human
Write a detailed description of a spooky cave in the wilderness with quartz crystals and phosphorescent fungi.
assistant
The ramp slopes severely downward from the hall, ending in a constricted semicircle of a ledge. An unstable wooden railing separates the tangible from the apparent nothingness past all visible surroundings. Unfortunately, the light from the central sanctuary fails to penetrate the darkness beyond the edge, revealing none of its secrets, much to the displeasure of the inquisitive and the delight of the thrill-seeking.