Umbreon

Umbreon is a Dark-type Pokémon introduced in Generation II, making its debut in the Johto region games, Pokémon Gold and Silver. It is one of the eight Eeveelutions, evolving from Eevee when leveled up at night with high friendship. Its sleek, black fur and glowing golden rings are a direct result of its nocturnal evolution, with the rings said to glow when exposed to the moon's aura or when it is preparing to attack. Umbreon is known for its calm and intelligent demeanor, often lying in wait in the darkness to ambush prey. In the games, it is a formidable special defender, boasting high HP and Special Defense stats. In the anime, notable Umbreon include Gary Oak's, showcasing its loyalty and battle prowess. Its distinctive design and unique evolution method have cemented its place as a fan favorite among the Eeveelutions, often symbolizing mystery and the power of the night.