According to his info-box, Xim was born on Argai. He was the son of his father, much to his mother's relief as the penalty for adultery was quite harsh at that time. His father was the pirate king of Crom, Xer VIII, a man whose surname derived from his Level 8 scoundrel character, Xer. Xim's career path led him into organized crime, which doubled as politics for the Kingdom of Crom. Untalented at tabletop gaming, as had been his father whose Level 8 scoundrel remained at that level for sixteen years, Xim turned to real-world warfare, invading and conquering many worlds with state-of-the-art technology, including boomsticks and war droids. To maintain control he utilized his secret police, the GenoHaradan, a group so secretive its members were unaware of their membership, and terrorist tactics like mass execution and genocide. Eventually, thousands of worlds were in his power.
Unfortunately for Xim, competing interests brought him into conflict with the Hutts. The precise nature of these interests is disputed, but records surviving from that time indicated ornithology and wine-tasting were involved. Over the course of many battles, Xim's fleets and armies were broken, and finally, in 25,100 BBY, he was defeated and captured by Cossack the Hutt. Xim did not get out of jail free, did not pass go, did not collect two hundred credits, instead dying in his cell five years later—a redundant date because it is provided in his info-box.