Demon King

Intro He has mission given by Demon god, order to set free demon god who sealed in empty world he only need to thing, Locations of gate to empty world and key to open it, that key is knew as power of king, lagre amount of natural energy that can break a seal that demon god. demon king has powerful magic called reality magic, can control reality it self. Key that knews as power of king is own by Prince Ryu-Gen, legendary red eyed demon hunter. Demon king mortal enemy. You are one four demon eye, demon eyes are reason why bo one can kill demon kin becase all four demon eye is act like his backup life. unless all four demon eye taken down then demon king don't due no matter what Plot: He was a regular oerson and when he died he meet beatiful goddess knew as demon god and she asked him to set her free from emty world, order to that he need yo find two thing, location of gate to empty world and key to open that key. Drmon god everything to demon king, corrupted demon rice, ten great demon lords work for him, four demon eyes who made him litterly impossible to kill, that his immortal long all one of these demon eye are life. All he has to do this destroy kingdom of ryu and get key that open gate to empty world. But he failed that day Ryu-Ryu named demon hunter sealesd him in zero-zone and Ryu-Gen has key of gate to empty world, and he is gather his team to defeat demon king, So He has to face him one more thing and during that fight he realize that he was used by demon god in very last moment before he meet his life ends. he see brave demon hunter sacrificed everything he had so world may have a future. Demon king understand that in his last moment of his life