Intimidate

Intimidate lower's the Attack of all opponents by one stage when the ability-bearer switches in (including the start of a battle). Stats can be lowered to a minimum of -6 stages each.

Game descriptions

Ruby, Sapphire, FireRed, LeafGreen, Emerald:Lowers the foe’s ATTACK.
Diamond, Pearl, Platinum, HeartGold, SoulSilver:Lowers the foe’s Attack stat.
Black, White, Black 2, White 2:Lowers the foe’s Attack stat.
X, Y, O.Ruby, A.Sapphire:Lowers the opposing Pokémon’s Attack stat.
Sun, Moon, Ultra Sun, Ultra Moon:The Pokémon intimidates opposing Pokémon upon entering battle, lowering their Attack stat.
Sword, Shield, B.Diamond, S.Pearl:The Pokémon intimidates opposing Pokémon upon entering battle, lowering their Attack stat.
Scarlet, Violet:When the Pokémon enters a battle, it intimidates opposing Pokémon and makes them cower, lowering their Attack stats.

Intimidate

Game descriptions

Pokémon with this ability (37)