He believed the King of Knights in Britain was pure nonsense. He had heard rumors of the King of Britain. Having lost his parents as a child, he was raised by the Lady of the Lake Vivian and thus gained the alias 'Knight of the Lake'. He was originally born and raised in France. It is said that the tragic love story of Diarmuid Ua Duibhne and Grainne later became the story model of Guinevere and Lancelot. Lancelot's downfall began when he fell in love with Artoria's queen, Guinevere. He was extremely loyal to King Arthur as one of the Knights of the Round Table. The 'Knight of the Lake', admired as the strongest even among the Knights of the Round Table. Also known as the Knight of the Lake (湖の騎士, Mizūmi no kishi ?), the person serving as a negative symbol of the Arthurian legend.