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Song of Liberation
Bard Attack 23

A burst of arcane music erupts from your weapon and washes over your allies, loosing them from bonds that restrain their movement.

Melee weapon

Target: One creature

Attack: Charisma vs. Reflex

Hit: 4[W] + Charisma modifier damage, and the immobilized, restrained, and slowed conditions end on each ally within 5 squares of you, provided a save can end the condition.

Song of Liberation is an encounter power available to bards at the 23rd level.[PH2:76]