Abilities: Snow Warning - Soundproof (Hidden Ability)
Snow Warning: Hailstorm blows when the Pokémon enters battle. As of X & Y, this lasts 5 turns.
Soundproof: Unaffected by sound moves. If this Pokémon switches out with Baton Pass, Perish Song against the switched out will not be nullified.
getting hit by supersonic is such a big threat i need to drop my 100% hit rate blizzards