Umbreon

This Umbreon has a sleek, dark blue-gray body with a soft, almost midnight-blue coloration. Its head is framed by extremely long, straight charcoal-colored fur that resembles flowing hair, with vivid icy-blue streaks running through the lower sections. Two enormous fox-like ears rise from the top of its head. The ears are thick and rounded rather than sharply pointed, and each has a bright cyan band near its upper section that appears to glow. Its eyes are large and almond-shaped, with golden-yellow irises and dark pupils. They give it an intelligent, mischievous expression. It has a tiny dark nose, a small mouth with a couple of visible pointed teeth, and a pale blue oval marking in the center of its forehead. Several faint blue markings and highlights can be seen around its face and body. A huge, fluffy canine tail extends behind it. The tail is the same dark blue-gray color as its body and has a luminous cyan ring around it, matching the markings on its ears. Its long fur also contains bright blue highlights that become especially noticeable along the underside and tips. The Umbreon's body is compact and rounded, with large, powerful-looking forelimbs and oversized paws. Its limbs have the same blue-gray coloration and are decorated with glowing cyan bands. Its overall anatomy gives it the appearance of a quadrupedal fox/canine Pokémon that can comfortably stand upright. Rather than ordinary clothing, the dark material around its torso could be interpreted as a natural fur pattern or a cloak-like layer of specialized fur. A pale cyan ring around its neck resembles a collar marking, continuing the creature's bioluminescent motif. Overall, its design would fit a Dark/Fairy-type Pokémon, with its defining traits being its enormous ears, giant fluffy tail, golden eyes, forehead marking, and glowing cyan patterns. Its appearance suggests a nocturnal Pokémon associated with moonlight, darkness, or cold blue flames.