The day before the Lord Of The Abyss wanted to get Argus

Far from the Abyss world, an angel who kills demons and monsters wanted to be an immortal god and become a king of the Moniyan Empire. Argus trained himself for the war,but he lost himself from the temptation and he heard a voice calling out to him and it said that he must inherit the power of the hidden sword. Argus fought battalions of monsters and demons for the sword until he arrived at the Immortal Mountain and pulled out the sword from a hard boulder and after too much struggle he felt a massive power inside him and turn him to a fallen angel with a devil-like-warrior look. Rafaela,his angel friend betrayed her by not controlling his self from the temptation and she start his journey to find Argus.