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Windwalk Strike
Ranger Attack 23

You glide across the ground as if you were the wind. Your swift movement catches your foes by surprise.

Melee or Ranged weapon

Target: One or two creatures

Attack: Dexterity vs. AC. The target grants combat advantage to you for this attack.
Effect: Before the attack, you shift your speed.

Hit: 2[W] + Dexterity modifier damage.

Windwalk Strike is an encounter power available to rangers at the 23rd level.[MP2:43]