A box would make more sense.

But no, the only thing beyond them seem to be clouds at the foot of the wall. I haven't had time yet to look at it in any depth, but the place seems to be as large as the inside of the walls.

[Which is a lot.

...She might not trust this guy, but she's getting the feeling that he's a good person to discuss this with, so she relaxes somewhat. Another mage? Maybe.

She doesn't know enough to hurt anything if he's not trustworthy, after all.]