Swordmaster Attack 20Crescendo Sword
With a tremendous roar, you swing your blade over your head and make lunging strikes at all nearby enemies. At the end of the flurry, you regain some of your power.
Daily Martial, Weapon
Standard Action Close burst 1
Requirement: You must use this power with a light blade or a heavy blade (not a polearm).
Target: Each enemy you can see in the burst
Attack: Strength vs. AC
Hit: 2[W] + Strength modifier damage.
Effect: If you hit at least one target, you regain the use of one daily attack power that you have already used today. If you miss every target, you regain the use of one encounter attack power that you have already used during this encounter.
Published in Player's Handbook, page(s) 88, Class Compendium.