human
Make a concise location description of a spooky scene inside a cave cavern with a cavern wall and a boulder.
assistant
A huge cracked boulder has fallen into the path and now leans heavily against the cavern wall. Passage is possible on one side of the massive stone, but it's a long drop into steamy, sulphur-scented water below, through the hole where the cavern wall gave way under collision with the boulder.