An eldritch storm of fire and lightning erupts from you to scour your foes, leaving them vulnerable to future attacks.

Daily   ✦     Arcane, Fire, Implement, Lightning
Standard Action      Close blast 3

Target: Each creature in the blast

Attack: Charisma vs. Reflex

Hit: 2d8 + Charisma modifier fire and lightning damage, and the target gains vulnerable 5 fire and vulnerable 5 lightning (save ends both).

Miss: Half damage.

Published in Arcane Power, page(s) 76.