Although initially Luffy only used different attacks powered by his Gum Gum fruit, he later acquired temporary power-ups called "Gear," which altered both his form and abilities. Each one of Luffy's ...

Then, one needs to keep in mind that Luffy will soon learn advanced Conqueror's Haki that can even damage immortals in the Final Saga of One Piece. When these two powers are put together, Luffy will ...