You move with such speed and attack with such force that your enemy finds it impossible to track your movements.

Encounter   ✦     Primal, Weapon
Standard Action      Melee or Ranged weapon

Requirement: You must be wielding a light thrown or a heavy thrown weapon to make a melee attack with this power.

Effect: Before the attack, you shift 1 square. If you are marked, that condition ends on you before the shift.

Target: One creature

Attack: Wisdom vs. Fortitude

Hit: 2[W] + Wisdom modifier damage, and the target grants combat advantage to you until the end of your next turn. In addition, you slide the target 1 square, and you shift 1 square.

Published in Player's Handbook 3, page(s) 133.