Lightning crackles over your victim and arcs into nearby enemies.

Encounter   ✦     Arcane, Implement, Lightning
Standard Action      Ranged 10

Target: One creature

Attack: Charisma vs. Reflex

Hit: 3d12 + Charisma modifier lightning damage, and each enemy adjacent to the target takes 1d12 + your Charisma modifier lightning damage.

Published in Player's Handbook 2, page(s) 147.