, but Dark types are immune.

Standard ability
8
Pokémon
Hidden ability
10
Pokémon
Only in battle
1
Pokémon

In detail

This Pokémon's non-damaging moves have their priority increased by 1. Opposing Dark-type Pokémon are immune to these moves, and any move called by these moves, if the resulting user of the move has this Ability.

Pokémon that can have it

19

Standard ability8Any one caught or hatched may have it

Hidden ability10Only one with its hidden ability has it

Only in battle1A forme it takes mid-battle, like a Mega Evolution