Cover of Onyx Storm

Onyx Storm by Rebecca Yarros

The Empyrean Book 3

By Rebecca Yarros

3.9out of 5

Recommended

Onyx Storm widens the Empyrean world and deepens its central magical crisis, but travel, lore, and secrecy continue to compete with character clarity.

Best forEstablished Empyrean readers invested in Violet, Xaden, dragons, romantic conflict, and expanding rebellion mythology.

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Pace
Brisk
Darkness
Gentle
Romance
Central
Difficulty
Accessible
Edition published
Review
Published
Reviewed by
Book Review Guide Editorial Team
Genres & moods
FantasyContemporary Romance

Should you read Onyx Storm?

What works

New regions, alliances, dragon questions, and Violet's urgent search prevent the series from remaining confined to one academy.

What may not work for you

The ensemble is crowded, political geography arrives rapidly, relationship secrecy persists, and the volume remains dependent on another ending shock.

What may test your patience

Island and alliance travel introduces cultures and objectives in quick succession, making the middle feel episodic before convergence.

Does the ending reward the effort?

It delivers major developments but little closure. The final pages change the characters' circumstances and leave the larger story hanging.

Reading Onyx Storm closely

Onyx Storm pushes the Empyrean series into open war. Violet Sorrengail must manage alliances, avoid political traps, and protect her bonds with her dragons while the conflict grows beyond Basgiath.

Every mission asks Violet to lead people who do not share the same information or loyalties. That pressure should deepen her connection with Xaden, but continuing secrecy keeps returning them to arguments the earlier books have already staged. Their intimacy is more convincing than their communication.

New islands, courts, and rebel networks move the series beyond Basgiath, but the middle begins to feel like a tour of alliances. Political geography arrives faster than many secondary characters can become distinct. The dragons retain more individuality because their motives do not always align with their riders.

Content warnings include explicit violence, open-door sex, and wartime destruction. The final pages deliver major changes rather than closure, so begin only if another hard series cliffhanger is acceptable.

Three useful comparisons

Fourth Wing

Fourth Wing remains the focused and essential entry, with a more satisfying academy structure.

Best for: Come for dragons, lethal academy competition, disability-aware adaptation, explicit romance, and fast cliffhanger plotting.

Iron Flame

Iron Flame supplies every immediate magical and political consequence carried into this book.

Best for: Fourth Wing readers wanting more rebellion, dragons, spice, and cliffhangers despite a messier structure.

House of Flame and Shadow

House of Flame and Shadow offers similarly continuity-heavy romantasy spectacle with an even larger established cast.

Best for: Readers current with Crescent City and preferably the wider Maas universe, seeking romance, crossover lore, and maximalist fantasy action.

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Book comparisonFourth Wing vs Iron Flame

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