There’s a claw-prick catch to his attention once she’s started to recede -- a departure from the low-burning enthusiasm he’d been building up beneath this exchange of information. It’s clear that he noticed, and that he noticed almost immediately.

He hoods his brow again, puzzled or perhaps concerned if we’re generous, second-guessing as he walks back through the list he just provided. Trained rats are concerned when the bell they’re ringing to receive treats suddenly stops making sound.

Was it the necromancy?

“In a manner of speaking.” Being cagey will definitely help what he has done here. He pauses. Not wanting to lie outright makes reassurance more difficult. “Nothing that would be considered aberrant for a human.”