Changes the weather to hail for five turns, during which non-Ice Pokémon are damaged for 1/16 their max HP at the end of every turn.

If the user is holding Icy Rock, this effect lasts for eight turns.

Blizzard has 100% accuracy. If the target has used Detect or Protect, Blizzard has a (100 - accuracy)% chance to break through the protection.

Moonlight, Morning Sun, and Synthesis heal only 1/4 of the user’s max HP.

Pokémon with Snow Cloak are exempt from this effect’s damage.