Battle of Koros Major ( Great Hyperspace War ) During the Great Hyperspace War , this clash was fought between the army of the unified Koros system and the forces of the Sith Empire . In 5000 BBY , Dark Lord of the Sith Naga Sadow gathered an invasion force and launched an attack on the Galactic Republic . A part of the Sith fleet led by Sadow ' s Sith apprentice and Koros Major native Gav Daragon , was sent to conquer the Koros system in a two - pronged attack focused on both his homeworld and the planet Kirrek . The Koros military , commanded by Empress Teta and Vontaige , one of her top advisors and generals , had a diminished fleet due to a recent war but nevertheless believed that they could provide a good accounting of themselves . During the planet - side engagement on Koros Major , Gav Daragon took a dropship down to the main area of battle in the city of Cinnagar to find his sister , Jori , whom he had not seen in a long time . While looking for her with his company of Massassi guards , Daragon had an altercation with a former acquaintance , Aarrba the Hutt , which resulted in the Hutt ' s death . Jori Daragon arrived at that moment and confronted her brother about the Hutt ' s death . Overcome with emotion , Gav fled and abandoned the battle soon afterward , deciding to attack Sadow and end the war . With Gav Daragon no longer present to direct them , the Sith lost the battle . Prelude . In 5000 BBY , hyperspace explorer Jori Daragon returned to her home planet of Koros Major after she had escaped from the long - isolated Sith Empire . Jori , sneaking into Koros system ruler Empress Teta ' s palace , warned the monarch that the Sith were preparing to wage war on the Galactic Republic in an expansionist endeavor . Shortly afterward , a large part of Dark Lord of the Sith Naga Sadow ' s force , led by Sith apprentice Gav Daragon , Jori ' s brother , gathered in the Koros system . A meeting was held in Teta ' s palace , where the Empress appointed Vontaige , one of her top advisors and generals , to help lead her forces against the Sith on Koros Major . Although many of the fleet ' s warships had been destroyed or damaged in the recent Koros Unification Wars , Teta believed that they could still make a good accounting of themselves . The citizens of Koros Major were determined to defend the world with their lives and launched their battleships . The Koros military began to take up defensive positions inside the capital city of Cinnagar , and even Teta herself began preparing for battle , donning a heavy suit of battle armor and wielding a large lance . Jori Daragon also armed herself with a protosaber that had been given to her by Jedi Knight Odan - Urr . The battle . The Sith fleet promptly began to bombard the planet , sending Cinnagar civilians into a panic . Numerous dropships , containing Sith Massassi warriors and war behemoths , launched toward the planet ' s surface . The Koros military utilized anti - aircraft gun s as countermeasures against the incoming ships . These shots were often wild during the onslaught , and some nearly hit residential homes and businesses . Meanwhile , Gav Daragon , despite the objections of his subordinates , took a contingent of Massassi guards with him when he decided to go to the surface of Koros Major in a dropship . Gav told them that he intended to try a shut down of the city ' s defenses to facilitate a near - bloodless victory . He had an ulterior motive , however ; he wanted to know what had become of his sister , Jori . He landed near the repair dock of a Hutt named Aarrba , an old acquaintance of the Daragon family . When Gav asked Aarrba for his sister ' s location , however , the Hutt merely spat in his face . Interpreting this as an attack , Gav ' s Massassi guards stabbed the Hutt in his abdomen . Mortally wounded , the Hutt rolled off his hoversled and crushed the Massassi guards to death . Jori Daragon arrived on the scene at that moment and spotted the dead body of Aarrba . Blaming her brother for the Hutt ' s death , Jori became enraged and slew the lone remaining Massassi guard with her activated lightsaber . With tears in her eyes , she confronted Gav about Aarrba ' s death . Overcome with the emotion of the situation , Gav Daragon fled the scene . He returned to his flagship and abandoned the battlefield of Koros Major to confront Naga Sadow , hoping to end the war that had ravaged his home and driven him and his sister apart . Without their commander , the Sith force was defeated by Teta and the Koros military . Aftermath . Jori Daragon later led Teta ' s fleet in pursuit of her brother Gav , who had found himself in a predicament : he had become trapped aboard Sadow ' s empty Sith Meditation Sphere after Sadow tricked him into coming aboard the vessel by promising to meet him face - to - face . Gav gave the Koros forces the location of the Sith Empire , but soon afterward , Sadow reappeared and triggered a secret weapon to destroy the nearby star of Primus Goluud . The ensuing explosion killed Gav Daragon . Sadow returned to the Sith Empire defeated ; his forces had taken losses at Koros Major , Coruscant , and Kirrek , thereby ending any hope of a victory for the Sith Empire . Teta ' s forces followed him to the Empire ' s holdings and defeated him in battle over Korriban , forcing the Dark Lord of the Sith to fake his death and flee to the faraway moon of Yavin 4 . The city of Cinnagar was greatly damaged in the battle , but it had been fully rebuilt by 3996 BBY and was flourishing at that time . Behind the scenes . The battle on Koros Major is an event that first appeared in " " , a story arc of the comic book series " " , written by Kevin J . Anderson and released in 1996 . The lead - up to the battle and much of the action is featured in the arc ' s third issue , " " , with closure to the Daragons ' saga during the battle being given in the fourth issue , " " . In these appearances , the battle is illustrated by Dario Carrasco , Jr . In addition to these appearances , the battle is mentioned in several reference books , including " The New Essential Chronology " , " " , and " The Essential Atlas " . The battle is additionally mentioned in Gav Daragon ' s entry in " The Complete Star Wars Encyclopedia " .