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
Snowbound
Reduce the casting cost of Blizzard to 10 Arcane Power.
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.