Lucerys Velaryon
Rhaenyra's second son, rider of young Arrax, named heir to Driftmark — a gentle boy who never wanted the Sea Snake's chair and once, in a children's brawl, cost a prince his eye.
A soul of House Velaryon, born at King's Landing, sworn to The Blacks — the Queen's Party.
The fuller tale
Season One
In Driftmark — A child with a knife makes the war's first wound. Laena's daughters and Rhaenyra's sons fall on him in the yard; knives and fists in the dark, and Lucerys cuts out Aemond's eye. In The Black Queen — A messenger, not a warrior. It doesn't save him. Jacaerys flies for the Eyrie and Winterfell, Lucerys for Storm's End — envoys, not warriors. At Storm's End waits Vhagar.
Above Shipbreaker Bay, Aemond's game stops being a game: Vhagar takes Arrax and Lucerys both — and Rhaenyra's face, hearing it, ends the peace.
Where they stand. King's Landing, Driftmark and Storm's End.
Their story
Rhaenyra's second son by Laenor, and named heir to Driftmark in recognition of a claim the court whispers about but no one can definitively disprove, Lucerys is by disposition the gentlest of his brothers — a boy who, by every surviving account, wants no part of the succession politics his birth has entangled him in.
Rider of the young dragon Arrax, Luke's most consequential childhood act is entirely unintentional: cornered by his cousin Aemond during a family gathering gone violent, he slashes out with a dagger in self-defense and costs the older boy an eye — a wound that will define Aemond's entire subsequent relationship to the Velaryon side of the family, and one Lucerys spends the rest of his short life aware he can never fully apologize for.
When the war finally opens, Lucerys is sent to Storm's End on a diplomatic errand rather than a martial one — a message-bearer, not a combatant, dispatched to secure Lord Borros Baratheon's allegiance for his mother's cause at the worst possible moment to be flying anywhere near his one-eyed cousin.
He arrives to find Aemond already at Storm's End on the same errand for the greens, and what should have been a diplomatic standoff between two princes becomes, within hours, the spark that turns a cold war into an open one.
How it ends for them
On the screen. Taken by Vhagar over Shipbreaker Bay (S1·E10)
Sent to Storm's End a messenger, not a warrior, he found Vhagar in the yard and Aemond wanting an eye. Over Shipbreaker Bay, in the storm, the game stopped being a game: Vhagar took Arrax and the boy in one bite, and the Dance began in earnest.
On the page. Run down by Vhagar over Shipbreaker Bay (F&B, ch. 2)
Vhagar fell upon Arrax in the storm over Shipbreaker Bay, and boy and dragon both were broken on the rocks below. Whether Aemond meant murder or lost mastery of his mount, the histories argue; the war that followed did not care.
In the show, Lucerys flees Storm's End into a gathering storm with Aemond and Vhagar in pursuit, and in the darkness and turbulence, whether by command or by Vhagar's own uncontrolled fury, the great dragon closes on Arrax and takes both dragon and rider in a single strike over the black water below.
Fire & Blood's account agrees on the setting and the outcome — Vhagar runs down Arrax over Shipbreaker Bay, and boy and dragon are broken on the rocks and waves — while preserving the ambiguity that defines the whole incident in the historical record: intent, the book insists, cannot be established, only consequence. The war that follows does not wait for the ambiguity to be resolved.
Their chapters, book by book
Where the page and the screen part
Both tellings put Lucerys's death over Shipbreaker Bay in a storm, chased down by Aemond on Vhagar after the confrontation at Storm's End — but they differ meaningfully on intent. The show frames Aemond's pursuit as escalating threat that spirals past his control, Vhagar acting with more violence than her rider commands in the chaos of the storm. Fire & Blood leaves the question of murder versus accident explicitly unresolved, noting that the sources cannot agree whether Aemond meant to kill his cousin or merely to frighten him, and that Vhagar herself, ancient and only partially controllable even by an experienced rider, may bear as much responsibility as the prince on her back.
Their journey
Where the two tellings send them to the same place the road runs whole; where they part, the screen keeps the left and the books the right.