Every Character That Fought The Mountain

Gregor Clegane was one of the most brutal characters presented in Game of Thrones, and here’s every character he fought in a one-on-one duel.

Gregor Clegane was one of the most brutal characters on Game of Thrones, justifying his nickname of “The Mountain” and his fearsome reputation. Described as one of the most feared men throughout Westeros, Gregor appeared in all but one season of the HBO series based on George R.R. Martin’s A Song of Ice and Fire novels. Originally played by Conan Stevens, the role was then recast with Ian Whyte before Hafþór Júlíus Björnsson took over as the Mountain for the bulk of the show. During his arc, Gregor did a lot of killing, but he also faced off with a few key figures in one-on-one duels.

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Gregor was an infamous knight known for using extreme violence after serving an oath of allegiance to House Lannister. Based on his enormous size, Gregor was called “The Mountain That Rides,” which was later shortened to “The Mountain.” He was the older brother of Sandor Clegane, another feared man known throughout the nation as “The Hound.” Throughout his time on Game of Thrones, the Mountain acted more like a weapon than a voice of reason of any kind.

Related: Game Of Thrones: Why Sansa Didn’t Go With The Hound During Blackwater

Due to his combat skills and warrior training, Gregor was capable of easily overpowering an opponent if one arose. His strength was why he became such a vital figure in the Lannisters’ forces since he was not opposed to doing the dirty work. The Mountain killed a massive amount of people during his time on Game of Thrones, and many of them were innocent villagers or ill-equipped fighters. When he fought one-on-one with other skilled in combat, however, he didn’t always have the best of luck.

Ser Hugh Of The Vale


The first Game of Thrones character to come face-to-face with the Mountain’s might was Hugh from The Vale of Arryn. The character, played by Jefferson Hall, only appeared in two episodes in the show’s debut season and was a newly made knight when he took part in a jousting tournament meant to celebrate Ned Stark being named Hand of the King. Unfortunately for Hugh, Gregor was also in attendance and competed with the knight in a joust. During the event, Hugh was killed by the splintered lance, and it was later insinuated that the Mountain murdered Hugh at the request of the Lannisters.

Loras Tyrell

Following the death of Ser Hugh of the Vale, the Hand’s jousting tournament continued. Loras Tyrell (Finn Jones) served as the Mountain’s next opponent, and he fared much better than Hugh. The member of House Tyrell purposely used a mare in heat to distract Gregor’s horse and the Mountain ended up losing the joust, resulting in him decapitating his own stallion in anger. Gregor then turned his attention to Loras, attacking him before Sandor intervened. King Robert Baratheon ordered the siblings to stop fighting and for saving his life, Loras proclaimed Sandor the winner of the tournament.

Beric Dondarrion

After the jousting tournament, Catelyn Stark took Tyrion Lannister into custody for the belief that he tried to kill her son, Bran. In retaliation, Gregor was sent to her homeland of the Riverlands to raid villages and torture prisoners. Ned heard of the Mountain’s attacks so he ordered Beric Dondarrion, played by David Michael Scott in season 1, and nearly a hundred men to travel to the Riverlands to execute Gregor. The Battle at Mummer’s Ford broke out, and in the fight, the Mountain came face-to-face with Beric. The Mountain drove a lance through Beric’s chest killing him before claiming victory in the battle. Thoros of Myr ended up resurrecting Beric using the Lord of Light’s magic and he continued serving as a key member of the Brotherhood Without Banners before dying for good during the Battle of Winterfell.

Related: Game Of Thrones: Cersei Is Gendry’s Mother Theory Explained

Oberyn Martell

Pedro Pascal in Game of Thrones

Despite his warring reputation, The Mountain didn’t have a one-on-one fight with someone again until Game of Thrones season 4 at which point, Gregor was still in the service of House Lannister. Oberyn Martell (Pedro Pascal) was introduced in season 4 when he served as a representative for House Martell for King Joffrey Baratheon’s wedding and the eventual coronation of Tommen Baratheon. Oberyn, had ulterior motives while in King’s Landing since he was still upset about the Lannisters’ involvement in the death of his sister. During Tyrion’s trial, Oberyn volunteered as Tyrion’s champion in the trial-by-combat against Gregor. The Mountain turned out to be the one who raped and killed Oberyn’s sister so he wanted to enact personal revenge. The two men engaged in a duel, and even though Gregor killed Oberyn, the member of House Martell managed to gravely injure his opponent by coating his weapons in poison.

The Sparrows

Queen Margaery and the High Sparrow in Game of Thrones

The Mountain was experimented on by Qyburn in an attempt to save the figure’s life after being exposed to deadly venom in his duel with Oberyn. In the period that followed, Gregor turned into a mute zombie-like figure serving as Cersei Lannister’s personal bodyguard and a member of the Kingsguard. In season 6, Cersei was at odds with the High Sparrow and his followers when Tommen was drawn to their religion. When the Faith Militant tried to retrieve Cersei when she wouldn’t comply with their demands, Gregor stood up for his master. One of the Sparrows bravely tried to fight the Mountain, piercing his armor. In his new state, Gregor was undeterred and easily killed the Sparrow by throwing him to the ground before tearing the head off of another member of the Faith Militant.

Sandor Clegane

Game of Thrones made it a point to show that Gregor and Sandor were more like enemies despite the fact that they were brothers. Sandor was known for his scarred face, which he got as a kid when Gregor put his brother’s face over a fire after stealing a toy. While the Hound also served under House Lannister for a time, he went off on his own path, leading to his allegiance with the Brotherhood Without Banners. Sandor briefly fought the Mountain during the season 1 jousting tournament, but they didn’t meet again until season 7. Their tumultuous interaction hinted toward the “Cleganebowl” a term used to describe the boiled over into a battle between the two powerful men. That fight didn’t occur until Game of Thrones‘ final season when the brothers dueled during the Battle of King’s Landing. Some would say the Hound won the showdown since Sandor tackled Gregor, forcing both figures to fall to their deaths.

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Updated: November 8, 2020 — 1:45 pm

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