Umbreon is a Dark-type Pokémon from the popular series Pocket Monsters, also known as Pokémon. It evolves from Eevee when leveled up with high friendship during the night or when exposed to a Moon Shard in Pokémon XD: Gale of Darkness. Recognized for its sleek, black fur and glowing yellow rings, Umbreon is often regarded as mysterious and elusive. In the series, Umbreon is known for its calm demeanor and incredible defensive abilities. It plays a significant role both in battles and as a loyal companion to its trainers, showcasing the bond between Pokémon and humans.