Morgana and Morgause along with Cendred ally against Camelot, but Uther and Camelot still do not suspect Morgana. After returning to Camelot, Arthur gathered together a group of knights to make a final assault in the hope of defeating the dragon, even over Uther's protests. Nimueh (portrayed by Michelle Ryan) was an antagonistic, yet beautiful witch. His final words swore vengeance on Uther. Unfortunately, her curse resulted in the deaths of at least four people when she transformed during her two nights in Camelot, prompting an increased hunt for her. While working against the kingdom from the outside, Morgause sent her half-sister to serve as a spy and occasional assassin within the royal household itself. As part of a quest to prove his worthiness to be King, Arthur chose to undertake a quest to enter the realm of the Fisher King and recover his trident, unaware that Morgana had given him an 'Eye of the Phoenix', a gem that drained the wearer's life-energy. Hunith (portrayed by Caroline Faber) is the mother of Merlin. Helios abducts an exiled Gwen, and unbeknownst of her connections with Arthur and Camelot, keeps her as his own. This was revealed in Season 5 Episode 7 when Arthur meets with him and an enchanted Guinevere commissions him to kill Arthur for her, since the skill of his men and his hatred of Morgana makes him the perfect unwitting accomplice. She ultimately fled, leaving Arthur once again in control of Camelot. He then shows huge respect to Lancelot, telling him that he will be the greatest of all Camelot's knights. While Merlin sincerely wants to help her, the warnings of his guardian and Kilgarrah hamstring his intentions, and his fears eventually impact on their relationship; but he advised her to visit the Druids and she does, where one confirms her worst fear - she has magic. However, his efforts to help her begin to turn her heart against Uther forever. As per her plan, she defeated him and spared his life after extracting a promise that he would accept a different challenge from her. Arthur also spent part of the third season being targeted for assassination at Morgana's hands. Merlin, Arthur, and a patrol of knights are heading to Ismere, where Morgana has been capturing patrols of knights to help her find the diamere - a key to all knowledge which will help her learn of 'Arthur's Bane'. On the night of her birthday, Morgana leaves the citadel to meet Morgause to simply celebrate her birthday with her sister, however Merlin assumes Morgana is set to kill Uther, leading to him accidentally throwing Morgana down a flight of stairs. His wife, Ygraine, was unable to conceive, so Uther made a magical deal so she could bear him a son; however, the enchantment cost Ygraine her life. Agravaine de Bois (portrayed by Nathaniel Parker) was the brother of Ygraine and Tristan de Bois and the uncle of Arthur who appeared in the fourth season. Arthur, Merlin, Gaius, Gwen and the knights manage to overthrow Morgana and Morgause when Merlin empties the Cup. Walter Winchell: When Arthur was injured trying to save her from the Great Dragon, they shared a tender moment in front of many (although Gaius was the only one who noticed) as Gwen saw to his wound. Three years later, Sir Gawain's garrison goes missing, and Elyan arrives back from the search party disappointed, with no sign of Gawain, Percival or any of the men. Kara was put on trial before Arthur and the court, where she proudly admitted her role in the Saxon attack, her loyalty to Morgana and her desire to help Morgana in destroying Camelot and Arthur as revenge for how the Pendragon rule had persecuted many of Kara's loved ones. Leon subsequently joined Arthur's makeshift band of knights to launch a final attack on Camelot to rescue Uther, Merlin emptying the Cup of Life and defeating the immortal army while the knights rescued Uther. Morgana soon learns that Merlin is attempting to get back his powers at the Crystal Cave; she travels to the cave where she uses her magic to trap Merlin in the cave for eternity. Lancelot noticed this and decided to leave, considering Arthur more worthy of Gwen's hand. Her plot incited Arthur against Uther, and he nearly killed him. Arthur was enraged and even attacked Lancelot before ordering the both of them imprisoned. After killing Agravaine, Merlin visits the Dragon for help in assisting Arthur (devastated after the betrayal of Agravaine) in proving to himself that he can be the king that Camelot so desperately needs. In the ensuing battle to retake Camelot, Lancelot accompanied Merlin when the warlock set off to empty the Cup of Life of the blood that made Morgana and Morgause's army immortal. He advises Merlin to keep Excalibur out of the hands of evil once he has retrieved it. his servant, Finna also dies protecting the identity of Emrys (Merlin). Although Merlin had planned to leave Camelot with her, Freya attempted to escape on her own, not wanting Merlin to abandon his life for her, only to be cornered by Halig and Arthur's knights just before her transformation. Mordred finally turns against Camelot when the girl he loves is executed for trying to kill Arthur. Though they eventually gained Balinor's willingness to help, mainly because Balinor was saved in the past by Gaius, the older man was killed on the journey back to Camelot. Morgana Pendragon (portrayed by Katie McGrath) is the heretofore unknown daughter of Uther Pendragon and Vivianne- the wife of his close friend and leading military commander, Gorlois; she is the half-sister of Arthur Pendragon and Morgause. In the penultimate episode, "The Fires of Idirsholas", Arthur was visibly devastated when Morgana was seemingly kidnapped by Morgause, blaming himself for having failed to protect her. Just as he remained unaware of Morgana's true loyalties in the third season, Arthur remained unaware of Agravaine's allegiance to Morgana until the end of the season. The Witchfinder correctly suspects Merlin, Gaius and Morgana - his methods are unscrupulous, and in private conversation, it's intimated his techniques were more about power over people, specifically indicated in how he gets Gaius to 'confess'; he told Gaius that he knows Morgana also has magic of some sort, yet never voices this discovery to Uther. The jewel and Sigan's treasure were subsequently returned to the burial chamber and sealed off. With no other way to save the kingdom — conventional weapons and Merlin's magic prove useless — Uther agrees with Gaius's suggestion that they call on the aid of the presumed-dead last dragonlord, Balinor, and Merlin learns this man was his father. So due to his compassion, Arthur and his remaining knights try to get there, but openly (not for Morgana) using Annis' kingdom instead. This reconciliation did not initially last, however, and in "The Sword in the Stone, Part Two", Arthur dismissed her, calling it "a moment of weakness." To return, the Sidhe elders demanded a "princely sacrifice", and Aulfric chose Arthur. According to legend, the Fisher King was struck by a plague that spread to the rest of his land, destroying his people while leaving him immortal but permanently crippled, unable to take any action to halt what was happening to his lands. When Morgana realises this will not stop their relationship, she plants a bag under Arthur's pillow and suggests that Gwen has enchanted Arthur to make him act this way, prompting Uther to sentence Gwen to be burnt at the stake. Gilli decides to compete in the tournament using his full range of skills, his magic being focused through a ring that his father had once possessed. Despite the harsh nature of this meeting, in their next encounter, when Merlin sought advice about a young boy planning to use magic against Uther in a dangerous tournament, the Dragon showed sympathy for Merlin, reflecting that seeing another of their kind die was always hard, but recognized that Merlin could not allow Uther to die at the hands of magic due to the impact it would have on Arthur. However Finna kills herself to avoid breaking under Morgana's torture, once again thwarting Morgana's plans to find out who Emrys truly is. Morgana returns to Camelot where she tortures Elyan for information regarding Arthur's whereabouts; Elyan breaks under torture and tells Morgana that Arthur flees to Ealdor. A dying Morgana is taken to Gaius' chambers where he reveals to a devastated Uther that Morgana has fractured her cranium, and she may die soon. Morgana finally corners Gwen and uses her magic to transform Gwen into a deer, as Arthur is hunting in the woods and will kill Gwen unknowingly on sight. Lancelot's life after leaving Camelot was not an easy one, and he was forced to sell his sword skills for the entertainment of others. When Winchell takes Kurdfeld back to the old neighborhood in the early 1950's, the rain comes and goes suddenly from shot to shot.