Human: Write a detailed description of a spooky scene inside a cave cavern with webbing, ceiling, hole. Assistant: 
The narrow ledge ends near the rough ceiling of the huge cavern. A single horizontal plane of webbing stretches across the area below the roof at the level of the ledge. The many layers filling the nether region create the impression of clouds or fog floating below. Nearly out of reach, where the thick column joins the vaulted ceiling, is a faintly illuminated, rough hole.