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Duck and Draw
Ranger Attack 17

You duck beneath your enemy's attack and then step away, striking at range.

Ranged weapon

Trigger: An enemy makes a melee attack against you
Effect: You shift a number of squares equal to your Wisdom modifier.

Target: The triggering enemy

Attack: Dexterity vs. AC

Hit: 2[W] + Dexterity modifier damage.

Duck and Draw is an encounter power available to rangers at the 17th level.[MP2:41]