I mean...there are a dozen different types of summoning spells you can use to command a spirit to do your dirty work, but people don't usually use human spirits for that. [Most of them aren't as, um, versatile as a demon. It's a possibility, but not a super likely one, she judges.

And it wouldn't explain why they disappeared here, of all places.] Not sure I like the sound of that.

[A snort of amusement.] I'm told they don't bite. It might roll across your feet and try to trip you up, that's about it.