The spirit of the storm engulfs you, and you become as the wind and lightning, heedless of the earth and dangerous to the touch.

Encounter   ✦     Arcane, Lightning
Move Action      Personal

Effect: You become insubstantial until the start of your next turn and can fly 10 squares with this move action. Each creature that makes a melee attack against you during this move takes lightning damage equal to your Charisma modifier.

Published in Arcane Power, page(s) 38.