The story lies in a world deep down the land called the "dark abyss".It is set to beleive that in that place it is filled with nightscrols ,dead soul and the soul of the dead heroes.In the dark abyss there is also a queen and king,"Queen Alice and king Hanzo".
After some years queen Alice gave birth to 2 little dark babys but then the king's assistant "Leomord" uses his mighty mouth-ed sword to kill and collect the soul of the family to be the strongest of all but then both babys were too strong that leomord sword cant take it and it broke into pieces that made a big shockwave that killed everyone in the abyss.
Both babys were safely teleported using ability of the brother of the king "Dyruss"and it sent them to the "land of dawn".