第584集 - 路飞的终极战斗！争夺海贼王宝座的战斗

Episode 584
Luffy’s Ultimate Battle! The Fight for the Pirate King’s Throne
Japanese: ルフィの究極の戦い！海賊王の座をかけた戦い
Rufi no Kyūkyoku no Tatakai! Kaizoku-Ō no Za o Kaketa Tatakai

The Straw Hat Pirates encounter an island that holds one of the final pieces of the treasure map. However, the island is home to a powerful ruler who controls a deadly army of creatures. The crew must battle through the island’s defenses to retrieve the map piece while avoiding the deadly creatures protecting the island.