[ the mark on his chest flares to life, making him put a hand over his chest.]

That is exactly what I wish for her as well.

You must believe me. There is no cure without death. You cannot wish the monster away, the magic at work cannot touch it. The options were to leave her in the state as she was - suffering, tormented, and due to harm another without any control over her own mind - or to wait for someone who merely wanted to be rid of her without any concern for her wellbeing. Or we could try something.