Onyx Storm
- Title: Onyx Storm
- Author: Rebecca Yarros
- Edition: Piatkus
- Publication Date: January 21, 2025
- Genre: Romantic Fantasy
- Number of Pages: 527
- Language: English
- Format: Hardcover
Onyx Storm is the third book in The Empyrean series, following the global successes of Fourth Wing and Iron Flame. In this installment, Violet faces greater dangers as an impending storm threatens to engulf everything. The characters navigate epic battles and personal dilemmas, offering readers a thrilling and emotional experience.
The series has been praised for its ability to blend romance and fantasy in a captivating way, solidifying Rebecca Yarros as a successful author.