Generation V
Defeatist
Lowers stats when HP becomes half or less.
Detailed Effect
This Pokémon's Attack and Special Attack are halved when it has half its HP or less.
Pokémon With Defeatist
2 canonical Pokémon forms can have this Ability.
Generation V
Lowers stats when HP becomes half or less.
This Pokémon's Attack and Special Attack are halved when it has half its HP or less.
2 canonical Pokémon forms can have this Ability.
Archen 
Archeops