human
Make a concise location description of a eerie scene inside of a medieval tower with a staircase and a ladder.
assistant
The slate grey walls of the tower end, and large panes of glass taper to a point above, creating a massive skylight and window to the heavens above. Five archways ring the room, each one etched with a curious symbol at its apex. Dangling from the skylight, a wooden ladder hangs almost directly over a spiraling staircase that leads into the floor.