House of the Dragon season 2, episode 5 deals with the heartbreaking fallout of Rook's Rest – and one moment in particular could be setting up another tragedy from George R.R. Martin's Fire and Blood.
Now, before we go any further, the following will deal with major spoilers for episode 5 and the book, which means it could also spoil the future of the show. Turn back now if that's not what you want!
