[Adam doesn't particularly like to use his supernatural charm to get folks to respond to him but, well, between learning about the presence of other angels (and demons) in this place, and not wanting to cheat and simply know all about Wonderland without anyone talking to him, he couldn't resist. Besides, it's not like he's saying folks have to reply. Yes, it's skating a thin line between free will and not, but it's one he's comfortable with given the situation.

He studies Castiel for a few seconds before nodding his head slightly.]

Yeah, I reckoned it was something like that. Never heard of a place keeping folks stuck before, though. Seems a little funny, if you ask my opinion. [Not that anyone is asking him but he's hardly letting that stop him. But moving on.] So how long've you been here, Castiel?