With dizzying speed, you slash and slice your foes. Your swordplay leaves your foes off balance and unable to discern your location.

Encounter   ✦     Arcane, Weapon
Standard Action      Close burst 1

Target: Each enemy in the burst

Attack: Intelligence vs. Reflex

Hit: 1[W] + Intelligence modifier damage. Until the end of your next turn, the target grants combat advantage to you and your allies.

Effect: Until the end of your next turn or until you move, you have concealment.

Published in Arcane Power, page(s) 59.