Volume 77 introduces the mysterious moving island of Zou, home to the Mink Tribe. The Straw Hats uncover the aftermath of a devastating attack by Kaido’s forces led by Jack. Despite severe destruction, the Minks show unwavering loyalty and resilience. The truth behind the artificial SMILE Devil Fruits begins to surface. Alliances grow stronger as samurai from Wano reveal their deeper mission. Raizo’s emotional reveal becomes one of the arc’s most heartfelt moments. The Road Poneglyph is introduced, expanding the lore of the One Piece treasure. Themes of loyalty, sacrifice, and inherited will shine strongly. Strategic planning against Kaido begins in earnest. This volume deepens mythology while strengthening the alliance network.