Chaldorb

Level 1: While you wield this implement, your magic or psionic abilities that deal rolled damage gain a +1 damage bonus. Additionally, if you make a magic strike, the strike must deal cold damage instead of its usual damage.

Level 5: The implement's damage bonus increases to +2. Additionally, whenever you use a magic or psionic ability, a whirlwind of sleet and ice whips around you, dealing 3 cold damage to each adjacent enemy.

Level 9: The implement's damage bonus increases to +3, and the whirlwind you create when you use a magic or psionic ability deals 6 cold damage to each enemy within 2 squares of you. Additionally, the whirlwind creates a 2 aura around you that lasts until the start of your next turn. Each enemy who enters the aura for the first time in a combat round or starts their turn there takes 6 cold damage.