Onyx Storm
| Author | Rebecca Yarros |
|---|---|
| Language | English |
| Series | The Empyrean |
| Genre | |
| Published | 21 January 2025 |
| Publisher | Red Tower Books (Entangled Publishing) |
| Pages | 544 |
| ISBN | 978-1649377159 |
| Preceded by | Iron Flame |
Onyx Storm is a new adult romantic fantasy novel written by Rebecca Yarros and published by Red Tower Books. Released on January 21, 2025, it is the third book in the fantasy romance Empyrean series, after Fourth Wing and Iron Flame.
The book was listed on bestseller charts by August 2024 due to pre-orders.