Below are several Pokedex entries for Umbreon!Gold
When agitated, this Pokémon protects itself by spraying poisonous sweat from its pores.Silver
When darkness falls, the rings on the body begin to glow, striking fear in the hearts of anyone nearby.Crystal
On the night of a full moon, or when it gets excited, the ring patterns on its body glow yellow.Ruby and Sapphire
Umbreon evolved as a result of exposure to the moon's waves. It hides silently in darkness and waits for its foes to make a move. The rings on its body glow when it leaps to attack.Emerald
Umbreon evolved from exposure to the moon's energy pulses. It lurks in darkness and waits for its foes to move. The rings on its body glow when it leaps to attack.Diamond and Pearl
The light of the moon changed Eevee's genetic structure. It lurks in darkness for prey.