Your strike distracts your foe, forcing it to lower its defenses and create opportunities for your allies' attacks.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 2[W] + Strength modifier damage. Until the end of your next turn, while you have combat advantage against the target, you and your allies deal extra damage to the target equal to your Charisma modifier.

Published in Martial Power 2, page(s) 85.