When your victim moves, you shut him down.

Daily   ✦     Martial, Weapon
Standard Action      Ranged weapon

Target: One creature

Attack: Dexterity vs. AC

Hit: 5[W] + Dexterity modifier damage.

Miss: Half damage.

Effect: Until the end of the encounter, when the target willingly moves, you can make a ranged basic attack with a weapon against the target as an immediate interrupt. If that attack hits, the target ends its movement.

Published in Dragon Magazine 383, page(s) 51.