Heine stays by the desk, letting the knowledge that he's killed someone else settle inside him. The dog is delighted at the prospect of fresh blood, at the door he's opened after leaving it locked for so long, and Heine is... tired. Just tired. No matter how much he's told himself he doesn't want to do it again, isn't this proof that he can't hold the desire back forever?

He knows he should stay away from Jade. He'll try, in the future. But for now, they wait together for the remains of Professor Eichel to turn to ash, and then to nothing.