Ruby/Sapphire  Prevents ability reduction. FireRed/LeafGreen  Prevents ability reduction. Emerald  Prevents ability reduction. Diamond/Pearl  Prevents the Pokémon's stats from being lowered. HeartGold/SoulSilver  Prevents its stats from being lowered. Platinum  Prevents the Pokémon's stats from being lowered. Black/White  Prevents other Pokémon from lowering its stats. X/Y  Prevents other Pokémon from lowering its stats. Scarlet/Violet  The Pokémon is protected by its white smoke, which prevents other Pokémon from lowering its stats.