You begin to mull around the idea that maybe there’s some mystical elements involved here. Not like the Elements of Harmony, more like fire, ice, electricity, et cetera. If that were true, what would it mean? How would you be able to use that?
You can be pretty sure that the fog is just water vapor. Cold air outside mixing with the hot air inside. If you closed the door it would probably dissipate. Of course, closing the door all the way presents its own dangers.
You can’t locate the source of the heat, as it seems to come from all around, sans outside. But the warmth takes hold of you and you’re once against drifted into fantasy land with the giant shadow. Trotting together, watching the sunset, it attacking your town. You give yourself a good slap across the face and refocus. Ow! That was a little harder than you intended.
You’re fairly certain the echo was your friends, but just the same you quietly head down the center hall behind them and peek around the corner to get a visual.
…
Yeah, it looks like it’s them. They don’t see you yet, though. They’re looking around at the doorways. There’s quite a few. The hall you went down ends in what appears to be a circular T-intersection and doorways line both sides. No doors; just doorways. Doors were probably removed like everything else.