Installment 697 - Conclusion of the Uprising! Luffy Battles the Ultimate Leaders of the Global Authority

Episode 697
The Revolution’s End! Luffy vs. the World Government’s Final Commanders
Japanese: 革命の終わり！ルフィVS世界政府の最終司令官
Kakumei no Owari! Rufi VS Sekai Seifu no Saishū Shireikan

The crew encounters a new island where they discover a group of people with unique powers tied to the island’s ancient history. The locals tell them about a treasure hidden on the island, leading to a treasure hunt. However, they soon realize that other pirate crews are also after the treasure, creating a tense rivalry.