Primitus was born to a Unknown Woman and a Prophet of the Dark Side on the world of Dromund Kaas in 50 BBY, he spent ten years of his childhood learning the basics needed for survival in the Galaxy and the secret arts of the Prophets, around the time of his tenth Birthday he had become so prodigally powerful that Darth Plagueis the Wise came to Dromund Kass to locate him and took him from the Prophets and killed Primitus' master when he was the only one to disagree.