<P> Sandor continues to defend Sansa, including by covering her after Joffrey orders her stripped and rescuing her from being gang - raped during the King's Landing riots . He participates in the Battle of the Blackwater against Stannis' Baratheon's forces, but is visibly horrified when Tyrion Lannister uses wildfire to incinerate much of Stannis' fleet, and ultimately deserts after witnessing a man burning alive in the battle . Before he leaves, he offers to take Sansa north to Winterfell, but she ultimately refuses . </P> <P> In the Riverlands, Clegane is arrested by the Brotherhood Without Banners, a group of knights and soldiers sent by Eddard Stark to kill his brother Gregor and restore order to the Riverlands . While being transported to their stronghold, he meets other members of the Brotherhood who are traveling with Arya Stark, and tells them of her true identity . At the Brotherhood's hideout, their leader Lord Beric Dondarrion accuses Clegane of being a murderer; though Clegane asserts that the murders were done in order to protect Joffrey, Arya testifies that he had killed Mycah despite the boy not harming Joffrey . Lord Beric sentences Clegane to a trial by combat, which Clegane wins to secure his freedom, although Lord Beric is immediately resurrected by the Red Priest Thoros of Myr . Clegane later captures Arya, intending to ransom her to King Robb Stark at the wedding of Edmure Tully and Roslin Frey at The Twins . However, as they arrive at the Twins the Freys turn on the Starks and attack them, and Clegane and Arya barely escape the massacre . </P> <P> With the rest of House Stark believed dead and the Riverlands now under the rule of House Frey, Clegane decides to ransom Arya to her aunt Lysa Arryn in the Vale . During their journey, Arya reveals to Clegane that she has not forgiven him for killing Mycah and has vowed to kill him . The duo arrive in the Vale to find that Lysa has ostensibly committed suicide . Returning from the Bloody Gate, they encounter Brienne of Tarth, sworn sword to Arya's mother Catelyn, who had promised to take the Stark children to safety . When Arya refuses to go with Brienne, she and Clegane engage in a brawl that culminates in her throwing Clegane off a cliff, gravely wounding him . Though he begs Arya to kill him, she instead leaves him to die . </P> <P> It is revealed Clegane had been discovered by a warrior turned septon, Ray, who nursed him back to health . Clegane assists Ray and his followers in building a sept, but one day after a brief journey into nearby woods, he returns to the community to find the villagers slaughtered by members of the Brotherhood Without Banners . Clegane takes up arms again to hunt down those responsible, killing four of them before discovering the remaining three about to be hanged by Lord Beric Dondarrion and Thoros of Myr, who inform him that the group were acting independently of the Brotherhood . Lord Beric allows Clegane to kill two of the outlaws, and asks him to join the Brotherhood in their journey north to fight the White Walkers . </P>

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