As your foe's soul passes to the Shadowfell, you drain a portion of its essence for your own use.

Encounter   ✦     Healing, Shadow
Free Action      Personal

Trigger: You reduce your assassin's shroud target to 0 hit points on your turn

Effect: You can spend a healing surge and regain 15 additional hit points. In addition, you gain an extra move action that you can use during either this turn or your next turn.

Published in Dragon Magazine 379, page(s) 35.