However, others believe that a Gear 6 is inevitable before the final battle of One Piece. Gear 2 and 3 were introduced before Haki was even recognized in the story, and were only based on Luffy ...

while Gear 3 inflates his limbs. Gear 4 combined these concepts with Haki to create devastating attacks. But Gear 5 operates on another level entirely in the One Piece series. It represents Luffy ...

Luffy's One Piece journey soars with the unveiling ... With inventive strategies like Gear 2 and Gear 3, he stretched the limits. Gear 4 blended Haki and fruit powers for devastating effects.

While Eiichiro Oda often keeps fans on their toes, the idea of power-up Gears has remained an integral part of the One Piece story ... use of Devil Fruits, Gear 3 was properly introduced.