Episode 473
Luffy’s Last Promise! The Battle to Protect the Pirate King’s Legacy
Japanese: ルフィの最後の約束!海賊王の遺産を守る戦い
Rufi no Saigo no Yakusoku! Kaizoku-Ō no Isan o Mamoru Tatakai
The crew faces a series of challenges on the legendary island, where they are confronted by the island’s powerful defenders. As they battle to reach the island’s heart, the crew learns more about its origins and the powerful treasure that lies within. This episode sets the stage for the final confrontation over the island’s secrets.