Luffy's All Gears Explained - One Piece


Monkey D. Luffy is the main lead character of Eiichiro Oda's One Piece series. He possesses a funky way of fighting with the powers of Gomu Gomu no Mi, which translates to Gum-Gum Fruit in English. During the series, though, it can be revealed that Luffy attains Gears that are transformation techniques for the large bolstering of physical powers. This article describes all of Luffy's Gears, their mechanisms, strengths, and what impact they have on the storyline of One Piece.

Overview of Luffy's Gears


So far in the series, Luffy has developed a total of five Gears, each possessing distinct abilities and augmentations. They are:

  • Gear Second
  • Gear Third
  • Gear Fourth
  • Gear Fifth

It is worth noting that Luffy is the only character in One Piece referring to his several forms as "Gears". This uniqueness in naming or grouping of his different forms shows the creativity in Luffy using his powers from the Devil Fruit.

Gear Second


Mechanism: Luffy will stretch his body's rubber abilities on his blood vessels and pump his legs vigorously to reach incredibly high speeds. With this technique, Luffy increases blood flow to the point of doping his system and raising his physical potential.

Abilities: He is granted more speed, strength, and mobility in Gear Second. The blood flow, moreover, allows him to move at speeds that give the impression of teleportation, leaving most of the foes dumbfounded.

Physical Appearance: When entering Gear Second, Luffy's skin turns pink, and steam begins rising from his body due to the increasing body temperature and augmented metabolism.

Drawbacks: The immense stress that the technique puts on Luffy's body initially resulted in severe fatigue after its usage, though he has since conditioned himself towards this regard when using this technique.

Gear Third


Mechanism: In Gear Third, Luffy blows up his bones to a tremendous extent, vastly augmenting their size and consequently his striking strength.

Abilities: This is the gear that gives Luffy incredible strength, where he can make a variety of powerful blows. His attacks often have "Giant" in their names as a reference to the massive increase in size.

Physical Appearance: His body part will turn into gigantic size, like mostly his arm or leg when using Gear Third techniques.

Drawbacks: First of all, when it was turned off, if Luffy used Gear Third for the first time, he would greatly shrink; this weakness he overcame after the time skip.

Gear Fourth


Mechanism: Gear Fourth combines aspects of both Gear Second and Third with Luffy's Haki, which is a form of spiritual energy in the One Piece world. Luffy inflates his muscles and then covers them in Armament Haki.

Abilities: It has multiple forms, each having its own special properties:

Boundman: Focuses on strength and bouncing abilities.
Tankman: Focuses on the phase of defense and counter-attack.
Snakeman: Focuses on speed and agility.

Physical Appearance: Gear Fourth makes Luffy's body much larger and more muscular, covered with a glossy black covering because of his Armament Haki.

Disadvantages: This gear puts considerable stress on Luffy's body and reserve of Haki. After it is turned off, Luffy is often left significantly weakened, and, for some period of time, he cannot use his Haki.

Gear Fifth


Mechanism: Gear Fifth is the awakened state of Luffy's Devil Fruit powers. As it turns out, his fruit is actually that of the mythical Zoan-type Hito Hito no Mi, Model: Nika.

Abilities: This form allows Luffy to borrow the powers of the "Sun God" Nika, manipulate his body, and be cartoonish with his surroundings. This dramatically enhances his strength, speed, and durability and gives him the ability to affect his surroundings as if they were made of rubber.

Visual Characteristics: In Gear Fifth, Luffy's hair and clothes turn white, and his eyes depict a peculiar ring. His body becomes more fluid, cartoonish in its movements.

Cons: The actual cons of Gear Fifth are yet to be shown, but judging by some signs and hints, it does stress the body of Luffy considerably, possibly with time limits attached to it.

Impact on the Series


Luffy's Gears have been integral to the progression of One Piece's narrative in a few ways:

Power Scaling: With each newer Gear, Luffy has been able to fight against more and more powerful foes, retaining tension and excitement within the series.

Character Development: The creation of such techniques symbolizes the growth Luffy undergoes as a fighter and his creative approach toward problem-solving.

Worldbuilding: Gears, particularly Gear Fifth, have expanded the lore of the Devil Fruits and their possibilities in One Piece.

Fan Engagement: The reveal of new Gears usually includes huge fan discussion and speculation. For example, with Episode 1071, the introduction of Gear Fifth turned out to be one of the most discussed scenes of the series.

Gears are, without a doubt, an original fighting system throughout the One Piece universe. Each transformation, from the speed-enhancing Gear Second to the reality-warping Gear Fifth, illustrates Luffy growing to be a character on his way toward becoming the Pirate King. As the series unravels, holding on to breath, fans wonder what other new ways Luffy will further develop and employ these powerful techniques in his adventures across the Grand Line.