Generation Ix
Armor Tail
The mysterious tail covering the Pokémon's head makes opponents unable to use priority moves against the Pokémon or its allies.
Detailed Effect
The mysterious tail covering the Pokémon’s head makes opponents unable to use priority moves against the Pokémon or its allies.
Pokémon With Armor Tail
1 canonical Pokémon form can have this Ability.
Farigiraf 
