You aim for a vulnerable spot that will leave your foe too absorbed with its own suffering to withdraw.

Daily   ✦     Martial, Reliable, Weapon
Standard Action      Ranged weapon

Target: One creature

Attack: Strength vs. AC

Hit: 3[W] + Strength modifier damage, and the target grants combat advantage (save ends).

  Aftereffect: The target grants combat advantage until the end of your next turn.

Published in Martial Power 2, page(s) 89.