One Piece – Volume 40 (Gear) delivers one of the most iconic power-ups in the entire series as Luffy unveils his revolutionary new fighting technique, Gear Second. With the battle at Enies Lobby raging, the Straw Hat Pirates face the elite assassins of CP9 in intense, high-stakes confrontations. Luffy’s determination to save Nico Robin pushes him beyond his limits, resulting in a dramatic and game-changing transformation. Meanwhile, the rest of the crew continues their fierce battles against powerful government agents. This volume combines explosive action, emotional resolve, and unforgettable character growth. Eiichiro Oda raises the tension to new heights while showcasing the unwavering bonds of friendship. A landmark installment in the Enies Lobby arc, Volume 40 is a must-have for every One Piece fan and manga collector.