Lucerys Velaryon
Rhaenyra's second son, rider of young Arrax, named heir to Driftmark ÔÇö 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 ÔÇö the Queen's Party.
The fuller tale
Season One
In Driftmark ÔÇö 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 ÔÇö A messenger, not a warrior. It doesn't save him. Jacaerys flies for the Eyrie and Winterfell, Lucerys for Storm's End ÔÇö 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 ÔÇö and Rhaenyra's face, hearing it, ends the peace.
Where they stand. King's Landing, Driftmark and Storm's End.
How it ends for them
On the screen. Taken by Vhagar over Shipbreaker Bay (S1┬ÀE10)
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 ÔÇö Vhagar runs down Arrax over Shipbreaker Bay, and boy and dragon are broken on the rocks and waves ÔÇö 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 ÔÇö 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.