Swordmage Utility 16Aegis of Lost Souls
As one of your foes falls, you send out a pulse of magic that incites other enemies to attack you.
Free Action Area burst 2 centered on the triggering enemy
Trigger: An enemy within 10 squares of you drops to 0 hit points
Target: Each enemy in the burst
Effect: The target is marked by your Swordmage Aegis power. Marking the target does not remove the mark on another target already affected by your Swordmage Aegis. Using this power does not provoke opportunity attacks.
Published in Arcane Power, page(s) 59.