You loose a tremendous shout, giving your allies confidence and instant attacks.

Daily   ✦     Martial, Weapon
Standard Action      Close burst 20

Target: Each ally in the burst

Effect: Each target gains 20 temporary hit points and can make a basic attack as a free action.

  Inspiring Presence: Each target gains additional temporary hit points and a bonus to the basic attack's damage roll equal to your Charisma modifier.

Published in Martial Power, page(s) 117.