Episode 618 - The Straw Hat Pirates' Ultimate Legacy! Luffy’s Promise for the Future

Episode 618
The Straw Hat Pirates' Ultimate Legacy! Luffy’s Promise for the Future
Japanese: 麦わらの一味の究極の遺産！ルフィの未来への約束
Mugiwara no Ichimi no Kyūkyoku no Isan! Rufi no Mirai e no Yakusoku

Luffy and the crew enter the final battle for the legendary treasure. They face off against the World Government’s top agents and rival pirate crews in a fierce struggle for control. As the battle intensifies, the crew learns that the treasure may hold the key to freeing the world from the World Government’s control.