The Mountain Got Killed. Martin and its television adaptation game of thrones in the books the character is initially introduced in 1996 s a game of thrones he subsequently appeared in a clash of kings 1998 a storm of swords. He was also killed.

One of the show s main characters was gruesomely beheaded by the mountain at cersei s request. You killed her oberyn yelled at the wounded clegan. Ser gregor clegane was a knight of house clegane the older brother of sandor clegane and a notoriously fearsome extremely lethal and much feared warrior with a tendency toward extreme and excessive violence.
Gregor clegane nicknamed the mountain that rides or simply the mountain is a fictional character in the a song of ice and fire series of fantasy novels by american author george r.
The hound and his brother gregor clegane a k a. However the mountain flipped over and killed the red viper in the same manner he killed his sister gouging his eyes and then exploding his head. Due to his incredibly massive size he is called the mountain that rides or more often simply the mountain after being poisoned in a duel with oberyn martell gregor almost. In any case the man who would know best qyburn can t deliver the answer.