Courtesy of Cooke/D'Arcy/Smith. “ Game of Thrones ” prequel “House of the Dragon” has found more Targaryens. The HBO series has added three more key players to its cast: Olivia Cooke, Emma House of the Dragon arrives on August 21, 2022. Season one consists of 10 episodes that will likely be released on a weekly schedule similar to previous HBO titles. House of the Dragon is set 200 years before the events of Game of Thrones. The highly anticipated HBO series tells the story of House Targaryen at the height of their power. In 120 AC when Lyonel's son, Ser Harwin, was removed as Princess Rhaenyra's sworn shield, Lyonel left the court at King's Landing to accompany him on his return to Harrenhal. He died in a fire at Harrenhal with his eldest son and heir that same year. The fire was considered an accident and blamed on the curse of Harrenhal. Deceit, deception, and destruction befall members of the Stark, Lannister, Targaryen houses and more as they vie for control of the throne and Seven Kingdoms. 'A Song of Ice and Fire' series by .

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