 Umbreon is known as a dark-type creature in the Pokémon series. First appearing in the Pokémon Gold and Silver games, Umbreon is a special evolution form of Eevee. Eevee evolves into Umbreon when its happiness reaches a certain level during the night hours. Known for its black fur and yellow rings, Umbreon surprises its enemies by shining at night thanks to these rings. Night vision is quite good with its red eyes. Thanks to its high defense and durability, it can last a long time in battles