| Name | Jack Barlowe |
|---|---|
| Age | 20 (Fourth Wing) |
| Species | Human → Venin |
| Status | Alive |
| Quadrant | Riders Quadrant, Basgiath War College |
| Rank/Title | Cadet |
| Signet | Unknown |
| Eye Color | Glacial blue |
| Hair Color | Blond |
| Dragon Bond | Baide (Orange Scorpiontail dragon) † |
| Appears in | Fourth Wing (2023), Iron Flame (2023), Onyx Storm (2025) |
Contents
Biography
Jack Barlowe is one of the most openly brutal cadets in the Riders Quadrant and one of Violet Sorrengail’s earliest enemies. From his first appearance, he represents the most ruthless side of Basgiath’s survival culture: strength above everything, no sympathy for weakness, and no hesitation when it comes to killing. Over the course of the series, Jack evolves from a violent rival into one of the clearest examples of corruption inside Navarre, eventually revealing himself as venin.
Fourth Wing
Jack first meets Violet on the parapet, where he casually throws another candidate to their death. From that moment on, he singles Violet out as someone who does not belong in the Riders Quadrant and repeatedly makes it his mission to kill her. He is assigned to Third Squad, Flame Section, First Wing, and quickly becomes notorious for the number of cadets who die around him during training.
On Assessment Day, Jack kills another cadet during sparring and continues building a reputation for extreme violence. His hatred of Violet deepens after she survives challenges he believes should have eliminated her. He also sees her as unworthy of Tairn, the dragon he had hoped to bond, which adds jealousy to the hostility he already feels toward her.
When Jack finally gets Violet on the mat, she defeats him by exploiting his orange allergy and poisoning him. Later, during War Games, Violet’s lightning manifests with devastating force and brings down part of a mountain on top of him. Jack is presumed dead, and most of Basgiath believes Violet has finally killed one of her most dangerous enemies.
Iron Flame
Jack survives the mountain collapse and is secretly mended by Nolon over a period of months. His dragon, Baide, keeps his survival hidden from the Empyrean until he is reintroduced to the Riders Quadrant. His return is one of the more shocking reveals in Iron Flame, especially because Violet had every reason to believe he was gone for good.
For a brief time, Jack appears changed. During an assassination attempt, he saves Violet by killing the infantry soldier attacking her and pulling her back from the edge. When Violet questions why he did not use the chance to kill her, he claims that nearly dying gave him perspective and that saving her balances the score between them.
That apparent redemption does not last. During the Battle of Basgiath, Jack reveals his true allegiance in the wardstone chamber. He rides Baide one final time, then seizes her by the horns and drives a dagger into the vulnerable place between the scales of her neck. Baide falls onto the wardstone and bleeds out, extinguishing its flame. Instead of dying with her, Jack survives, exposing that he had already turned venin before killing his dragon.
After the battle, Jack is imprisoned. Xaden later visits him to ask whether there is a cure, and Jack responds with eerie certainty that there is no need for one, making it clear how fully he has embraced what he has become.
Onyx Storm
In Onyx Storm, Jack remains a dangerous captive whose value lies in what he knows. After Violet overhears Xaden’s conversation with him, Imogen erases Jack’s memory of the encounter. Not long after the Battle of Basgiath, venin attempt to break him out of his cell, showing that he is important enough for them to recover. One of the venin involved is Theophanie, but the attempt fails and Jack remains in custody.
Jack is later questioned repeatedly by Nolon and Markham but refuses to cooperate. Violet eventually begins secretly interrogating him with Imogen’s help. Because Imogen can erase his memory afterward, Violet is able to question him again and again without letting him keep the full picture of what he has revealed. Jack is offered either a fast death by oranges or the chance to drain from alloy and stay awake longer. He chooses survival and, in exchange, provides important information about venin, including how lower-ranking venin can be sensed and how the unbonded must be taught to pull from the source.
Theophanie later tries again to reach Jack by using Mira. When she finally sees him, she throws a dagger at him, suggesting that Jack knows dangerous information that even the venin would rather silence than risk losing. Garrick secures Jack inside the Rybestad chest and removes him from immediate danger, keeping him alive but contained.
By the end of Onyx Storm, Jack remains one of the series’ most unsettling surviving characters: a former cadet, a proven traitor, and a living source of information about the enemy.
Physical Description
Jack Barlowe is physically imposing even by Riders Quadrant standards. Violet describes him as having a monstrous, stocky frame and immense strength, enough to toss candidates from the parapet and kill with his bare hands. His size alone makes him intimidating long before his true nature is revealed.
He has blond hair, thick blond brows, and glacial blue eyes. When he is enraged, his face flushes red, which makes his anger even more obvious. Later in the series, his appearance shifts as a visible sign of his corruption, with bright red permanently ringing the edges of his irises.
Jack usually wears standard rider gear, but his appearance is defined far more by his build, expression, and violent presence than by clothing. Even before the venin reveal, he is written as someone who feels dangerous on sight.
Personality
Jack is arrogant, aggressive, and openly cruel. He shows no remorse for killing weaker cadets and fully embraces the idea that only the strong deserve to survive in the Riders Quadrant. In his view, weakness is not something to protect or overcome. It is something to eliminate.
His hostility toward Violet comes from several places at once: contempt for her physical fragility, anger that she keeps surviving, and resentment over her bond with Tairn. Jack sees himself as naturally entitled to power, which makes Violet’s success feel like a personal insult to him.
Even before he is confirmed as venin, Jack already reads as morally corrupt. He is impatient, cocky, and driven by domination rather than loyalty or honor. His later transformation does not feel like a sharp break from who he was. Instead, it feels like the most extreme version of traits he always had.
Powers
Lesser Magic
As a rider bonded to Baide, Jack could use lesser magic before turning venin. This included standard rider abilities such as opening and locking doors without touching them, moving with enhanced speed, manipulating mage lights, powering ink pens, and working with runes.
Veninism
After turning venin, Jack gains the ability to draw power directly from the source rather than through his dragon. This makes him more dangerous and also explains how he survives after Baide’s death. His venin nature becomes one of the most important truths about his character in the later books.
Pain Projection
Jack can force power into another person’s body and cause intense pain. Although this was initially taken for his signet, it is later understood to be a venin ability instead.
Abilities
Jack is brutally strong and relies heavily on physical force in combat. His size, aggression, and endurance make him dangerous even without magic. After turning venin, that threat becomes even greater because his physical violence is backed by corrupted power and a complete lack of restraint.
Dragon
Baide
Jack Barlowe bonds with Baide, an orange scorpiontail known for her aggression. The two seem well matched in temperament, and Baide even keeps Jack’s survival secret after the mountain collapse. That loyalty makes Jack’s eventual betrayal even more disturbing.
During the Battle of Basgiath, Jack kills Baide by driving a dagger into the vulnerable space between the scales of her neck. Her body crashes onto the wardstone and extinguishes the flame. The moment is one of the clearest signs that Jack has abandoned every remaining bond to the riders, the dragons, and Basgiath itself.
Relationships
| Baide | Jack’s orange scorpiontail dragon. Baide matches his aggression and helps conceal his survival after the mountain collapse. Jack later betrays and kills her during the Battle of Basgiath, proving that he values power over even the most sacred rider bond. |
|---|---|
| Violet Sorrengail | Jack’s most consistent target throughout the series. From the parapet onward, he sees Violet as weak, unworthy, and impossible to tolerate, especially after she bonds Tairn. He tries multiple times to kill her, briefly pretends to have changed after his return, and remains one of her most personal enemies. |















