Xais, a planet found within the Rocun Cluster of the Outer Rim Territories, contained only one inhabited location: a one-time gas refinery. After the Battle of Galov, Xais became a base of operations for the Nihil marauder group, who took control of the gas processing plant. As part of a scheme to infiltrate the Nihil, Jedi Knights Keeve Trennis and Terec pretended to be marauders and tricked the Nihil into rescuing them from a staged skirmish with the Jedi Order; this led to their arrival on Xais, where they encountered Tempest Runner Zeetar.