User blog comment:Supahbadmarine/Xeno Ideas/@comment-2253300-20110518200421/@comment-2253300-20110518210006

I do have something though. A Xeno species called the Luthe (Looth). They have essentially the same role as the Eldar. They are an old advanced race who had an empire, and it fell. Though their empire was destroyed by a massive civil war, not Chaos.