Scene Type: Large, completely seale...

Scene Type: Large, completely sealed, multi-level subterranean chamber (an underground structure). The entire space is an enclosed cavern/vault complex carved from living rock, with no holes, skylights, or outside light sources. Upper Level (Ascending Staircase Area): Enclosure: A massive, natural-rock cavern with a high, vaulted, stone-ribbed ceiling (like a Romanesque or Gothic vault) that is entirely closed at the top. Access: A heavy, ancient, closed wooden double door with ornate ironwork set into the rock wall at the very top of the chamber, representing an upper entrance. This is the only door, and it is closed. Main Feature: A grand, curving, winding staircase with stone steps and wooden risers that spirals upwards along the cavern wall, connecting the lower level to the upper