Your mocking song saps your foe's will and breaks its confidence, leaving it immobile and ineffectual.

Daily   ✦     Arcane, Charm, Psychic, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Charisma vs. AC

Hit: 2[W] + Charisma modifier psychic damage, and the target is immobilized (save ends) and weakened (save ends).

Miss: Half damage, and the target is immobilized and weakened until the end of your next turn.

Published in Player's Handbook 2, page(s) 76.