As the Straw Hats set foot in Ocean's Navel, a metropolis nestled amidst a tumultuous maelstrom, they bear witness to the destruction wrought by colossal creatures. These beasts are said to guard a priceless artifact that can grant any desire. As the crew engages in a fierce struggle to overcome these formidable guardians, a sinister force is suddenly unleashed. (shown after Episode 53)