A man with long silvery hair sitting in a regal chair, looking contemplative.
Paddy Considine stars as King Viserys Targaryen on HBO's "House of the Dragon."HBO
  • The first episode of "House of the Dragon" is a must-watch.

  • Aegon Targaryen's dream was revealed in the pilot episode.

  • Ryan Condal is one of the co creators of "House of the Dragon".

"House of the Dragon" starts with a fascinating revelation about the Targaryen family. The tone-setting moment is an interesting one, as it will connect to the different story canons of George R.R. Martin's "A Song of Ice and Fire" book series and the " Game of Throne" TV show.

The prophecy in the "The Heirs of the Dragon" episode is sure to intrigue anyone who wonders how dramatically different the TV show's finale was from author George R.R. Martin's current book.

The first episode of the first season of "House of the Dragon" will be aired next week.

A wide shot of a room with a big dragon skull at its center, light by candles underneath. An old mad and his daughter stand close to each other in front of the skull.
King Viserys and Princess Rhaenyra standing in front of an ancient dragon skull in HBO's "House of the Dragon."HBO

'House of the Dragon' cocreator Ryan Condal says the prophecy Aegon the Conqueror had about the White Walkers was a detail that came from George R.R. Martin

There is no mention of Aegon the Conqueror having a dream about the coming threat from the North in Martin's books.

In the final minutes of the "House of the Dragon" premiere, King Viserys Targaryen tells his heir and daughter that he has a secret.

The end of the world of men was predicted by aegon. It's going to be a terrible winter out of the North.

"Aegon saw absolute darkness riding on those winds, and whatever resides within will destroy the world of the living," he said. The Rhaenyra must stand against the winter. The world of men needs a Targaryen on the Iron Throne. A king or queen is strong enough to bring the realm together. Aegon had a dream about ice and fire.

Daenerys Targaryen and Jon Snow on season seven of "Game of Thrones."HBO

Ryan Condal explained how this scene was based on new information Martin gave him during the early writing process during a press junket. According to Martin, Aegon was a name for Targaryens who had dreams.

The idea that Aegon the Conqueror was a dreamer was given to us early in the story break by George. He often does with huge pieces of information like that.

Condal's perspective on the Targaryens changed and the prophecy was "spun" for the TV show.

Condal said that it changed the way they viewed the Targaryen reign. You don't know if it's going to come true, but Aegon pursued the Conquest because he thought it was an imminent problem.

It takes quite some time for this prophecy to come true with the removal of 300 years.

In both the world of Martin and the world of Benioff and Weiss, prophecy is changeable. Some people have more faith in visions than others, which is because they are unpredictable. A young Targaryen had a dream about the doom of Valyria and it came true. She foresighted and saved the Targaryens from extinction.

King Viserys believes in his dreams about heirs or extinction.

Condal said that they took George's idea and turned it into a movie. At some point in Aegon's life, he probably realized the White Walkers weren't coming for dinner.

A White Walker in season five of "Game of Thrones," directed by Miguel Sapochnik.HBO

If he believed in it enough, he would have passed the idea on. The Iron Throne is a privilege for the Targaryens and they pass it on to their children as a reminder.

"You have to improve the kingdom and make it stronger and more united so that you don't use it as a pursuit for selfish game," he said. As our story develops, we will see how that holds on.

Viserys made a formal declaration of Rhaenyra as his heir to the Iron Throne at the end of the show.

When Aegon's prophecy comes true, there was no Targaryen near the Iron Throne.

Since there wasn't a Targaryen on the Iron Throne when the White Walkers were defeated in 'Game of Thrones,' what does that mean for Martin's upcoming book story?

Cersei Lannister on the Iron Throne in "Game of Thrones" season seven.HBO

Let's take a closer look at what this means for Martin's overall story and our understanding of Benioff and Weiss' story choices in the later seasons of the show.

"House of the Dragon" tells us that the Aegon prophecy was nicknamed the "Song of Ice and Fire" because of a dream in which Targaryen talked about her brother Rhaegar. "Azor Ahai" and "The Last Hero" are two legends that overlap with this prophecy.

There was a lot of evidence in both the books and the show that Jon Snow and the Targaryen family were going to fight against the White Walkers in order to save the world.

The final blow to the White Walkers was dealt by the Night King in the version of the story written by Benioff and Weiss. While sitting on the Iron Throne, she refused to send help for the fight.

Martin had no say in the final four seasons of the show. He stopped writing the script for the show because he needed to write the sixth novel in the "A Song of Ice and Fire" series. We don't know if any of the events in the final season of " Game of Throne" will match with Martin's book, because he is still working on it.

The Night King isn't a character from Martin's books.Ana Pelisson/Business Insider

Martin said in an interview thatphecies are a double edge sword. They can add depth and interest to a book, but you don't want them to be easy to read.

The show didn't meet the prophecy. Was it unfulfilled because Martin hadn't told Benioff and Weiss that detail yet, or because the show decided to make a big departure from Martin's plan?

Fans have to wait to see if the prophecy will be subverted in the book version of the story or not.

As we wait for the next episode of "House of the Dragon" and see how those hangups affect House Targaryen, fans have a lot to chew on.

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