power: 40
guard: 30
magic power: 10
magic guard: 10
speed: 10
He is the king of curses he got fire Arrow and domain expansion and more curse moves that'll make them OP and he's not even in this full form. He's just in a human body, but in his more forms. and his max form is Roman Sukuna
Write a 10 chapter story and it's super detailed so detailed even how did they get there?