Phylactery

These are the souls that Kato Sei has trapped in her music box.

Ghosts

Suki

Space traveller from when the Expanse was founded, who died when her ship's engines failed and she crashed. Spent much of the intervening time asleep. Has been unable to leave the area of her demise, which is now the Garden of the Lilium Academy. Wants to explore the world with Sei.

Nameless Ghosts

Four spirits who have degraded and lost their identities. They can be controlled, but have no real personalities. Sei will sculpt and name them when she gets time.

Snatch

A large-eyed, cave-dwelling creature in Abyence, who tried to lead the party to a trap before dying of conflicting mind control between Kazou and the Lord of Lights.

Beastmen

Various Beastmen and human souls from the battle on Abyence's surface, used to create an undead army. Gained as well from the battle with the First

The Lord of Lights

Goat-man mage the party met in the underground of Abyence, capable of conjuring clothing and remote-controlling denizens. Was mind-slaved by Kazou after trying to drug the party, and was soulbonded by Sei to go to her at death. Was lost during the final battle, and seems to have died and entered the phylactery.

A

White Flame operative who was researching magic, and went rogue. Turned a school into microchipped zombies and demon-possessed schoolgirls, kidnapped the Lilum Class President for a ritual that would use her soul to create a ward against Angels, and did bad things to Megumi. Evil bitch. Was killed when her power crystals overloaded during the final fight, and Sei's soul-trap captured her fragmented soul. Damaged, possibly beyond repair.

'Sei'

An alternate Sei from another universe - or rather, an alternate Kagura. Was cheated on by that Megumi, and went into a rage, studying Chaos magic and accidentally touching the mind of a 'god', which drove her mad. Killed the Eight, turning most into chaos thralls and Kazou into a crucified zombie, and turned the school into an undead mockery of its former self. Had her soul freed by Sei and Kagura, pulling her out of her chaos-mutated body. Her mind is tremendously broken, maybe irrecoverable, but the Seis are determined to repair her. (In Sei's phylactery only)

Earth Souls

Select souls from Earth, to be used for a specific purpose. Contain the memories of its downfall and its glory. (In Sei's phylactery only)

Demons

Succubus

The demon sent to kidnap Sei and steal the Phylactery. Was trounced by a golem comprised of soil (which Suki used as a body to fight with) and turned incorporeal, which allowed Sei to trap her. Works for the demon Greed, but hates being bound to him (he ugly). Prefers women, and is actually female (possibly). Was incarnated into a choker to give it seductive powers.

Count of Hell

A large, horned demon that came to hunt Mai, and ended up battling the sorceresses. His soul was severely damaged by the combined assaults of Mai, Ragna, and Rin, its tattered remains being absorbed into the Phylactery. Very powerful, requiring the powers of six sorceresses to beat. Currently residing within the sword Rinsei Hunger, created by Rin and Sei's combined power as a demon-eating weapon.