While Luffy already has some incredible powers, such as Haki and Gear 5, it is also quite clear that he needs more than just that. In fact, Luffy's next power-up has already been decided by Oda ...

As One Piece enters its Final Saga, Luffy faces his ultimate challenge: Imu, a god-like king surpassing even Kaido in power. To defeat this immortal foe, Luffy's Gear 5 and Haki won't suffice; he ...