Ormund Hightower is becoming a key player in 'House of the Dragon.' Here's how he dies in the book.

Lord Ormund Hightower makes his onscreen debut in House of the Dragon season three. While his fate is detailed in the original book, Fire & Blood, the series introduces new elements. In episode 4, Ormund Hightower reveals a villainous plot to crown Daeron Targaryen, a development created exclusively for the show. Meanwhile, viewers are questioning whether Aegon II Targaryen's dragon, Sunfyre, remains alive as the narrative progresses through these complex political maneuvers and dragon conflicts.