In what ways does the passage end on a sinister note?

1. The mention of the "vast desert" and "great silence" creates an eerie and desolate atmosphere, suggesting that something ominous lurks beneath the surface.

2. The allusion to the "lost arts and legends" hints at a hidden knowledge or power that is both alluring and dangerous.

3. The repeated phrase "they waited" builds a sense of anticipation and suspense, leaving the reader wondering what exactly these unknown entities are waiting for and what their intentions might be.

4. The passage ends abruptly without providing any resolution or explanation for the strange occurrences, leaving the reader with a lingering feeling of unease and uncertainty.