The Siege of the Vices

Lore & Background

In the world of Fourth Wing, dragons are not merely mounts but partners, co-equal beings whose bond to a rider is the foundation of the kingdom's defence. The war that rages across the continent has been ongoing long enough that an entire generation of cadets at Basgiath War College has grown up assuming it will simply continue until they are old enough to ride. The Vices represent the opposing force that has kept that war alive, and the Siege is the moment their strategy shifts from attrition to a concentrated, devastating push that tests whether the riders are truly ready.

What makes the Siege of the Vices distinct from a generic battle sequence is the layered political context. The war college is not a neutral institution; it is entangled in the same power structures that shape the war's conduct. Decisions made in the command hierarchy ripple down to the cadets, and the dragons—sentient, proud, and increasingly scarce—carry their own grievances and agendas. The Siege exposes how much of the war's machinery depends on trust between rider and dragon, and how fragile that trust becomes when the stakes are survival.

For Violet, the arc is also deeply personal. A small, underestimated woman who was never meant to be a rider, she has spent the narrative proving her worth in a system designed to break her. The Siege of the Vices is the proving ground where her worth is tested not in a classroom or a sparring ring, but in the full, terrifying reality of aerial combat, political betrayal, and the possibility that the people she has come to love will not survive the night.

In Their Own Story

The sky over the warfront is the colour of a bruise, purple-black and swollen with smoke. Violet feels Tairn's wings flex beneath her, the vast membrane catching a thermal that shouldn't exist in this season, and she knows before she sees it: the Vices are here. Not a patrol. Not a probe. A wall of winged shadow descending on the ridge where the third-year cadets are supposed to be drilling.

Xaden's voice crackles through the bond, low and rough with the kind of calm that means he is furious. "Sorrel. Stay with me. Stay with me and we fly."

She grips the leather of her saddle, feels the dragon's heartbeat hammering against her spine like a second pulse, and watches the first Vices rider peel away from the formation to carve a line of fire across the sky. The air smells of ozone and scorched pine. Somewhere below, a cadet is screaming.

Tairn roars. Not a sound. A pressure. A wall of heat that pushes the smoke aside and makes Violet's teeth ache. She is small. She has always been small. But in this moment, with the dragon's fire pouring from her throat and the Vices scattering like ash in a gale, she is the largest thing in the sky.

The ridge holds. For now. But the Vices do not retreat. They circle, patient as wolves, and Violet understands with a cold clarity that this is not the end. It is the beginning of something far worse.

Reader's Guide

The Siege of the Vices unfolds as the war stops being theoretical. The cadets of Basgiath War College, who have spent their training in controlled exercises and political posturing, are thrust into a concentrated enemy assault that tests every bond, every assumption, and every chain of command they have been taught to trust. The trigger is a strategic shift by the Vices: rather than continuing a war of attrition, they commit to a direct, overwhelming push on the front lines where the newest riders are stationed.

Violet Sorrengail drives the arc from the ground up. She is not a general, not a political figure—she is a rider who was never supposed to be here, and yet the Siege forces her to make decisions that ripple outward. Her bond with Tairn becomes the axis around which the battle turns, and her relationship with Xaden Riorson is tested in ways that go beyond romance into questions of trust, command, and whether love can survive the machinery of war.

The emotional throughline is the collision between institutional loyalty and personal loyalty. The war college tells the cadets to obey, to sacrifice, to trust the hierarchy. The Siege reveals that the hierarchy has its own agenda, and that the dragons—whose lives are being spent as currency in a war they did not choose—carry a grief and a fury that no human command can fully contain. Riders must decide, in the heat of combat, whether they serve the institution or the person in the saddle next to them.

The ending state of the world is one of shattered assumptions. The Vices have been repelled, but not destroyed. The dragons are fewer. The political structures that the riders were taught to revere have shown cracks that will not heal. Violet survives, but the version of herself who walked into Basgiath as a small, uncertain scribe is gone. What remains is a rider who has seen the full cost of the war and can no longer pretend it is someone else's burden. The Siege of the Vices does not end the war. It ends the illusion that the war can be fought from a distance.

Did You Know?

• Fourth Wing was published in 2023 and became a massive bestseller, with readers praising its blend of military fantasy, dragon-bonding, and slow-burn romance in a way that felt distinct from the broader 'dragon rider' ge
• The dragon-bonding system in the series is portrayed as a genuine partnership rather than a master-and-beast dynamic; dragons have their own agency, memory, and emotional depth, which shapes every major conflict in the n
• Violet Sorrengail was originally assigned to a scribe track, making her presence in the war college a deliberate subversion of the expected narrative arc for a physically small, unremarkable protagonist.
• The war college setting functions as both a training ground and a political microcosm, meaning that battles of strategy, loyalty, and power are fought in the corridors and command rooms just as fiercely as in the sky.