Episode 177 - The Final Challenge! Luffy’s Battle to Become the Pirate King

Episode 177
The Final Challenge! Luffy’s Battle to Become the Pirate King
Japanese: 最後の挑戦！ルフィ、海賊王になるための戦い
Saigo no Chōsen! Rufi, Kaizoku-Ō ni Naru Tame no Tatakai

After surviving the storm, the crew arrives at an island known for its ancient ruins. There, they meet a group of scholars who have been studying the lost history of the Grand Line. However, the island is under threat from a group of mercenaries who wish to steal the scholars’ research. Luffy and his crew must protect the scholars and the island.