"House of the Dragon" gives the Nettles storyline from the original book, "Fire & Blood," to Rhaena Targaryen, who claims Sheepstealer.

'House of the Dragon' Season 3 premiered with the Battle of the Gullet, which killed off a major character in an epic battle.

"For two seasons we've seen Rhaenyra restrained from action, often by her male council," Emma D'Arcy tells Mashable.

"House of the Dragon" has introduced a group of new dragonriders in seasons 2 and 3, including non-Targaryen recruits known as "dragonseeds."

How Rhaena Targaryen claiming Sheepstealer seems to confirm the show is erasing an important George R. R. Martin book character

"House of the Dragon" gives the Nettles storyline from the original book, "Fire & Blood," to Rhaena Targaryen, who claims Sheepstealer.

The House of the Dragon season 3 premiere confirms a major book-to-screen change, with Rhaena Targaryen claiming Sheepstealer instead of dragonseed Nettles. | Web Series