Every ability

Gluttony

This Pokémon eats Berries at 1/2 max HP or less instead of their usual 1/4 max HP.

Standard ability
21
Pokémon
Hidden ability
11
Pokémon

In detail

When this Pokémon is holding a Berry that usually activates with 1/4 or less of its maximum HP, it is eaten at 1/2 or less of its maximum HP instead.

Pokémon that can have it

32

Standard ability21Any one caught or hatched may have it

Hidden ability11Only one with its hidden ability has it