the witnesses give either incomplete or entirely false testimonies to implicate Tyrion and Sansa further in the murder. When Tyrion demands a trial by combat, Cersei chooses Ser Gregor "The Mountain" Clegane as royal champion, to further diminish Tyrion's chances, and bribes Bronn via betrothal to a noblewoman, to secure his veto as Tyrion's champion. Cersei's wish comes true when Tyrion's champion, Oberyn Martell, is killed by Clegane. She still refuses to marry Loras, threatening even to reveal the truth of her incestuous relationship with Jaime and their three blond children. Tywin is killed by an escaping Tyrion soon afterward. Season 5 Cersei receives a threat from Dorne, where Myrcella is betrothed to Trystane Martell, and sends Jaime to Dorne to retrieve her. Tommen is married to Margaery, who tries to manipulate Tommen into sending Cersei to Casterly Rock. Fearful of losing her power, Cersei meets the religious leader, the High Sparrow, appoints him as the High Septon, and gives him authority to re-establish the Faith Militant. In order to destabilise House Tyrell, Cersei arranges for the High Sparrow to arrest Loras for his homosexuality, and have Margaery also arrested for perjury after lying to defend Loras. However, Cersei's plot backfires when Lancel, now a member of the Faith Militant, confesses to his affair with Cersei and his role in Robert's assassination, and accuses Cersei of incest, prompting the High Sparrow to arrest her. Cersei is eventually allowed to return to the Red Keep after confessing to having committed adultery with Lancel, but has her hair cut off and is forced to walk naked through the streets of King's Landing as atonement. Cersei returns, distraught from the abuse directed at her by the smallfolk of King's Landing, but is consoled by Qyburn's successful reanimation of Ser Gregor Clegane. Season 6 Cersei remains in the Red Keep, confined to her chambers and stripped of her authority. Although she accepts Tommen's apology for his lack of action in her arrest and walk of atonement, she remains looked down upon by other members of the court. Cersei learns from Tommen that the High Sparrow plans to have Margaery do a walk of atonement before Cersei's trial and conspires with the Small Council to have the Tyrell army march on the Sept of Baelor to secure Margaery's and Loras' release. Their plan backfires when it is revealed that Margaery has joined the Faith of