"Oh, I know for a fact that I can't fight them in here. They've got this place pretty well set up."

But every cell has a flaw.

It doesn't matter how cunningly you craft it, how carefully you design it, how well you guard and maintain it. Every cell has a flaw.

"But nobody's immortal, not even the Malnosso. I don't have to smack them down to know that somebody somewhere will."

... A fairly powerful wizard. And that went in my mental file.