Call down shards of ice that deal 1075% weapon damage as Cold over 6 seconds to enemies in a 12 yard radius. Multiple casts in the same area from the same caster do not stack.
Force
Unlocked at level 27
Apocalypse
Increase the area of effect of Blizzard to a 30 yard radius.
Conjure a Black Hole at the target location that draws enemies to it and deals 700% weapon damage as Arcane over 2 seconds to all enemies within 15 yards.
Mastery
Unlocked at level 61
Absolute Zero
Each enemy hit increases the damage of your Cold spells by 3% for 10 seconds.