Cavalier of the AbyssCavalier in the Abyss; Cavalier of Abyss; Рыцарь Бездны; 深渊骑士; 심연의 카발리어

Sequel to Immortal Regis. Reading the entirety of the prequel is highly recommended, otherwise, this story from chapter 4 on will spoil it and/or be confusing. Cavalier of the Abyss (so far) is set only in the world of Chaos. There is now a Regis of Chaos.