Installment 738 - Epic Clash! Luffy's Struggle to Rescue the Island

Episode 738
The Great Battle! Luffy’s Fight to Save the Island
Japanese: 大戦！ルフィの島を救うための戦い
Daisen! Rufi no Shima o Sukū Tame no Tatakai

The Straw Hats arrive at the ancient pirate kingdom, where they discover remnants of a powerful civilization. However, they are not alone, as a powerful group of pirates also arrives, seeking to claim the kingdom's treasure. Luffy and his crew must fight to protect the kingdom’s secrets and ensure that the legacy of the pirate kings remains intact.