In House of the Dragon season 3 episode 3, we learn that the green forces have continued to fight, despite Rhaenyra ascending the throne, and they have successfully taken the town of Tumbleton.
This is actually a hugely significant location in George R.R. Martin's Fire and Blood, and it spells big trouble for Rhaenyra. Below, we've explained everything you need to know about Tumbleton in both the show and the book – though, that means there are major book spoilers ahead, which will most likely reveal the events of future episodes of the show. Turn back now if you don't want to know what might happen next!
