One Piece: Umi no Heso no Daibouken-hen

Definition

The Straw Hats encounter a city in the middle of a whirlpool, called the Ocean's Navel, that is being destroyed by giant monsters. These monsters supposedly protect a treasure capable of granting wishes, but in the process of defeating these guardians, the crew ends up releasing another evil. (aired after Episode 53)

Sources

• raw/anime/other/one-piece-umi-no-heso-no-daibouken-hen-1094.md