Dark Blue Moon is designed specifically for marine combat and is described as being faster than any sea creature.
While traveling by sea toward Singapore, the Joestar group is accompanied by a runaway girl named Anne. They discover that the ship's captain is an impostor working for DIO. The impostor drags Jotaro Kujo into the ocean, where his Stand, Dark Blue Moon, holds a massive advantage. 6 : Dark Blue Moon
By rapidly spinning its webbed feet, it can create powerful whirlpools to trap and crush enemies. Dark Blue Moon is designed specifically for marine
Its claws are sharp enough to slice a shark in half or destroy a ship's propeller. The Defeat where his Stand