Fractions:

Children of Nagash: A fantical death-cult made up of rebellious and undead High Necrontyr known as the "Liches", led by Hisana and Rukia Kuchiki known as Phirho The Conjurer, and Tara The Artist.

Daughters of Apep: A group of fantical female High Necrontyr who gave themselves to the minor Chaos God Apep of Darkness, they serve as assassins and agents.

Ushabti: Biomechanical warmachines made to resemble birds, mostly vultures, and ravens.

Khamumunzu Dyansty: The newest Dynasty of the Necrons and ruled by Nefekare the Deadbringer.

Hidden Ones: Clones of Yoruichi Shihoin used as assassins and elite infantry of the Khamumunzu Dyansty.

Bandits: Was a well-organized army of criminals, and ex-shinigami and Onmitsukidō's members who were wiped out by the Children of Nagash and the Daughters of Apep and their Ushabti legions.

Alternative Characters:

Nagash's Covenant of Necrontyr:

Phirho The Conjurer: Formerly Hisana Kuchiki, she is actually a undead-High Necrontyr known as a Lich, who used arcane magic to disguise herself upon her and her sisters and followers arrival to the Soul society, she later faked her death and illness.

Tara The Artist: Formerly Lieutenant Rukia Kuchiki of the 13th Division of the Gotei-13, she is actually a undead- High Necrontyr known as a Lich, who used arcane magic to disguise herself upon her and her sisters and followers' arrival to the Soul society.

Daughters of Apep:

Khontho The Cunning: Formerly Suì-Fēng the former commander-in-chief of the Onmitsukidō and the captain of the 2nd Division in the Gotei 13. She is now the leader of the Daughters of Apep.

Khamumunzu Dyansty: The newest Dynasty of the Necrons and ruled by Nefekare the Deadbringer.

Nefekare the Deadbringer: A Necron overlord and formerly Ichigo Kurosaki.

Khepri the Scarab: Formerly Karin Kurosaki, Ichigo's younger sister. She was injured gravely and was kept in a Coma after Aizen attacked the Kurosaki's. She was transformed into a cyborg, housing a massive swarm of Canoptek scarabs inside her modified body.

Khonsu: The former 2nd Division and Onmitsukidō commander, known as Yoruichi Shihōin, she was used to create the Hidden Ones, such as Bastet and Anubis, and was later converted into a liquid Necrodermis form and merged with modified pariah with which she can separate as a separate being to fight, she serves as Nefekare's bodyguard.

Bastet: A clone of Yoruichi Shihōin and twin sister of Anubis, she was created from Yoruichi's DNA she is the co-commander of the Hidden Ones.

Anubis: A clone of Yoruichi Shihōin and twin sister of Bastet, she was created from Yoruichi's DNA she also is in command of the Hidden Ones.

Original Characters"

Bandits:

Baozhai-Fēng: Suì-Fēng's younger sister, who had failed and was exiled from the Fēng, she became the leader of an army of bandits, she was killed during a skirmish by Phirho The Conjurer.