As your foe launches his attack, you loose a shot right down his sights.

Encounter   ✦     Martial, Weapon
Immediate Interrupt      Ranged weapon

Trigger: An enemy hits you or an ally within 5 squares of you with a ranged attack

Target: The triggering enemy

Attack: Dexterity vs. Reflex

Hit: 2[W] + Dexterity modifier damage, and the target takes a –5 penalty to the triggering attack roll.

Published in Martial Power, page(s) 68.