Sozin Kuchiiki

Sozin Kuchiki is a member of the Kuchiki clan and a former Shinigami. He was extremely talented and was a big representative of the Kuchiki Family with his immense strength. He is the father of Jiro Kuchiki, Rikuro Kuchiki, and Asuka Kuchiki. During a battle against 3 fallen Arrancar, Sozin started looking for their famed master. After defeating them, they tell him where he is located, The Temple of Shijo Aizawa. When confronting him he realizes on the throne is his long lost twin brother Hamura Kuchiki. After a conversation Sozin realizes that he can't convince. In the fight between the famed Twins of Heaven, Sozin kills Hamura. They shared memories about the past and how fun it was to be with each other and to fight with one another. Before in the fight Hamura put a spell called Akueikyo(meaning evil inflence on Sozin. He fought it, but gave in a year later. He put himself in Kurohitsugi along with a seal to keep himself from the world. A pupil of Hamura eventually unsealed him only to spot his demise at the hands of Sozin for unsealing him. Sozin attacks the Soul Society.