Your attack comes from such an unexpected angle that your adversary is taken aback.

Encounter   ✦     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: 4[W] + Dexterity modifier damage, and if you have combat advantage against the target, it is dazed until the start of your next turn.

Published in Martial Power, page(s) 84.