The omec evolved from a quadrupedal predator call "Zekbatsin", they keep physical caracteristic of this ancestor like their teeth and their instinct.The Omecs had purple skin, silver hair, and metallic silver irises.
For century Omec come to votan's worlds and harvest million of people to use them as slave and food. They used their technological superiority tu assure their suprematy on the other votan civilisation. But at one time the votan raise against them in the war of six, win, and confined them to their world now in control of the volges.
The other Votan species feared the Omec and hate the volges, so they made no attempt to include them in the exodus fleet of Arks which fled their star system in 3,001 BCE when it was destroyed in a stellar collision. Incidentally, this meant that they also left the subjugated Omecs behind along with them. Both the Omecs and the Volge were thought to have gone extinct 5,000 years ago, but to the surprise of all, the Volge reappeared on Earth during the Pale Wars, perhaps recreated through terraforming nanites.