Prerequisite: A channel divinity power that targets undead from your class, and you must worship Vecna.
Benefit: You gain the command undead power.
Feat AttackCommand Undead
You compel an undead creature to become your slave for a time.
Encounter Channel Divinity, Divine, Implement, Shadow
Standard Action Close 5 (10 at 21st level)
Target: One undead creature in the burst
Attack: Wisdom vs. Will
Hit: You slide the target up to a number of squares equal to 3 + your primary ability modifier. The target then becomes immobilized until the end of your next turn. Any creature that ends its turn adjacent to the target takes 5 damage. At the end of the move, the target makes a basic attack as a free action against a creature of your choice.
Miss: The target is dazed until the end of your next turn.
Changed to match July update.
Published in Dragon Magazine 395.