The Ur-Quan Kohr-Ah are one of the two races of the Ur-Quan species. They share many physical characteristics with their Ur-Quan Kzer-Za bretheren, except that their skin is black instead of green. In the Ancient days of the Dnyarri slave empire, the Kohh-Ah were genetically split off the original brown Ur-Quan to be the Warriors and Laborers of the Dnyarri Empire.
The Kohr-Ah species follows the Eternal Doctrine. It states that all non-Ur-Quan species are to be exterminated. The Kohr-Ah are, also, taken with the belief of reincarnation. They believe that by destroying other sentients, cleansing them, they will allow those people to be reborn as Ur-Quan.The Kohr-Ah are thus completely remorseless killers,able to stare down into the eyes of a newborn child and kill him. The vast size of the Kohr-Ah fleet makes them immensely powerful, at the very least the equal of the Ur-Quan Kzer-Za, whom they fight in an eternal Doctrinal Conflict, fought over supremacy of Doctrine and possession of the Sa-Matra Precursor Battle Platform.