The Eldar are an ancient race of aliens, whose soldiers spend lifetimes mastering their path in warfare. Many Eldar possess strong psychic abilities, including the ability to see into the future. With their psychic abilities and advanced technology, highly mobile Eldar forces can leave an enemy reeling and chasing shadows.
The Eldar in Sub-Sector Aurelia are an unseen hand in many events. The Eldar of Craftworld Alaitoc are led by Autarch Kayleth, and her elite force is the focus of the Eldar campaign in Dawn of War II: Retribution.
Prophecy guides the Eldar Campaign in Dawn of War II: Retribution. Opening the campaign is Kayleth on a mission to reach a human, a "Scion of the Emperor", before the Ork savages that are patrolling the area. The Ork Freebooters are getting in the way of their mission, and must be dealt with.