10 deaths in 'House of the Dragon' that were significantly changed from the book

Tommy Flanagan and Archie Barnes as Roderick Dustin and Oscar Tully in "House of the Dragon." Theo Whiteman/HBO HBO's "House of the Dragon" is adapted from "Fire & Blood," a fictional history of House Targaryen. Multiple deaths in season three are notably different from their descriptions in the book. In earlier seasons, the deaths of characters like Laenor and Rhea were portrayed in unexpected ways. Warning: Major spoilers through the "House of the Dragon" season three finale. "House of the…