Bercouli Synthesis One

Bercouli (ベルクーリ, Berukūri?), also known as Bercouli Synthesis One (ベルクーリ・シンセシス・ワン, Berukūri Shinseshisu Wan?), was a supporting character in the Alicization Arc. He was one of the founders of Rulid Village, as well as the leader of the Integrity Knights, and the oldest Integrity Knight in existence. Bercouli's weapon of choice was the Time Piercing Sword.