House of the Dragon has already made several substantial changes to George R.R. Martin's Fire & Blood, but few moments proved as emotional as the deaths of Rhaenys Targaryen and Meleys at Rook's Rest. Unlike other more controversial moments from the series, their fates remain broadly faithful to the book, where Rhaenys flies into a trap and Meleys battles Sunfyre and Vhagar before all three dragons crash toward the ground,…