Monkey D. Luffy is the protagonist of Eiichiro Oda's One Piece and he set out to sea with the aim of becoming the Pirate King in a time known as the Great Pirate Era. With the power of a Devil Fruit known as the Gomu Gomu no Mi, Luffy became a rubber man and has, on his journey, grown tremendously powerful. With time, Luffy has taken his abilities to the next level by inventing what he calls «gears.»
During the Enies Lobby arc, Luffy invented his Gear Second and Gear Third. Following the two-year timeskip, Luffy came up with the idea of Gear Fourth with multiple forms. While all these power-ups were incredible and enabled him to take on some of the most powerful people on the seas, he didn't truly hit his peak until the Wano Country arc. In the fight against Kaido, Luffy finally tapped into what is his strongest transformation of all time and supposedly him at his peak – Gear 5.
Why Everyone Should Be Watching One Piece Episode 1015
Luffy has developed all his gears based around the rubbery properties of his Devil Fruit. Gear Second makes use of his rubbery body to pump blood faster through his body and increase his physical abilities drastically. Gear Third sees him inflate his rubbery bones with air to gain the limbs of a giant and use devastating attacks. With Gear Fourth, Luffy takes things a step further by incorporating Haki with his Devil Fruit and combining them together. By doing so, Luffy is able to increase the tension of rubber and use the power of compression and elasticity in combat to pull off some of the most incredible things such as flying through the air.
With Gear 5, however, Luffy doesn't make use of his basic Devil Fruit abilities at all. Gear 5 is actually based on the true nature of Luffy's Devil
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