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Good news from the world of Westeros
HBO's ever-expanding Game of Thrones universe has another reason for fans to be hopeful. Aegon's Conquest, the long-teased spinoff about Aegon Targaryen's sweeping invasion of Westeros, has reportedly passed a meaningful scripting milestone. Writer Mattson Tomlin shared images of two filled notebooks and hinted at major progress on the screenplay — a sign the project is moving beyond early concept and into serious development.
What Aegon's Conquest aims to be
Unlike previous GoT adaptations that followed George R.R. Martin's novels closely, Aegon's Conquest is being shaped as a dramatized historical epic. Tomlin has described the script as less a line-by-line adaptation and more a cinematic telling of a foundational event from Fire & Blood. The series will dramatize how Aegon Targaryen, with his sisters Visenya and Rhaenys and their three dragons, united (and conquered) the Seven Kingdoms roughly 300 years before the events of Game of Thrones.
Format and studio perspectives
Officially, HBO has signaled it wants Aegon's Conquest developed as a series. Warner Bros. has reportedly considered a grand cinematic approach, likening the potential scope to Dune in scale and spectacle. That dual interest—streaming serial storytelling versus big-screen epic—speaks to the project's flexibility and the franchise's appetite for both intimate character drama and large-scale visual storytelling.
Why the script update matters
Script progress is a crucial barometer in modern franchise production. With House of the Dragon gearing up for Season 3 in summer 2026 and A Knight of the Seven Kingdoms already on air, HBO is staggering releases to keep fans engaged. Aegon's Conquest could add historical depth to the Targaryen saga and offer fresh dramatic perspectives on power, legacy, and the human cost of empire.
Context and comparisons: The tone Tomlin promises—emotional archaeology rather than straight adaptation—recalls how Peter Jackson's Hobbit films expanded source notes into new set pieces, or how House of the Dragon built new characters around Martin's texts. Fans might expect a mix of political intrigue, dragon spectacle, and intimate scenes that reveal motivations behind sweeping historical events.
Fan reaction has been cautiously optimistic on forums and social media. Trivia-minded followers are already debating casting and which battles will make it to screen. Critics will watch whether the series preserves Martin's moral ambiguity or opts for clearer heroes and villains.
Aegon's Conquest remains a project to watch: script momentum is encouraging, but development choices—series versus film, scope versus intimacy—will determine whether this chapter becomes a new pillar of the Westeros saga or a well-crafted footnote.
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