One time, almost a hundred years before the rein of Lake, the Vaporeon, it was called the age of darkness. A single Umbreon that never knew his family lived at that time. His name was Curse, he has a best friend Xeus, a Jolteon. 

The story of Curse

Curse never knew his parents-even his family. Growing up by himself, he decided to live somewhere else-the Dark Forest. When all the trouble begins. He finds his mate while trying to find the cure.