You emerge from the shadows to deliver a deadly attack. You then retreat back to the darkness, as if you had been there all along.

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 from which you are hidden

Attack: Dexterity vs. AC

Hit: 3[W] + Dexterity modifier damage. You can make a Stealth check to remain hidden after the attack.

  Cunning Sneak: The attack deals extra damage equal to your Intelligence modifier.

Published in Martial Power 2, page(s) 64.