Season 826 - The Epic Showdown to Defend the Pirate Emperor's Domain! Luffy's Ultimate Defense

Episode 826
The Final Battle to Protect the Pirate King's Throne! Luffy’s Last Stand
Japanese: 海賊王の座を守るための戦い！ルフィの最後の立ち向かい
Kaizoku-Ō no Za o Mamoru Tame no Tatakai! Rufi no Saigo no Tachimukai

The Straw Hats battle the World Government’s elite forces once more, with the fate of the One Piece hanging in the balance. As they fight, Luffy uncovers new information about the true nature of the treasure and how it can change the world. With the crew on the verge of discovering the final secret, they must overcome the World Government’s relentless attacks.