Aurora Saku the traitor of the soul society, the woman who become a transcendent being and become one the 5 major war threats in Thousand Year Blood War. She always saw soul king as nothing but a mere pathetic being who sacrificed itself to let the Shinigami run the world while the Quincy become the foes to them. She always had a plan even her imprisonment was a part of her plan. She knows the secrets even the central 46 or even the 13 court guards didnt know. The concept of multiverse and the gateway to travel to the various realities. After the defeat of Yhwach she knew the remaining power of soul king would destroy the realms so she contained it in a purple orb like Hogyoku. She even went of absorbing some powers of Yhwach before he died. She made a clone of herself and left her reality and came to the world of shinobi with her loyal follower's. She came across a boy who was seen as an abomination by his people and thrown out of his family for being not born without chakra. She saw the poor boy struggling for his life, so decided one thing which change not only the boys life but also the fate of the shinobi world itself. She took him as her own son raised him taught him how to fight and most importantly she become a good mother to the boy.