Watching your foe's movements, you time your attack perfectly, knowing exactly where and how to strike to do the most harm.

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, Fortitude, Reflex. You make one attack roll. If it hits at least one of the three defenses, the attack hits.

Hit: 4[W] + Dexterity modifier damage, or 5[W] + Dexterity modifier damage if the attack hits at least two defenses. If the attack hits all three defenses, the target is also stunned until the end of your next turn.

Update (10/4/2011)
Updated in Class Compendium.

Published in Player's Handbook, page(s) 126, Class Compendium.