House of the Dragon S3E2 keeps Gwayne Hightower alive, changing book lore

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House of the Dragon season 3 has continued with another massive episode, and this one makes a huge change to George R.R. Martin's Fire and Blood book.

Spoilers for the latest episode follow – turn back now if you're not up to date!

In the latest episode of House of the Dragon season 3 , Rhaenyra Targaryen at last takes the Iron Throne, after Alicent Hightower made good on her word and opened the gates to the Red Keep. Rhaenyra's ascension is not without bloodshed, however, as she executes Otto Hightower, Alicent's father, on her way to the throne.

One major death from the books, though, did not happen in the show. In Fire and Blood, Alicent's brother, Gwayne Hightower, is present in King's Landing, and he's stopped from raising the alarm about Rhaenyra's arrival by the Gold Cloak commander Luthor Largent. Largent tells Gwayne that he's loyal to Daemon Targaryen, then kills Gwayne.

In the show, Gwayne is far away with Criston Cole, and Largent reveals his true allegiance in a dramatic moment in the throne room to defend Rhaenyra from the green guards instead.

How this changes the plot moving forward remains to be seen, as, now, anything could happen to Gwayne as the show goes on.

Another change to the Battle of the Gullet in the last episode might have accidentally erased Daenerys Targaryen from existence , too (though it's a fairly easy fix).

Martin previously railed against changes made to his source material on his Not a Blog page, later telling The Hollywood Reporter his relationship with showrunner Ryan Condal is "abysmal."

House of the Dragon continues weekly on HBO in the US and HBO Max, Sky, and NOW in the UK. Keep up to date with our House of the Dragon season 3 release schedule .

For even more, check out our House of the Dragon season 3 review , or our guide to all the upcoming Game of Thrones movies and TV shows .