Episode 522 - Luffy’s Final Promise! Protecting the Pirate King’s Legacy

Episode 522
Luffy’s Final Promise! Protecting 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 ruler is defeated, and the island is liberated. The crew uncovers more about the ancient temple, which is linked to a map that could lead them to the final destination of their treasure hunt. As they leave the island, the crew faces a new set of challenges, with enemies closing in on them from all directions.