Luffy Third Gear, also known as Gear Third, or Gomu Gomu no Mi is a powerful technique used by Monkey D. Luffy, the main character of the popular anime and manga series One Piece. This technique allows Luffy to increase the size of his arm by blowing air into it like a balloon, giving him a massive and devastating attack power. With his incredible strength, speed, and agility, Luffy is powerful enough to overtake his opponents and reach his goal of becoming a pirate. Whether he's battling dangerous foes or exploring the vast and mysterious world of the Grand Line, Luffy brings a sense of adventure and excitement to every episode of One Piece. A fanart One Piece anime progress bar for YouTube with Monkey D. Luffy Gear Third.