Episode 771 - Luffy’s Promise! The Battle for the Future of the Sea

Episode 771
Luffy’s Promise! The Battle for the Future of the Sea
Japanese: ルフィの約束！海の未来をかけた戦い
Rufi no Yakusoku! Umi no Mirai o Kaketa Tatakai

On the ancient island, the Straw Hats uncover the long-lost secrets of the Pirate Kings, revealing that the One Piece is not just a treasure but the key to a revolution that could reshape the world. Luffy and his crew must protect this secret at all costs, as enemies from all sides close in on the island.