Few people have had a tougher go in House of the Dragon season 3 than Corlys Velaryon. That puts him in perhaps the worst place possible as House of the Dragon season 3 reached its climax with the violent Battle of Tumbleton, though he manages to play a pivotal role both before and after the fighting. 1 What does Corlys really want in the House of the Dragon season 4 finale? Game of Thrones was famous for shooting on location, and House of the Dragon is no slouch either, filming across Europe to create the world of Westeros. House of the Dragon is streaming on HBO Max.