Berserk

Berserk is an ability that affects the Sp. Atk stat.

Effect
Every time the HP of the Pokémon with this ability drops below half, its Sp. Atk. stat is raised by one stage. Berserk will not activate if the Pokémon's HP falls to half by indirect damage, status conditions, weather, or any move affected by Sheer Force.

Pokémon with

 * Drampa