A new ‘One Piece’ theory suggests Gear 5 isn’t Luffy’s final form—and that a legendary weapon could unlock his true power.

Kaido has many powerful abilities. Firstly, he has one of the best Devil Fruits in the series - Uo Uo no Mi, Model: Seiryu, ...

Some One Piece characters vanished a long time ago and haven't been seen since. Out of them all, these are the most important ...