第307集 - 路飞的最大挑战！海贼王称号的最终战斗

Episode 307
Luffy’s Greatest Challenge! The Final Battle for the Pirate King’s Title
Japanese: ルフィの最大の挑戦！海賊王の座をかけた最終戦
Rufi no Saidai no Chōsen! Kaizoku-Ō no Za o Kaketa Saishū Sen

The crew’s exploration of the cursed island continues as they encounter an ancient guardian that protects the island’s treasure. The crew must find a way to break the curse and escape with their lives while unlocking the secrets hidden within the island. Themes of fate and destiny are explored as the crew faces supernatural challenges.