Theo Whiteman / HBOMain parties: The Triarchy vs. Corlys Velaryon's fleet supported by Jacaerys Velaryon, Hugh Hammer, Nettles, Addam of Hull, Ulf White, and their dragons.
The Triarchy is an alliance of cities from Essos that's constantly warring with Westeros and Corlys Velaryon, the Blacks' sea commander, over a chain of islands known as the Stepstones.
While on their way to fight the Blacks, the Triarchy captures a ship containing Rhaenyra's children, Prince Aegon the Younger and Prince Viserys.
Aegon the Younger escapes on the dragon Stormcloud and warns the Blacks.
In addition, the Triarchy hit Jacaerys' dragon Vermax with a grapnel, causing the dragon to fall.
Persons:
Targaryen, Harry Collett, Theo Whiteman, Jacaerys Velaryon, Hugh Hammer, Nettles, Addam, Ulf White, Rhaenyra, Essos that's, Westeros, Corlys Velaryon, Prince Viserys, Rhaenyra's, Jacaerys, Corlys
Organizations:
HBO, Greens, Aegon II, Blacks, Prince Aegon, Younger, Aegon
Locations:
Hull, Essos