Lords of Dread series

The Lords of Dread series was a fanfiction series that replaced the Thousand-Year Blood War arc and introduced Aizen's equivalent to the Royal Guard: the Pesadilla, whom proceed to infiltrate and break out Aizen from Muken using the power of the Fracta to help Aizen regain all his powers and abilities - including Kyōka Suigetsu, before they set out to plan an entirely new attempt at conquering Soul Society and ruling over the Worlds.

Sombra Imperio

 * Sōsuke Aizen
 * Shinda Maryoku
 * Torrente Blanco
 * Shi Yomi
 * Neru Yomi
 * Orochi Maryoku
 * Byakko

Terminologies

 * Sombra Imperio
 * Arrancar Army
 * Espada
 * Pesadilla
 * Hōgyoku
 * Fracta