Fourth Wing

Unofficial fan guide · Last updated October 4, 2026

Fourth Wing is the first novel in The Empyrean, Rebecca Yarros's romantasy series, published in 2023 and a fixture on the New York Times bestseller list ever since. It is the book that made "dragon rider academy" a genre conversation again, and it is where almost every reader meets Navarre, Basgiath War College and the word dragonkind for the first time. If you're trying to work out whether to start here, what order the series runs in, or which dragon belongs to whom, this page is the map.

◆ What is Fourth Wing about?

The story opens in the kingdom of Navarre, a realm protected by magical wards and defended by an army that rides dragons. Every year, young Navarrians are conscripted into one of the war college's quadrants. The most dangerous — and the most prestigious — is the Rider's Quadrant at Basgiath War College, where cadets train to bond a dragon and become riders.

The catch is that the entrance process is designed to be lethal. Cadets are thrown onto the parapet in a storm, cross a bridge a single misstep wide, and then face a year in which the obstacles get progressively worse. Surviving the course earns you the right to stand in the Threshing Valley and be looked over by dragons who may decide you are worth bonding with — or decide to end you where you stand.

That structure is the engine of the novel. It gives every chapter a cost, forces the cast into alliances they'd never have chosen, and turns the question of who walks away a rider into the book's central tension. Underneath it all, though, is a political story: Navarre is at war with its neighbour Poromiel, something else is stirring on the borders, and what the college teaches its cadets is not quite the truth.

◆ Violet Sorrengail

The protagonist is Violet Sorrengail, the daughter of Navarre's most decorated general. She was raised for the Scribe Quadrant — books, records, research — and everything about her training points away from the Rider's Quadrant. Violet is physically slight, not built for the Gauntlet or the sparring mats, and she knows exactly how unlikely her survival is. She enters anyway.

Her arc is the reason the book works. Violet does not survive because she is secretly the strongest person in the room; she survives because she is the best-read person in the room. She studies the dragons, memorises the approach protocols, notices the details nobody else bothers to check, and uses information as a weapon in a place that only respects raw force. That is also why her eventual bonds are what they are.

Around her sits a strong supporting cast: her sister Mira and brother Brennan; her childhood friend Dain Aetos; and the friends she gathers in her own year, including Rhiannon, Ridoc, Sawyer, Liam Mairi, Bodhi Durran, Garrick Tavis, Imogen and Aaric Graycastle.

◆ Xaden Riorson

Xaden Riorson is the other pole of the novel: a wing leader, one of the most capable riders in the college, and a man whose family history makes him a target before he ever speaks. He is the son of a man executed for rebellion, which places him — and the other children of the failed uprising — in permanent danger inside Navarre.

Violet and Xaden begin as adversaries with every reason to distrust each other and end as the series' central relationship. Xaden is the textbook morally grey love interest: competent, guarded, capable of brutal decisions, and holding secrets that reframe the entire plot. His dragon is Sgaeyl, and the bond between their dragons is one of the reasons the two of them cannot simply avoid each other.

◆ The dragons of Fourth Wing

Dragons in this world are organised into colour dens — black, blue, green, red, orange, brown — and each den carries its own reputation and rules of approach. Some dragons are famous in their own right:

• Tairn — a black Morningstartail, one of only two known blacks, over a century old and the second-largest dragon on the continent. He bonds Violet, and he is mated to Sgaeyl.
• Sgaeyl — a blue Daggertail, the most powerful blue in active service, bonded to Xaden, and Tairn's mate.
• Andarna — the golden feathertail who also bonds Violet, making her a rare double-bonded rider. Andarna's adult colour is one of the series' biggest open questions.
• Codagh — the only dragon larger than Tairn, a black bonded to General Melgren.
• Teine (green, Mira), Feirge (green, Rhiannon), Deigh (red, Liam), Sliseag (red, Sawyer), Aotrom (red, Ridoc), Baide (orange, Jack Barlowe), Marbh (orange, Brennan), Aimsir (brown, General Lilith Sorrengail).

The single most important rule is that the dragon chooses the rider. No cadet gets a vote. Approach protocols exist because getting it wrong is fatal: greens expect a lowered gaze and no retreat, reds should never be met eye to eye, and blacks are the most particular of all. The full breakdown of every den, tail type and bloodline lives in the dragon colors guide, and every named dragon is in the dragon database.

◆ Conscription Day, the Gauntlet and Threshing

Three rituals structure the cadet year, and all three are worth knowing before you read:

• Conscription Day — the day new cadets are sorted into quadrants. Choosing the Rider's Quadrant is effectively choosing the most dangerous path in Navarre.
• The Gauntlet — a brutal obstacle course run in the first days, over a lethal drop. Survive it and you qualify for Threshing. Fail it and your story ends there.
• Threshing — the ceremony held every year on October 1, where willing dragons come down to the Valley and evaluate the surviving cadets. A dragon may bond you, ignore you, or kill you.

Threshing is the reason the series has a spin-off book at all: Threshing Day (2026) retells that single morning from thirteen different cadets' points of view. It also gave its name and its date to dragonkind.com, the official interactive experience that launched on October 1, 2026.

◆ Bonds, signets and the Empyrean

When a dragon bonds a rider, the link runs both ways. The rider gains a signet — a unique magical ability shaped by the bond — and the two share a mental channel that makes them, functionally, one unit. Violet's signet is lightning. Xaden's is shadow. Mira's extends the wards; Liam's was far-sight; Sawyer's is metallurgy; Rhiannon can pull objects through space; General Sorrengail commands storms.

The bond also has a hard edge. If a bonded dragon dies, its rider almost always dies with it. Mated dragon pairs — like Tairn and Sgaeyl — cannot be separated for more than three days without serious harm to both. That is not a detail; it is the reason the war college keeps mated pairs in the same wing, and it is a weapon the plot uses more than once.

Above all of it sits the Empyrean: the dragons' own governing council, which answers to no human authority, holds closed meetings that bonded riders are not told about, and decides questions of alliance and territory on its own terms. Dragonkind's alliance with the First Six — the original riders, some six hundred years before the story — is what raised the wards in the first place. For the full picture of how that civilisation works, start with what dragonkind means.

◆ Where it sits in the series

Fourth Wing is book one of The Empyrean. The main sequence continues directly:

1. Fourth Wing (2023)
2. Iron Flame (2023)
3. Onyx Storm (2025)
4. Threshing Day (2026) — a companion collection of thirteen Threshing stories, not a main-line novel
5. Untitled Book Four — in progress
6. Book Five — planned

Threshing Day can be read at any point after the trilogy without spoiling anything or being spoiled: it revisits a ritual Violet already lived through, and Yarros has described it as a companion rather than required reading. There is also a graphic novel adaptation in the works, a board game, and screen adaptations in development. The full sequence, with release dates and where each book fits, is on the Fourth Wing reading order page; for the world rather than the bookshelf, see The Empyrean series explained.

◆ How to start reading

Start with Fourth Wing itself. It is written as an entry point: the world is introduced alongside Violet, so you learn the dens and the rituals at the same pace she does, and nothing in the later books is required to follow it.

Two things make the first read better. First, keep the dragon database open — the cast of dragons grows quickly and it helps to know which den each one belongs to. Second, don't skip the approach protocols: they look like throwaway worldbuilding early on and turn out to be the rules the entire series runs on.

If you have already finished the trilogy and want more, the natural next step is the Threshing Day collection for the same events from other people's heads, or the books like Fourth Wing list if you want something adjacent while you wait for Book Four.

◆ Frequently asked questions