World of Warcraft: Dragonflight - The Loop
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Snow Cloak is an ability introduced in Generation IV. So far 4 Pokémon have this ability.
Outside of battle
If a Pokémon with Snow Cloak is the leading party Pokémon while travelling in a hail storm/blizzard, wild Pokémon are only half as likely to appear.
Pokémon with Snow Cloak