War Master Utility 26Brilliant Strategy
You weave a skein of psionic magic, combining your allies’ talents into a single, unbeatable force.
Minor Action Close burst 5
Target: One enemy you can see in the burst
Effect: Until the end of your next turn, you and your allies gain a bonus to attack rolls against the target equal to the number of your allies adjacent to it. If the target drops to 0 hit points, you can use this power again during this encounter.
Sustain Minor: The effect persists.
Published in Player's Handbook 3, page(s) 161.