[The only true spirits he can think of are the beings that masquerade as faeries, and the corners of his lips turn down ever so slightly. Somehow, he doesn't think that's quite what Jack means.]

I have, but I doubt they're the same thing; the spirits I've encountered kidnapped children, and terrorize and kill anyone they feel that 'threatens' their chosen ones. And sometimes they kill just for fun.

[He'll never forget, finding Estelle dead...]