One Piece: Episode 529

According to the One Piece Wiki , the anime expands on several scenes not detailed in the manga:

The episode concludes with a chilling prophecy from Madame Sharley, a powerful fortune-teller at the Mermaid Cafe. Using her crystal ball, she foretells that a man wearing a straw hat —Luffy—will be the catalyst for the destruction of Fish-Man Island. One Piece Episode 529

The episode highlights the racial divide on the island, specifically the law against blood transfusions between humans and Fish-Men, which roots back to years of mutual distrust and historical trauma. According to the One Piece Wiki , the

The transition of power on the island from Whitebeard to Big Mom is detailed, introducing the idea that Big Mom views her "protection" as a business transaction, demanding massive monthly candy payments in return. Anime-Specific Additions The transition of power on the island from

A more dynamic (and comedic) depiction of Sanji’s reaction upon seeing the beautiful mermaids at the cafe.

Luffy, Usopp, and Brook travel with Pappag to his luxurious home in Gyoverly Hills. During the tour, they learn more about the island's protection, which shifted from Whitebeard to Big Mom after the Paramount War.

Extended scenes of frantically calling out for blood donors across the island.