Blizzard could cover all of the enemies and hypervoice could cover all enemies.
Blizzard has low accuracy and hypervoice has high accurracy.
Blizzard does 120 damage and hypervoice does does 90 damage.
Blizzard has a 10% chance of freezing the enemies and hypervoice has no side effects.
the freeze caused by blizzard can
t effect Pokemon with magma armor and hypervoice cant effect Pokemon with sound proof.
Blizzard`s accuracy changes to 100% in hail storms.
Three Pokemon are immune to blizzard due to magma armor, and 12 Pokemon are immune to hypervoice due to sound proof (5 have DW abbility).
The best attack for kyurem is blizzard.