[It is definitely a prison. One Barnabas intends to escape, that's for certain.]

Indeed, there ought to be others similar to us, and they may know what we do not.

[Unlike the two they've spoken to. It stands to reason they can't be the only ones who have retained their senses.]

Mayhap our chances to cross paths with one will improve if we return to the inn. Besides, I cannot imagine you can weather much more of this heat.

[So he says, as if he's not just as sweaty and overheated as Ademnet.]