"Fine," Nico said, when that seemed to be all he was planning to say. "You can thank me by figuring out some way to make some form of communication technology work in your tunnels. Katherine said conventional stuff probably wouldn't work, but I've got a do-anything magic Staff and I'd like some warning next time so I can avoid getting blood on my shirt."

The torn sleeve of which, incidentally, she had already cleaned and repaired.

"I put a lot of work into this outfit and I have better things to do with it than clean blood out of it."