She sat up straighter. "It is difficult to explain," she said, biting her lip thoughtfully. "After I died, I came back new. I wasn't... altogether... well. I tried, of course, but... Um. I think a piece of me was vanquished when Greta stabbed my heart. That is my best guess."
Wilhelm nodded slowly. It fit with her whole ethos, that wickedness could be slain by the pure of heart.