You exhale a mighty blast of elemental essence.

Encounter   ✦     Arcane, Implement ; Varies
Standard Action      Close blast 5

Target: Each creature in the blast

Attack: Charisma vs. Reflex

Hit: 2d8 + Charisma modifier damage. The damage is the type you resist with your Dragon Soul class feature.

Published in Player's Handbook 2, page(s) 150.