Luffy bites into his left forearm and begins by blowing air into his body’s muscle structure—not just his bones (like Gear Third). The result is terrifying and bizarre:
The name "Gear Fourth: Boundman" comes from its signature trait: . Luffy can now compress his rubber limbs into his body and release them like a pneumatic piston, resulting in:
Luffy first uses in Episode 726 of the One Piece anime, titled "Gear 4! The Phenomenal Boundman!". This debut occurs during the climax of the Dressrosa Arc during his high-stakes battle against Donquixote Doflamingo. Key Gear 4 Episode Guide
When Doflamingo tried to kick Luffy, he was bounced back. When he tried to slice him, the blade glanced off the bouncy tension. Luffy explained it best:
Episode 726 – Luffy inflates his muscular structure and coats his body in Armament Haki to gain a balance of flight, speed, and overwhelming power.
4 Gear Luffy Episode Jun 2026
Luffy bites into his left forearm and begins by blowing air into his body’s muscle structure—not just his bones (like Gear Third). The result is terrifying and bizarre:
The name "Gear Fourth: Boundman" comes from its signature trait: . Luffy can now compress his rubber limbs into his body and release them like a pneumatic piston, resulting in: 4 gear luffy episode
Luffy first uses in Episode 726 of the One Piece anime, titled "Gear 4! The Phenomenal Boundman!". This debut occurs during the climax of the Dressrosa Arc during his high-stakes battle against Donquixote Doflamingo. Key Gear 4 Episode Guide Luffy bites into his left forearm and begins
When Doflamingo tried to kick Luffy, he was bounced back. When he tried to slice him, the blade glanced off the bouncy tension. Luffy explained it best: The Phenomenal Boundman
Episode 726 – Luffy inflates his muscular structure and coats his body in Armament Haki to gain a balance of flight, speed, and overwhelming power.