One Piece — Chapter 4

Chapter 4 is where One Piece truly clicks into gear, transforming Luffy's solo adventure into the beginning of a crew. After the promise and tragedy of Shanks' departure, this chapter delivers on the payoff in Shells Town, and it does so by giving us our first real look at who Luffy is as a captain. The heart of the chapter is the unlikely bond between Luffy and Roronoa Zoro. On paper they could not be more different. Luffy is loud, goofy, and driven by pure instinct, while Zoro is stoic, honor-bound, and willing to endure days of starvation tied to a post rather than compromise his pride. What makes their interaction so compelling is how quickly Luffy sees through that pride. He doesn't pity Zoro or lecture him, he simply recognizes his strength and his dream to become the world's greatest swordsman, and offers him a place beside him. Zoro's decision to accept is not just about being saved, it is about finding someone worthy of his loyalty. It is the foundational moment for the Straw Hat dynamic, built on mutual respect rather than convenience. Plot-wise, the defeat of Captain Morgan is more than just a standard villain fight. Morgan represents the corruption of authority, a Marine who uses his rank to terrorize the very people he should protect. Luffy and Zoro taking him down together, with Luffy's rubber-powered Gum-Gum Bell and Zoro's three-sword style on full display, establishes the series' core theme that true justice comes from personal conviction, not a title. Coby's role here is equally important, as he finally finds the courage to stand up and voice his dream of becoming a Marine, showing that Luffy's influence already inspires others to be brave. Oda's art in this early chapter is raw and energetic in the best way. The action is fluid and expressive, with Luffy's stretching having a wonderful cartoon elasticity and Zoro's introduction giving us that iconic, intense glare that instantly tells you this character is not to be underestimated. The paneling keeps the momentum high while still letting emotional beats, like Zoro accepting the swords and Luffy placing his straw hat firmly on his head, breathe.