Dumbledore glared at her, a rare moment in which his mask slipped, and he spoke again, voice low. "I did what needed to be done with the circumstances at the time. Harry Potter must die for all of this to be over. Now, more than before, he must sacrifice himself. The horcrux on him...it’s taking over, you must be able to see that. It’s consuming him, violent and merciless, he must die before any more damage can be done."