Every ability

Poison Heal

This Pokémon is healed by 1/8 of its max HP each turn when poisoned; no HP loss.

Standard ability
2
Pokémon
Hidden ability
1
Pokémon

In detail

If this Pokémon is poisoned, it restores 1/8 of its maximum HP, rounded down, at the end of each turn instead of losing HP.

Pokémon that can have it

3

Standard ability2Any one caught or hatched may have it

Hidden ability1Only one with its hidden ability has it