The Epsiloni were a race which fed on the life-forces of organic species and regarded all organic life as their prey. They were hunted down themselves and almost driven to extinction by what they called "neo-life" (presumably inorganic life).
Powers and Abilities
Parasitically drain life-energy from other beings, enabling them to grow in power. It took a nova explosion to destroy one Epsiloni.
Type of Government
Fascistic military dictatorship
Level of Technology
Unremarkable, but with intermediate interstellar travel
Ruthless, regarding all forms of life as prey