What Happens Next to Aegon II in House of the Dragon Season 4?

The premiere catches them outside the city, stopped by Black loyalists who tell the scarred man in front of them to bend the knee to the one true queen, not knowing who they are talking to. They get loose in episode 2, with Aegon killing a soldier himself using a broken arrow, and against Larys’s advice he insists on Rook’s Rest, where Sunfyre fell.

Episode 5 is the turn. Tyland reappears, and Larys tells Aegon to his face that he is a terrible king and, worse, a terrible man. By episode 6 Aegon chooses Essos over Casterly Rock, taking himself off the board. This is a man deciding he is not fit to be king, which is not a thought the book’s Aegon ever has.

Then episode 7 corners him. The army on the road is not even hunting him; it wants Tyland and the treasury gold. Both men tell him to run. He refuses, because running means dying as the brother Aemond murdered rather than as a king. He steps out and names himself, and Sunfyre comes out of the trees.

The episode’s director has said the dragon was never dead. He came close, lay where he fell, and healed, and Aegon being there is part of what pulled him back. Sunfyre returns damaged, and the book never lets him stop being damaged.

What Fire & Blood does to Aegon II next

Fire & Blood has four major turns remaining, in order. They run across the closing Dying of the Dragons chapters, from Rhaenyra Overthrown to The Short, Sad Reign of Aegon II.

He takes Dragonstone. He fights Baela on Moondancer above the island, shatters his legs in the fall, and wins. He refuses milk of the poppy, partly because he will not go back to the drug that clouded him after Rook’s Rest and partly because he does not trust his sister’s maester, then and has Grand Maester Gerardys hanged repeatedly, disembowelled, and fed in part to Sunfyre, leaving what remains for Rhaenyra to find.

He kills Rhaenyra. She arrives expecting sanctuary, is taken, and is fed to Sunfyre in front of her son, the boy who becomes Aegon III.

He is restored, and it does not hold. He returns to King’s Landing, plans a new marriage and new heirs, and sets out to end his sister’s line.

He is poisoned. Arbor red, in his own litter, on the way to the Sept, in the chapter the book calls The Short, Sad Reign of Aegon II. The hand that poisons the wine is never identified, although Gyldayn concludes the murder was carried out at Larys Strong’s behest.

Where the show has already left the book

In the book, Larys helps arrange Aegon’s escape by fishing boat and the story moves on. The show built a whole season out of the road instead, which is why the finale lands at all. The audience has been with him the entire way down and back up.

In the book, Sunfyre’s survival at Rook’s Rest is known: he remains there under guard, recovering and being fed. The show let everyone assume otherwise while leaving the signals in place, which buys a reveal and spends a reunion.

And there is no book scene in which Aemond confesses what he did, or in which Aegon postpones revenge in exchange for his cooperation. That is entirely the show’s, and it changes what the brothers are to each other for whatever comes next.

What season 4 has to solve

Season 4 is the last one, and Dragonstone, Rhaenyra’s death, the restoration and the poisoning are all still unfilmed, as is the Battle Above the Gods Eye, which the book puts before most of them.

The pressure point is simple. The show has made Aegon sympathetic and given him a brother he chose to spare, and Condal has said as much himself. The book requires him to feed his sister to a dragon in front of her child. Season 4 has to take a character the show has deliberately made more sympathetic and lead him into one of the war’s defining atrocities, and it has spent three seasons making that harder for itself.

The other thing to watch is what the show does with the poisoning. The book leaves the hand unnamed but points at Larys, and the show has spent two seasons making Larys the person Aegon has depended on most. Whether it names him outright, or leaves the same gap the book leaves, is the last decision it has to make about either of them.