Being one of the primordial Seraphs, she synchronised with Gavrail's sorrow and appeared from the distant future. Despite being the founder of "Black Gravers", she dropped out of sight after the troop's establishment, and none has seen her afterwards. To alleviate the burden on Gavrail, forced to join the fight, Raphael voluntarily went out in front of Gavrail and unleashed her strength in bereavement.

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