• NATIVE SPECIES ————— YSANNA (MODERN) ————— MANY SPECIES (HISTORIC)
• IMMIGRATED SPECIES ————— HUMANS
• POPULATION ————— 250 MILLION (MODERN); 85% HUMANS, 15% OTHER ————— 3,750,000 (GALACTIC CIVIL WAR); 99% YSANNA, 1% OTHER ————— 250 MILLION (HISTORY); 15% YSANNA, 10% HUMANS, 75% OTHER
• MAJOR CITIES ————— KNOSSA (CAPITAL) ————— MANY OTHER
• MAJOR IMPORTS ————— TECHNOLOGY
• MAJOR EXPORTS ————— NONE
• AFFILIATION ————— XIM'S EMPIRE ————— JEDI ORDER ————— GALACTIC REPUBLIC ————— CONFEDERACY OF INDEPENDENT SYSTEMS ————— NEW REPUBLIC ————— NEW JEDI ORDER ————— GALACTIC FEDERATION OF FREE ALLIANCES
OSSUS, originally called Idux whilst under the control of Xim's empire, was the third planet in the Adega system in the Auril sector. Known to the galaxy since before 25,000 BBY, when the Jedi expanded there from the planet Tython and established a Jedi Academy, Ossus would become a popular world of the Galactic Republic. This world would also become a place of great importance to the Jedi, as the site where they stored the sum of their knowledge, though such attentions came at a price.
WHEN the Jedi Knight Exar Kun turned to the dark side and became the Dark Lord of the Sith, catapulting the galaxy into the Great Sith War, he attacked Ossus, desiring Sith secrets hidden by the Jedi. During the events this action incited, the Cron Cluster was detonated, spreading a shockwave around the galaxy. Originally a rich, lush world, Ossus was ravaged into an arid and toxic planet when the wave struck the planet.
OVER the passing generations, these people would become more feral, forgetting their heritage and the Force while regarding their abilities from it as magical. They became the Ysanna, Ossus's only native sentience. They, along with the planet, lived in peace with the rest of the galaxy through the Clone Wars between the Republic and Confederacy of Independent Systems, when Ossus primarily became a planet of archaeological importance to the Jedi. Once the Galactic Empire rose to replace the Republic, such studies into the past of the Jedi were halted, however.
OSSUS saw major use during a time of war, for the first time since the Sith War of 3996 BBY, during the Yuuzhan Vong War of 25 ABY. Ossus regained its standing with the Jedi, revived as the New Jedi Order, following the war. Jedi Grand Master Luke Skywalker reopened the Academy there and made it the headquarters of their organisation, though he later returned that distinction to the Jedi Temple on the galactic capital of Coruscant.
ORBITED the two stars of the Adega system, Adega Prime and Adega Besh. Unlike the other five planets in the system, which circled the center of mass of the two binaries, Ossus orbited both its suns in a figure-eight trajectory.
ORIGINALLY was a rugged, lush world with two-thirds of its surface covered in water and an abundance of flora and fauna. In 3996 BBY it was transformed with the destruction of the Cron Cluster into a desolate, irradiated desert world. Chemical and electrical storms swept the land, and little life remained on the surface. Over 4,000 years later, the damage done to the planet seemed to have been reversed. Within a century after this, the destruction done to Ossus was fully reversed with the terraforming technology of Yuuzhan Vong Shapers, who caused the planet to once again teem with life.
BEFORE the Cron supernova, Ossus had a population in the hundreds of millions, inhabiting cities across the globe. The principle city was that of Knossa, whose spaceport was the main thoroughfare for arriving and leaving Ossus. The Cron incident destroyed most of the buildings in these cities.
THOUGH a world of peace, Ossus was not a defenseless planet. Scattered ground emplacements protected it from aerial attack. During the various wars with the Sith, Ossus was used as a staging ground for Jedi and Republic forces. The planet also maintained a well-equipped military fleet for defense. Law enforcement consisted of Jedi Guardians who maintained security in the cities.
ADEGA system was artificially designed. However, despite the diligent efforts of archaeologists, no such evidence was ever uncovered.
ORIGINALLY known as Idux, it was absorbed into Xim's as he expanded his borders from the Kingdom of Cron. At some time before 25,000 BBY, a group of Jedi Knights from Tython established a school of philosophy there where the concepts of the light and dark sides of the Force were laid down. Here, too, the philosophies of the Living and Unifying Force were established.
YSANNA felt the Force, but they were untrained, and their use of it was weak. However, it was enough to give them an advantage in their harsh environment, particularly in guiding the projectiles from their weapons to strike more accurately. A species of massive, hardy quadrupeds had survived the disaster too, and the Ysanna trained them as mounts. They adorned themselves in ritual masks based on artifacts of the dark side they had uncovered from the ruins of the Great Library. Though they had forgotten the specifics of their Jedi ancestors, they still held the ruins of the Order in reverence.
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JEDI heritage of knowledge and wisdom lost through generations of hardship and ignorance, the Ysanna degenerated into superstition. Their use of the Force diminished to nothing but simple tricks performed by unintelligible wizards, known to them as Ysanna magic. Their superstition built upon the remaining Jedi and Sith artifacts left on the world from its speedy evacuation. The Ysanna wizards used various Sith masks in battle to intimidate their enemies and when protecting the Jedi ruins from trespassers, graverobbers, tomb raiders or anybody that would walk on their sacred ground. They had a polytheistic religion.
OTHER inhabitants arrived on Ossus in the intervening, including those stranded by shipwrecks and the occasional squatter. Travgen, one of those who had chosen to come to Ossus, believed visitors to Ossus to be a threat to him, and attempted to scare off expeditions to the world. With the rediscovery of Ossus in 10 ABY and the eventual establishment of a new Jedi academy there, the planet once more became populated with Jedi. The Ysanna continued their lifestyle much as it was, now hosts to visitors from across the galaxy. Some Ysanna chose to join the Jedi and learn the ways of the Force.
