How does house of the dragon end

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Last updated: April 8, 2026

Quick Answer: House of the Dragon ends with Rhaenyra Targaryen's death in 130 AC during the Dance of the Dragons civil war, after she briefly rules as queen for six months. Her son Aegon III ascends the Iron Throne, but the Targaryen dynasty is severely weakened, with only four dragons surviving from the original twenty. The series concludes with the establishment of a regency council to govern until Aegon III comes of age, marking the beginning of the Targaryen decline.

Key Facts

Rhaenyra Targaryen dies in 130 AC after ruling for six months
Only four dragons survive from the original twenty at war's start
Aegon III becomes king at age 10 under a regency council
The Dance of the Dragons civil war lasts from 129-131 AC
Rhaenyra is killed by her half-brother Aegon II's forces

Overview

House of the Dragon is the prequel series to Game of Thrones, set 172 years before Daenerys Targaryen's birth during the height of Targaryen power in Westeros. The story focuses on the Dance of the Dragons (129-131 AC), a devastating civil war between two Targaryen factions: the Blacks supporting Rhaenyra Targaryen (daughter of King Viserys I) and the Greens supporting Aegon II (Rhaenyra's half-brother). The conflict begins when Viserys dies in 129 AC after a 26-year reign, leaving conflicting succession claims. At the war's start, the Targaryens control twenty dragons - the largest dragon force in Westerosi history - but the civil war will decimate both the family and their dragons. The series adapts George R.R. Martin's Fire & Blood, covering approximately 30 years of Targaryen history leading to the civil war's climax.

How It Works

The Dance of the Dragons unfolds through a series of dragon battles, political betrayals, and strategic maneuvers across Westeros. The conflict begins when the Greens crown Aegon II immediately after Viserys's death, while the Blacks declare for Rhaenyra from Dragonstone. Both sides deploy their dragons as weapons of war, leading to unprecedented destruction. Key battles include the Battle of Rook's Rest where Rhaenys Targaryen dies, the Fall of King's Landing where Rhaenyra briefly takes the throne, and the Battle Above the God's Eye where Daemon Targaryen and Aemond Targaryen kill each other. The war escalates through shifting alliances, with various noble houses choosing sides based on oaths, marriages, and political calculations. The conflict concludes not through decisive victory but through mutual exhaustion, with most major dragons and riders dead on both sides.

Why It Matters

The Dance of the Dragons fundamentally reshapes Westerosi history and explains the Targaryen decline viewers see in Game of Thrones. The war reduces the dragon population from twenty to just four surviving dragons, ending the Targaryen monopoly on aerial power that had maintained their rule for over a century. This leads to the eventual extinction of dragons until Daenerys's birth centuries later. Politically, it establishes precedents about female succession that echo through later conflicts, including the War of the Five Kings. The regency government established for Aegon III creates instability that weakens the Iron Throne for generations. Culturally, the war becomes a cautionary tale about Targaryen infighting that shapes how later characters view family loyalty and power.