# Onyx Storm by Rebecca Yarros

### Onyx Storm

**Rebecca Yarros** · The Empyrean, book 3 of 5 (ongoing) · [https://houseofareader.com/books/onyx-storm](https://houseofareader.com/books/onyx-storm)

Third year, and the search for an ally who might turn the war moves the story off the continent entirely. Broader in scope than the first two books and more willing to leave Basgiath behind.

- Spice: 4/5 — Explicit. Explicit and regular, in line with Iron Flame rather than the first book.
- Romance prominence: 4/5
- Plot: 4/5
- Worldbuilding: 4/5
- Darkness: 4/5
- Writing craft: 3/5
- Burn: medium
- Tropes: academy, touch-her-and-die, found-family, forbidden-romance
- Creatures: dragons, humans
- Setting: Beyond Navarre, across the islands and the front
- POV: first and third person, dual
- Ending: happy ever after, ends on a cliffhanger
- Audience: adult
- Content warnings: graphic violence, war, death, grief
- Best for: Empyrean readers who are already committed and want to know what happens.
- Last verified: 2026-08-28

## Sources

- https://openlibrary.org/search?q=Onyx+Storm+Rebecca+Yarros

## What to read next

- [Iron Flame](https://houseofareader.com/books/iron-flame) by Rebecca Yarros — spice 4/5. Fourth Wing readers who wanted the spice turned up and the stakes widened.
- [Fourth Wing](https://houseofareader.com/books/fourth-wing) by Rebecca Yarros — spice 3/5. Readers who want competition and banter carrying as much weight as the romance.
- [A Fate Inked in Blood](https://houseofareader.com/books/a-fate-inked-in-blood) by Danielle L. Jensen — spice 4/5. Fourth Wing readers who want the same intensity in a Norse setting.
- [Zodiac Academy: The Awakening](https://houseofareader.com/books/zodiac-academy) by Caroline Peckham and Susanne Valenti — spice 4/5. Fourth Wing readers who want the academy structure and a series they can finish.

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Ratings are editorial judgements applied against a published scale at
https://houseofareader.com/lessons/spice, not aggregated reader scores. Editorial policy:
https://houseofareader.com/lessons/how-we-choose. No affiliate links, no sponsored placements.