Gum-Gum Red Hawk is seen as Luffy's new signature move in place of Gum-Gum Pistol. Luffy's Gum-Gum King Kong Gun is a powerful, explosive attack that defeated Doflamingo. Throughout his journey in ...

This upgrades Luffy's attacks, turning moves like Gum-Gum Pistol into Jet Pistol and Gum-Gum Gatling into Jet Gatling. Gear Four is the first power-up we see from Luffy in multiple arcs after the ...