Luffy could use Gear 4 for much longer, as seen during his fight against Kaido. Once Luffy learned how to infuse Conqueror's Haki into his Gear 4 attacks, his battle against Kaido was more even.

Activating Gear 5 becomes as simple and second-nature for Luffy as his other Gears in the One Piece series. Ad Luffy still lacks complete mastery over these upgraded Mythical Zoan powers .

KEY POINTS "One Piece" recently showed Luffy's Gear 4 transformation; The manga also offered interesting insights about this powerful form "One Piece" Chapter 991 arrives on September 27 ...

Gear 4 came along in episode 726 when Luffy merged with Armament Haki to take on the warlord Donquixote Doflamingo. While in Gear 4, Luffy uses shorter, compression-based blows, while attacks seem ...

One Piece’s Luffy Transforms Into Gear 5 in His Fight Against Kizaru. Luffy first takes on his Gear 4 form, which isn’t nearly powerful enough to defeat Kizaru. Even so, ...

One Piece's Luffy has just mastered Gear 5, which leads us to question when Gear 6 will be obtained – if it even exists.