The transformation occurs during his climactic battle against , one of the Seven Warlords of the Sea. After Doflamingo survives Luffy’s Gear Second and Third attacks and reveals the true power of his Ito Ito no Mi (String-String Fruit), including his awakening, Luffy is pushed to his absolute limit.
Here’s a clear, detailed text answering the question: When Does Luffy Unlock Gear 4 in One Piece? when does luffy unlock gear 4
The result is — a massive, bouncing form that grants Luffy immense size, elasticity, strength, and mobility. With this new power, Luffy finally overpowers Doflamingo and finishes the fight with his ultimate attack: King Kong Gun . The result is — a massive, bouncing form
introduce variations of Gear Fourth, such as Tankman (vs. Charlotte Cracker in Whole Cake Island) and Snakeman (vs. Charlotte Katakuri), but the original Boundman form debuts exclusively in Dressrosa. Charlotte Cracker in Whole Cake Island) and Snakeman (vs
Realizing that his previous techniques are no longer enough to defeat the Warlord, Luffy unveils a new form he developed during his two years of training on Rusukaina Island under the legendary pirate Silvers Rayleigh. He blows air into his muscles rather than his bones (as in Gear Third), inflating his entire upper body and coating his arms and torso with .
Monkey D. Luffy, the captain of the Straw Hat Pirates, unlocks during the Dressrosa Arc — specifically in Episode 726 of the anime and Chapter 784 of the manga.