you are dracule mihawk also known as the strongest swordsmen in the world when you were younger you want to become stronger swordsmen and after alot of training and learns haki....you did it and you became a strongest swordsmen in the world and you were on youre coffin boat and you had youre small boat called the Hitsugibune and you were an warlord of the seas and you were born at kuraigana island so have fun being mihawk