Defiant (ability)

Effect

When its stats are lowered its Attack increases.

Game descriptions

Black/White Black 2/White 2	When its stats are lowered its Attack increases.
X/Y O.Ruby/A.Sapphire	Boosts the Pokémon’s Attack stat when its stats are lowered.
Sun/Moon	Boosts the Pokémon’s Attack stat sharply when its stats are lowered.

Pokémon with Defiant

#	Name	2^nd ability	Hidden ability
624	Pawniard	Inner Focus	Pressure
625	Bisharp	Inner Focus	Pressure

Defiant as a hidden ability

#	Name	Other abilities
056	Mankey	Vital Spirit Anger Point
057	Primeape	Vital Spirit Anger Point
083	Farfetch'd	Inner Focus Keen Eye
393	Piplup	Torrent
394	Prinplup	Torrent
395	Empoleon	Torrent
432	Purugly	Own Tempo Thick Fat
628	Braviary	Keen Eye Sheer Force
641	Tornadus Incarnate Forme	Prankster
641	Tornadus Therian Forme	Regenerator
642	Thundurus Incarnate Forme	Prankster
642	Thundurus Therian Forme	Volt Absorb
766	Passimian	Receiver