[There's a fire in her eyes as scary-Lydia emerges from her deep slumber. Watch out, Winchester.]

Don't play with me, Dean. The book. The text on mythology. We need that to solve the riddle. And unless you want me to feed you to the animals outside, you'll give that book to Bruce and let us figure this out finally. You sure as hell won't be able to do it on your own. We're wasting time. There could be something inside of it. Possibly a way home. And I, for one, don't want to be stuck here any longer than absoloutely necessary. Got it?