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Dragonair is a long, serpentine Pokémon with sky blue scales and a white underside. Its violet eyes are dark and glossy. It has a smooth, rounded snout and a small, white horn on its forehead. Its head is flanked by two small, stylized wings, which are white and curve into a swirl at the base. Three blue, crystal orbs, one on its neck and two on its tail, adorn its body.
Dragonair emits a gentle aura that gives it a mystical appearance. As seen in the anime, it can make its wings grow larger in order to fly, but otherwise moves through the air unaided. Dragonair hosts a large amount of energy within its body, which it can discharge through the crystal orbs on its neck and tail. This causes its body to brighten and give off a different aura that changes the weather in its vicinity. Dragonair is a rare Pokémon that inhabits seas and lakes.