Onyx Storm cover
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The Empyrean Series 3 Books Collection Set (Fourth Wing, Iron Flame & Onyx Storm) (3 books) ↗

Onyx Storm

Rebecca Yarros · 2025

The Empyrean · Book 3

Spice Level

🔥🔥🔥🔥🔥 explicit, moderately frequent

Tropes

Dragons Dark Academia High Steam Political Intrigue Betrayal Found Family Chosen One Cliffhanger Ending Morally Grey Love Interest Secret Identity / Hidden Power

Content Warnings

Graphic Violence War and Atrocities Death of Major Character

Series Status

ongoing

Protagonist

mortal

Last reviewed: 2026-06-20

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