
Onyx Storm
by Rebecca Yarros
The third installment of The Empyrean series follows Violet Sorrengail and Xaden Riorson as they venture beyond the Aretia wards to discover what truly threatens their world.
Check Price on Amazon (paid link)American · b. 1981
Rebecca Yarros is an American romance and fantasy author best known for her Empyrean series, which blends dragon riders, war college drama, and romantic tension.
Rebecca Yarros became a publishing phenomenon with Fourth Wing, the first book in her Empyrean series, which spent months at the top of bestseller lists and attracted readers well beyond the usual fantasy romance audience. The premise — a young woman thrust into a brutal war college where students bond with dragons — is executed with enormous energy. Yarros writes propulsive, emotionally charged prose, and the central romantic tension between Violet and Xaden gives the series a spine that keeps pages turning. Iron Flame and Onyx Storm continue the story with escalating stakes, increasingly complex world-building, and a cast of supporting characters that fans have embraced enthusiastically.
The criticism of the Empyrean series tends to center on its predictability within the romantic fantasy genre and some inconsistencies in its world logic. The books are long and grow longer — Onyx Storm runs to nearly a thousand pages — and readers who prefer tight plotting over sprawling emotional arcs may find the pacing uneven. The romance elements can also feel formulaic to readers who come primarily from literary fantasy.
What the series does exceptionally well is deliver consistent emotional satisfaction. Yarros understands her audience and gives them exactly what they’re looking for: high stakes, genuine peril, satisfying romance, and an addictive world to return to. For readers who enjoy romantasy, these books are among the most enjoyable in the genre.
The explosive success of Fourth Wing made Yarros one of the central figures in the rise of “romantasy,” the hugely popular hybrid of fantasy and romance that has dominated bestseller lists and reshaped the publishing landscape. Although she had written many contemporary romance novels before, her pivot to fantasy proved perfectly timed, tapping into a vast and largely young audience hungry for stories that combine immersive magical world-building with intense, central romantic relationships. Much of the book’s astonishing momentum came from social media, particularly the book-focused community known as BookTok, where readers shared their enthusiasm for the dragons, the high-stakes war college setting, and above all the slow-burning, enemies-to-lovers tension at the heart of the story. The Empyrean series became a genuine cultural event, with new releases greeted by midnight launches, elaborate special editions, and frenzied online discussion. Yarros’s instinct for what this audience craves — emotional intensity, swoony romance, genuine peril, cliffhangers, and an addictive world to inhabit — has been unerring. Her work exemplifies how the contemporary fiction market has been transformed by online reader communities, and how a writer attuned to those readers’ desires can achieve a scale of success that would have been unimaginable a decade earlier.
Although the Empyrean series has eclipsed everything else in the public imagination, Yarros is a remarkably prolific author whose career long predates her fantasy breakthrough. She built her reputation over many years as a writer of contemporary romance and new adult fiction, producing numerous novels across several series, and this deep experience in crafting emotional arcs and romantic tension is precisely what gives her fantasy work its propulsive heart. Her earlier books frequently drew on themes of love, family, resilience, and loss, and she has spoken about how her own life as a military spouse and the mother of a large family, including children adopted through foster care, has informed her storytelling and her recurring interest in courage, sacrifice, and found family. This grounding in genuine emotional experience lends even her most fantastical scenarios a core of authentic feeling. Her productivity is notable: she has consistently delivered books at a pace that keeps her devoted readership engaged, and her transition from contemporary romance to genre-defining fantasy demonstrates a versatility and a command of craft that casual observers, dazzled by the sudden scale of her fame, sometimes overlook. The skills that power the Empyrean series were honed across years of disciplined work.
A fair assessment of Yarros must hold her enormous popularity alongside the genuine critical debates her work provokes. Detractors point to predictability within genre conventions, occasional inconsistencies in world logic, and sprawling page counts that some readers find indulgent, and those drawn from the tradition of literary or epic fantasy sometimes find the romance-forward formula and the prose style not to their taste. These criticisms are not unfounded, and Yarros’s books are unapologetically written for a particular audience rather than for genre purists. But to dwell on them is to miss the point of her achievement, which lies in her exceptional ability to deliver emotional satisfaction with reliability and force. She understands her readers intimately and gives them precisely what they came for: gripping stakes, addictive momentum, a richly inhabited world, and romance that delivers on its promises. The fervent loyalty of her fanbase, the cultural footprint of the Empyrean series, and her role in propelling romantasy into the mainstream all attest to a writer working at the height of her connection with her audience. Whatever the verdict of critics, Yarros has become one of the defining popular novelists of her moment.
For most readers the clear starting point is Fourth Wing, the first book in the Empyrean series and the runaway hit that made her a household name; it introduces the dragon-bonded war college, the central romance, and the addictive momentum that define the series, and it is the natural gateway for anyone curious about the romantasy phenomenon. Readers who are gripped by it should continue with Iron Flame, Onyx Storm, and the subsequent installments in order, as the series builds a continuous, escalating narrative best experienced sequentially. Those who come to Yarros through fantasy but discover an appetite for her emotional storytelling can explore her extensive backlist of contemporary romance and new adult novels, which showcase the relationship-driven craft she honed long before her fantasy breakthrough. New readers should approach the Empyrean books knowing what they offer — high stakes, swoony romance, genuine peril, and immersive escapism — rather than expecting the conventions of literary or traditional epic fantasy. Begin with Fourth Wing; it is the entry point to the world that has captivated millions of readers.

by Rebecca Yarros
The third installment of The Empyrean series follows Violet Sorrengail and Xaden Riorson as they venture beyond the Aretia wards to discover what truly threatens their world.
Check Price on Amazon (paid link)
by Rebecca Yarros
A fantasy romance set in a war college for dragon riders, following a young woman who must survive her first year among the most dangerous cadets in the world.
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by Rebecca Yarros
Violet Sorrengail returns to Basgiath War College for her second year, navigating deeper secrets, more dangerous enemies, and a relationship with Xaden Riorson that is tested by the truths they are both keeping.
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Fourth Wing and Iron Flame are the first two Empyrean books by Rebecca Yarros. Here's how they differ, what each does best, and the order to read them.
list
A Court of Thorns and Roses vs Fourth Wing — fae courts against dragon-riders. We compare both series on world-building, romance, pacing, and who each is really for.
guide
Where to start with Rebecca Yarros — whether to begin with Fourth Wing, Iron Flame, or Onyx Storm. A complete reading guide to the Empyrean series.
reading-order
The Empyrean series reading order explained — from Fourth Wing through Onyx Storm, with context on how many books are planned and what to read next.
list
If Fourth Wing's dragon riders, enemies-to-lovers tension, and high-stakes war magic hooked you, these romantasy picks deliver the same heat.
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