The Battle of Tion was fought between the Kingdom of Cron of Pirate King Xer and the Back Spiral in the Pre-Republic era, at the planet Tion. Following the defeat of King Ferece, Xer installed himself as the new King of Cron and launched a series of campaigns to take control of the Tion Cluster. After have conquered the complete Kingdom of Cron and defeated the Three Allied Kingdoms, Xer attacked the worlds of the so-called Back Spiral. After his victores at Caluula and Brigia, Xer finally defeated the Back Spiral at Tion and built gleaming palaces on Raxus Prime. Although his empire reached its greatest extend, one power managed to stand against the Pirate King: the Livien League.