[He's about to respond to her first question, when she asks the second. His eyes narrow and his jaw clenches briefly, and he's up and storming a few paces away, all tension and anger wound up, arms crossed hard over his chest.]

No. I don't damage the souls I use, especially not intentionally. And I don't deal with ones still in a living creature unless absolutely necessary.

[He certainly didn't go corrupting the souls of innocent people just to get back at someone else, either. He fails to see any connection at all between what he does and what Lucifer did.]