Episode 513 - The Ultimate Clash Kicks Off! Luffy's Decisive Confrontation for the One Piece

Episode 513
The Last Battle Begins! Luffy’s Final Showdown for the One Piece
Japanese: 最後の戦いが始まる！ルフィのワンピースをかけた決戦
Saigo no Tatakai ga Hajimaru! Rufi no Wan Pīsu o Kaketa Kessen

The crew defeats the rival pirates, but their captain reveals a shocking secret before his defeat: the treasure they seek is not just about wealth, but about power that could reshape the entire world. The crew realizes that they are not the only ones seeking the treasure, and that they must face even more formidable foes in the future.