A chaotic swirl bursts out from you, buffeting everyone nearby with wind and ice.

Daily   ✦     Arcane, Cold, Implement
Standard Action      Close burst 10

Target: Each enemy in the burst

Attack: Charisma vs. Reflex

Hit: 4d10 + Charisma modifier cold damage, and you knock the target prone.

Effect: Each ally in the burst gains resist 10 cold until the end of the encounter.
Until the end of the encounter, you are surrounded by freezing wind and snow. At the start of each of your turns, each enemy within 10 squares of you takes 2d6 cold damage, and you slide it 2 squares.

Published in Arcane Power, page(s) 42.