One Piece has been on a spree to deliver some of the best story arcs in the history of the shōnen adventure anime. Currently, the Egghead Island Arc is going on in the One Piece manga and now that the anime is also headed towards it, it is certain that a lot of mysteries about different characters and plot points are going to get solved. Some new mysteries will also arise soon. One such mystery that has got the fans of the franchise all hooked is the one revolving around the backstory of the former warlord of the sea and commander of the Revolutionary Army, Bartholomew Kuma.