When you take the Attack action, you can expend one use of your Channel Divinity to utter a vow of enmity against a creature you can see within 30 feet of yourself. You have Advantage on attack rolls against the creature for 1 minute or until you use this feature again.
If the creature drops to 0 Hit Points before the vow ends, you can transfer the vow to a different creature within 30 feet of yourself (no action required).