Rebirth series

The Rebirth series was a fanfiction series that introduces the main goal of Vandenreich and Sōsuke Aizen with everything to that point being a feint, Aizen prepared the way for an ancient prophecy that fated that the Soul King would be defeated, overthrown and absorbed by a youth born to rival him.

Fearing the destruction of the world and the fact that the youth had become close to his own son, the Soul King turned both boys and the youth's sister into the first Vasto Lorde, having learned this Sōsuke Aizen planned to create an Arrancar Army led by himself to overthrow the Soul King on behalf of the destined Destroyer, Juhabach meanwhile reveals that Vandenreich has been worshiping the Destroyer as a God and that the Destroyer would one day bring the dream of all those wishing the destruction of Soul Society come true.