Gear Fourth One: Piece !exclusive!

This technique combines the air-injection properties of Gear 3 with the blood-flow acceleration of Gear 2, all while heavily utilizing to coat and harden his inflated muscles. By blowing air directly into his muscle structure, Luffy achieves a unique state where his body is simultaneously hard as iron yet incredibly elastic. Main Variations of Gear Fourth

: A defensive powerhouse that emphasizes maximum durability. The "Manpuku" (Stuffed) version was used against Charlotte Cracker after Luffy ate a massive amount of biscuits, turning his torso into a giant, nearly impenetrable balloon that reflects attacks with explosive force. gear fourth one piece

By using Haki to maintain his body's shape despite the internal air pressure, he turns his rubber body into a highly compressed, spring-like weapon. This technique combines the air-injection properties of Gear

When Luffy faced Charlotte Katakuri, raw power wasn't enough. He needed speed, and he needed unpredictability. Enter . The "Manpuku" (Stuffed) version was used against Charlotte

Boundman’s fighting style is unpredictable. He bounces off the floor, walls, and air, making him difficult to target. It is a form designed for all-out assault, overwhelming enemies with raw power and speed simultaneously.

One Piece is a series defined by its creativity, but few power-ups in shonen anime history have been as visually striking or strategically complex as Monkey D. Luffy’s .