
Warning: SPOILERS ahead for Fourth Wing, Iron Flame, and Onyx Storm by Rebecca Yarros.
The Empyrean Series: A Comprehensive Review of the Romantasy Phenomenon
Rebecca Yarros’ Empyrean Series has emerged as a significant player in the romantasy genre, captivating readers with its captivating blend of love, political intrigue, and fantastical dragons. Since the release of its first book, Fourth Wing, in 2023, the series has gained immense popularity, particularly among the BookTok community. Following Fourth Wing, two sequels, Iron Flame and the upcoming Onyx Storm, have further expanded the universe, making the series a hot topic among fantasy enthusiasts.
Though each book brings its strengths and weaknesses, the overall reception showcases Yarros’ ability to intertwine multiple narrative threads effectively. As readers eagerly anticipate the arrival of Onyx Storm in 2025, it is clear that the series still has much to offer, despite some ups and downs along the way.
3. Onyx Storm (2025)
Average Goodreads Rating: 4.51

With Onyx Storm, the latest installment in the Empyrean Series, readers can expect an exciting continuation of the story, as it introduces both new characters and further develops beloved supporting ones, such as Ridoc, Sawyer, Garrick, and Bohdi. The character of Andarna is also explored in greater depth. However, this growth highlights a critical observation: the central relationship between Violet and Xaden doesn’t see significant evolution in this book. Although their dynamic improves compared to Iron Flame, it doesn’t truly advance until the final chapters of the story.
The introduction of fresh lore and new locations enhances the world-building aspect of Onyx Storm, yet some elements may feel repetitive as the narrative progresses. Despite this, the final chapters deliver impactful moments, although they don’t quite match the emotional intensity seen in previous books. The stakes seem lower, with few major character deaths resulting in a somewhat muted tension compared to earlier entries in the series.
Overall, Onyx Storm stands out as the least potent work in The Empyrean Series so far, yet it maintains an enjoyable reading experience, reflected in its commendable Goodreads rating of 4.51. Though it faces structural challenges, the series continues to resonate with its audience.
2. Iron Flame (2023)
Average Goodreads Rating: 4.37

Upon the release of Iron Flame, some fans voiced criticism regarding its pacing and character dynamics. However, this sequel should not be dismissed lightly. Spanning over 600 pages, it successfully deepens the storyline, continuing the aftermath of Fourth Wing as Violet returns to Basgiath while grappling with her traumatic experiences. The narrative escalates the tension between conflicting factions, leading to an engaging exploration of political intrigue and the looming threat of the venin.
While the pacing may stumble at times, these slower moments serve a purpose by enriching the world-building and character relationships, allowing readers to invest in the larger political landscape of Poromiel. The emotional stakes are evident in pivotal scenes, from Nadine’s heart-wrenching death to Violet’s distressing experiences, captivating readers and maintaining engagement.
1. Fourth Wing (2023)
Average Goodreads Rating: 4.58

The series initiates with a remarkable debut in Fourth Wing, which quickly became a phenomenon upon its release. This first book sets the tone with its action-packed plot and high-stakes drama as Violet navigates her first year at Basgiath. The representation of her disability is a standout feature, contributing to the novel’s realistic portrayal and immersive world. Moreover, the development of character relationships feels organic, drawing readers in and fostering empathy.
Violet emerges as an exceptional protagonist, showcasing her resilience and courage while confronting challenges that highlight her underdog status. Her interactions with other characters demonstrate growth not solely in her romantic connection with Xaden but predominantly as she learns to embrace her role and protect those she cares about.
Remarkably, Fourth Wing excels in its pacing, delivering a consistently engaging experience fraught with obstacles and excitement. The climax of the story takes readers by surprise with its intensity, as unexpected elements raise the stakes significantly, culminating in shocking revelations about the venin and wyvern. Liam’s death remains a striking moment, encapsulating the emotional weight carried throughout the series.
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