Warlock Utility 10Accursed Souls
The souls of those who fall while bearing your curse explode from their bodies to slay more of your foes.
Daily Arcane, Necrotic
Free Action Personal
Trigger: An enemy you have cursed is reduced to 0 hit points or fewer.
Effect: Until the end of the encounter, whenever an enemy you have cursed is reduced to 0 hit points or fewer, enemies adjacent to that target take 10 necrotic damage.
Published in Dragon Magazine 372, page(s) 23.