Dark Blue Moon

"Kuh kuh kuh... Welcome to the world of Dark Blue Moon... The ocean!"

- Impostor Captain Tennille, Chapter 129

Dark Blue Moon (ダークブルームーン（暗青の月）) is the Stand of Impostor Captain Tennille, featured in Stardust Crusaders.

Appearance
Dark Blue Moon is a humanoid Stand with aquatic features. It manifests itself as some sort of merfolk-like entity with a flat head, four eyes, a large dorsal fin lining most of its back, additional fins on its legs, and webbed hands and feet.

According to JOJOVELLER, his form was made while thinking of a combination of vital strength and of mineral material.

Befitting its name Dark Blue Moon is consistently portrayed across media as being blue with red articulations.

Personality
Dark Blue Moon displays little to no personality by itself. It represents the Tarot Card, which symbolizes trouble in water, lies, betrayal, and fear of the unknown. This symbolizes both the way Impostor Captain Tennille deceived the Joestar Group, as well as the nature of the Stand itself.

Abilities
Dark Blue Moon is a marine Stand, and, as such, its skills are more effective in an aquatic environment. It is probably less effective in a terrestrial environment, but this is unknown.

Dark Blue Moon has a high enough range that it was able to attack Jotaro without the user even being in the water. Its user has stated that it swims faster than any fish in the sea, a trait proved to be true when Dark Blue Moon managed to create a giant whirlpool by simply spinning its webbed feet fast enough.

Its Stand User also has an incredible lung capacity, being able to hold his breath for up to a personal record of six minutes and twelve seconds, which helps the Stand to maintain a battle, even if the user is thrown into the water.

Dark Blue Moon's hands are strong and sharp in water, making them effective weapons. Because of their sharpness, they are strong enough to destroy a still-running engine propeller and slice a shark in two with ease.

Razor-Sharp Scales
Dark Blue Moon can also use its scales as projectiles, throwing them against the enemy. These scales were sharp enough to cut Kakyoin’s hand when he tried to enter the water. They can be thrown at the enemy and be allowed to flow through the water current so that they can slash anyone who tries to swim through the water.

Barnacles
Dark Blue Moon is capable of creating barnacles, specifically, as seen when they attach to Star Platinum soon after making contact with Dark Blue Moon's skin.

The barnacles drain the target of its strength and also allow Dark Blue Moon slight control over the infected body parts, allowing it to drag its foes back into the water if they try to escape it.

Gallery
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