It's something I've never even heard of until now.

[ So maybe she should be worried. She would be worried if this was a common occurrence where she's from, and it was a threat that she tried to escape from day by day. It isn't, though, so it's met with a little bit of resistance. ]

There also seems to be a lot of people here— wildcards like us. The chances of even meeting this demon you're talking about is pretty low, if you asked me.