Episode 504 - Luffy’s Resolve! The Crew’s Promise to Each Other

Episode 504
Luffy’s Resolve! The Crew’s Promise to Each Other
Japanese: ルフィの決意！仲間たちとの約束
Rufi no Ketsui! Nakama-tachi to no Yakusoku

The crew sails away from the island after helping the inhabitants, only to encounter a strange storm. The storm forces them to dock on another island, where they meet a mysterious figure who claims to have information about the Grand Line’s legendary treasure. The crew must decide whether to trust this figure or continue their journey alone.