Episode 638 - Luffy's Final Fight! The Battle for the Pirate King’s Legacy

Episode 638
Luffy's Final Fight! The Battle for the Pirate King’s Legacy
Japanese: ルフィの最後の戦い！海賊王の遺産をかけた戦い
Rufi no Saigo no Tatakai! Kaizoku-Ō no Isan o Kaketa Tatakai

Luffy and the crew face a moral dilemma as they realize the true power of the treasure could either save or destroy the world. With the World Government closing in, the Straw Hats must make a decision: do they claim the treasure and risk its power falling into the wrong hands, or leave it hidden to prevent chaos from spreading across the Grand Line?