LuCiel

The Lord of Terror who crushes her enemies with demonic beasts.\n\nLu and Ciel becomes increasingly tired of fending off attacks\nfrom endless assassination attempts.\nWhen they were finally about to break from exhaustion,\nLu regains her ability to 'control terror'.\nShe starts slaughtering their enemies, invoking true terror among their foes.

Chiliarch

The most terrifying assassin who destroys his enemies with the Blade of Abyss.\n\nAs Lu's power becomes stronger, Ciel's body and mind corrupts faster.\nAs a former hitman, Ciel understands how to utilize the power of terror instinctively.\nCiel awakens and accepts this new power as the Lord of Terror\nto protect everything that is dear to him.

Dreadlord

Demon Lords of Terror that crushes all enemies before them.\n\nAfter fighting against stronger enemies,\nCiel finally persuades Lu to leave his human side behind\nto be reborn as a full-fledged demon.\nNow, Lu and Ciel are no longer tied by contract,\nbecoming equals as the new Demon Rulers of the Terror.

Catastrophe

A well-trained butler for the true Lord of the Demon World.\n\nCiel, who is no longer limited by a fragile human body,\nattempts to return Lu to her rightful place,\nturning into a very competent butler.\nWith Ciel's blood, sweat, and tears now on her shoulders,\nLu reaffirms her decision to regain what is rightfully hers.

Royal Guard

A Demon Lord that controls the spirits of the abyss.\n\nLu reclaims her power with Ciel's help.\nLu recovers a fragment of power from her past self\nalong with an artifact handed for generations in her family.\nThis artifiact allows her to control the spirits of the abyss.\nWith it, Lu hastens her pursuit on the demons that betrayed her.

Noblesse

Demon sovereign of Abyss, supporting one another as each other’s shield and spear.\n\nUsing the ancient weapon 'Sefirot Phantasma,'\nLu and Ciel acquires the ability to temporary merge their souls as one.\nUsing this unique feature of the weapon,\nLu and Ciel achieves greater power combining both their powers\nand is now one step close to retrieving their throne.

Innocent

The merciless demon ruler with a cruel nature.\n\nOn the brink of death, Lu regains her immense demonic energy.\nWith overflowing power, she subdues all that stands in her way,\nslowly turning in to a cruel demon ruler of destruction.

Diabla

A demon of destruction overflowing with demonic energy.\n\nThe explosive demonic energy starts to consume Lu, which in turn affects Ciel.\nLu's overflowing demonic energy consumes Ciel, forcefully transforming him into a full-fledged demon.\nEventually, Ciel gives in to the demonic energy and becomes completely subservient to Lu.

Demonio

The Demon Lord of Destruction with superior power and her most loyal follower.\n\nLu was slowly recovering her demonic powers until the day the El was restored.\nA dark demonic energy surrounded her body, giving her the power of absolute destruction.\nCiel accepts the overwhelming demonic energy from Lu,\ndutifully following her violent tendencies as her loyal shadow.\nThey go on a hunt, to find a new toy for the Demon Lord of Destruction to play with again.

Diangelion

The Lord trapped in futility after the second soul contract\n\nWhen Ciel receives a fatal wound\nfrom the on-going assault from the demon assassins,\nLu decides to attempt another soul contract to save Ciel.\nThough it was a bet unlikely to succeed,\nCiel manages to stay alive.\nBut because of the taxing nature of the contract, Lu's senses begin to dull\nand her emotions begin to fade as she is trapped in this sense of futility.\nThe fathomless sense of futility\nmanifests as ID and destroys enemies.

Emptiness

The vassal stuck in twisted sense of responsibility\n\nCiel feels great demonic energy and the changes in his body\nfollowing the second soul contract and receiving most of Lu's soul.\nWhen Lu's emotions fade away after the contract,\nCiel believes this to be his fault. He continues the investigation by brutally slaying the demons\nto find more clues about the soul contract, but could not find anything.\nAs Lu's condition begins to worsen, Ciel's self-blame and guilt\nbegins to settle in a twisted sense of responsibilities\nand, with powerful demonic energy, manifests as EGO.

Turbids

Lord of futility and the merciless vassal\n\nThe continuous battle gave Ciel stronger demonic energy and greater control over it.\nHis guilt towards his enemies also faded, allowing him to be more brutal towards anyone that stands in his way,\nbut even with all these efforts, he couldn't find a way to get Lu back to how she was.\nAs she sees Ciel's dedication,\nLu feels warm emotion and extends her hand towards Ciel,\nand Ciel sees this as his efforts coming to fruition.\nLu does not care about the throne or regaining her power\nand only wish to be with Ciel wherever he leads her,\nbut Ciel believes that everything will be back to how it was\nif Lu regains her throne and power and begins destroying everything in his sight.

[Enhanced] Trigger-Soul Eruption