Episode 543 - The Straw Hat Pirates’ Last Battle! Luffy’s Fight to Protect the Future of the Sea

Episode 543
The Straw Hat Pirates’ Last Battle! Luffy’s Fight to Protect the Future of the Sea
Japanese: 麦わらの一味、最後の戦い！ルフィの海の未来を守る戦い
Mugiwara no Ichimi, Saigo no Tatakai! Rufi no Umi no Mirai o Mamoru Tatakai

The Straw Hat Pirates battle a new group of enemies who are after the ancient map. During the fight, Luffy uncovers a crucial clue about the treasure, which sets them on a new course. The crew also learns more about the dangerous organization pursuing them and their connection to the World Government’s plans for the Grand Line.