This being an trial of some kind quickly occurs to Rey as well, having been subjected and witness to many of them in the past. The synthetics running the sky prison had designed many cruel games similar to 'social experiments' to straight up torture, and they weren't much different from their current situation.

Soon she uses the fire to shed light on the walls, examining the environment more closely than before.

"Check to see if you can find any cameras or speakers. Place might be bugged, if someone is watching..."

She can't quite place it, but something tells her that this area wasn't just built here for kicks.