Sentient
The Sentients are an artificial race from the Tau System that were the chief enemies of the Orokin during the Old War. Originally suspected to be a truly alien race (whereas the Orokin, Grineer, Corpus and Tenno are all human or trans-human variations originating from Earth, and the Infested are a successive mutation of them), memory imprints provided by Cephalon Simaris revealed that they were originally created by the Orokin as terraforming machines, to be sent to the Tau System. alluding to their home system.
