Rock Head

Protects the Pokémon from recoil damage.

Game descriptions

Ruby, Sapphire, FireRed, LeafGreen, Emerald:Prevents recoil damage.
Diamond, Pearl, Platinum, HeartGold, SoulSilver:Protects the Pokémon from recoil damage.
Black, White, Black 2, White 2:Protects the Pokémon from recoil damage.
X, Y, O.Ruby, A.Sapphire:Protects the Pokémon from recoil damage.
Sun, Moon, Ultra Sun, Ultra Moon:Protects the Pokémon from recoil damage.
Sword, Shield, B.Diamond, S.Pearl:Protects the Pokémon from recoil damage.
Scarlet, Violet:Protects the Pokémon from recoil damage.