Legendary martial artist in one piece (completed)

The Strory is about a Legendary martial artist that Reincarnated into the world of One Piece.Will he beat everyone? Will he live in peace? Will he destroy everything?Read the story and you will know. The picture in the cover isn't mine. Ps.Charakter will be op so if you don't like that then this fan-fic isn't for you. -no harem -Wish fulfilment -mature and calm mc -no 18+ Content