Episode 594 - The Ultimate Clash Ignites! Luffy Against the Most Formidable Sea Raiders

Episode 594
The Final Showdown Begins! Luffy vs. the Greatest Pirates of the Sea
Japanese: 最後の決戦が始まる！ルフィVS海の最強海賊たち
Saigo no Kessen ga Hajimaru! Rufi VS Umi no Saikyō Kaizoku-tachi

The Straw Hat Pirates are forced to fight their way through the final trials set by the ancient civilization. They confront the ultimate guardian of the treasure, and the battle becomes a test of their strength, intelligence, and willpower. Luffy and his crew realize that obtaining the treasure may not be enough to change the world—it may require an even greater sacrifice.