One Piece Strong World 0 is a one-shot story published in Weekly Shounen Jump as a special prologue chapter to the 10th One Piece movie, Strong World. This one-shot depicts events 20 years before the current timeline of the manga, One Piece. The main focus is the relationship between Shiki
, the Golden Lion and Roger, the Pirate King. In addition, it shows what other characters were doing 20 years ago.
Many years before his showdown with Luffy, the 'Gold Lion' Shiki
came face to face with the most legendary pirate of them all: Gol D. Roger. On one fateful day the two fearsome captains clash in a fight known as "The Great Battle of Edd War" and Shiki
and his pirates are forced to flee the battle, regrouping later on. However, when Gol D. Roger is captured three years later, Shiki
refuses to accept it and decides to go up against the navy to stop his execution and claim the pirate king’s life himself...