[At that suggestion, he develops an alarmed expression that mirrors hers.]

Absolutely not. I don't know much about it, but it's something that should stay trapped. It eats energy. There used to be four captains... it killed one of them.

[He shrugs, then adds,]

I'll try to find out more, but people don't really discuss this sort of thing as much as I'd like.

What have I told you about the last ship I was on?