You deal a staggering blow to your enemy, setting it up for future attacks.

Daily   ✦     Martial, Weapon
Standard Action      Melee or Ranged weapon

Requirement: You must be wielding a crossbow, a light blade, or a sling.

Target: One creature

Attack: Dexterity vs. AC

Hit: 2[W] + Dexterity modifier damage, and the target is slowed and grants combat advantage to you (save ends both).

Miss: Half damage, and the target grants combat advantage to you until the end of your next turn.

Update (9/30/2011)
Updated in Class Compendium.

Published in Player's Handbook, page(s) 119, Class Compendium.