[She did not ask him to follow her but since he does she at least as the courtesy of leaving the net for him so he doesn't break both his legs. She is not going to take his word on the temple, though. She has no reason to trust his accuracy and it sounds a generic warning if anything.

She glances at him at his sinking statement]

It appears you are. [She, however, is sitting on a small seat of hands anchored to the wall]

That could be kind of doorway platform that moves on sand. Or it could be quicksand that will slowly crush you to death.

[She rests her chin on her hand and watches him]

I wonder which.