Every ability

Iron Barbs

Pokémon making contact with this Pokémon lose 1/8 of their max HP.

Standard ability
3
Pokémon
Hidden ability
0
Pokémon

In detail

Pokémon making contact with this Pokémon lose 1/8 of their maximum HP, rounded down.

Pokémon that can have it

3

Standard ability3Any one caught or hatched may have it