Edward of Oath

•Eternal Rings: It is a technique that consists of throwing cosmos rings, which causes the victim's brain to be held with the rings to sink it into the Lake of the Oath, its basic functions that keep its body alive, such as moving.

Edward is transported by Horkos of Oath to the celestial Eden, more specifically to the River of Oath, where he meets once again with Mii, after a brief encounter where they barely recognize each other Horkos appears where he says he will kill them for breaking their promises and with an attack destroys the platform where they were standing dropping the 2 into the water with the unconscious, Mii with effort takes him out of the water where when Horkos of Oath comes out she was waiting for them taking possession of Edward's body and attacking Mii, the Saintia is easily freed from the attack as she is focused on handling water. After a brief fight, a lily is born from Mii's heart, being the flower of the oath, Mii offers her body along with the Flower to the Dryad to free her friend by stripping off her armor, when Horkos wants to possess her and corrupt her she accepts. At the time of exchanging bodies, where Edward falls unconscious, the Dolphin Cloth that fell deep into the lake comes into contact with the Kazashi and re-emerges from the waters where Mii with her power frees herself from Horkos' control, embeds the Kazashi in her leg and attacks with Heaven's Grand Maelstrom where she destroys the Dryad. After that Edward wakes up happy to see his friend again, where he asks Mii about how she, who was a normal girl, ended up involved in that, she replies that it was because of the person she decided to protect, not having enough strength after being possessed, Mii tells him that she would take him back but Edward falls unconscious where he is turned into Flowers by the Harmonia Spell.

Horkos seeing that a person who broke his promise entered his garden, transporting Edward to his garden where he meets once again with Mii, after a quick encounter where he barely recognizes each other Horkos appears and attacks them destroying the platform where they were standing, falling both into the water, after Mii manages to get Edward out of the water, when Mii shows that she is willing to protect Edward and that she had nothing to do with this confrontation Horkos takes the posture of Edward's body turned into Edward de Serment, saying that Edward could live as his nucleus. Taking possession of his body he prepares to engage in a duel against Mii, Horkos / Edward's attacks at first had no effect as Mii is specialized in water techniques, Horkos seeks to provoke the girl to fight as she does not want to hurt her friend, while he questions the Saintia, Horkos attacks with electricity leaving the Saintia wounded, a Lily comes out of Mii's chest. The oath flower, Horkos shows desires that want to possess and corrupt this flower, mi breaks away from the Dolphin Cloth inciting Horkos to take possession of his body, this is about breaking away from Edward's body entering Mii. While the Saintia resists the power of the Dryade where Eris's voice resonates in her head, when the armor is in contact with the Golden Hanzashi the Cloth emerges, having Hanzashi in her hands Mii frees herself from Horkos' control attacking with Heaven's Grand Maelstrom with the power of the Hanzashi in this destroying the Dryade.

For Horcos, breaking a promise is the worst sin that can invade his garden, so he makes sure to kill the two sinners who broke their word. In combat, he is quite cruel but shows interest in understanding his opponent.

Being a Dryad without a physical body, his appearance is that of a spirit made of darkness. However, when he possesses Edward, he is an elegant-looking, well-dressed English boy. His hair is neatly combed and he wears a suit, most likely coming from a wealthy family. When possessed by Horkos, his hair becomes disheveled and his clothes tear as the leaf attaches itself to his body.