Adcro Sector
 Sector 64 - 5


This sector contains the planet Ossus.


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Adega System
The Adega system, one of the six remaining Auril systems, contains two suns which the planet Ossus orbits in a figure-eight trajectory. The system is the main source of Ilum crystals (sometimes called Adegan crystals) which were used in the earliest Jedi lightsabers. Bodo Baas, gatekeeper of a Jedi Holocron, was part of a group of Jedi that lived six hundred years ago in the Adega system. Indigenous life in the system includes the Adegan eel.

Adega
This is the primary world of the System and was the site of an important Jedi stronghold.

Adega I
One of the twin Agegan suns that is orbited by the planet Ossus in a figure-eight pattern.

Adega II
One of the twin Agegan suns that is orbited by the planet Ossus in a figure-eight pattern.

Ossus
Ossus, located in the Adega system (one of the six remaining Auril systems in the Auril sector), orbits the twin Adegan suns in a figure-eight trajectory. It was an important Jedi stronghold and learning center in ancient times, and there is some speculation that the Order of Jedi Knights began on this planet. Ossus was once covered with many cities and ground defenses, and the Knossa spaceport was located near a range of rocky mountains. Points of interest on the Jedi world once included the Great Jedi Library and the peaceful Gardens of Talla. The steep canyon walls are still covered with elaborate murals, and the planet's atmosphere is charged with occasional electrical storms. Although Ossus' golden age is long past, some of the ancient buildings that still stand include the library and a Jedi meditation chamber.

Nearly 4000 years ago during the Great Sith War, the fallen Jedi Exar Kun visited Ossus to recruit twenty Jedi knights into the Sith cause. Before he departed, Kun killed Master Odan-Urr and stole a Sith holocron from the Jedi Library. Later, an Ossan Jedi fleet was dispatched to the nearby Cron Cluster to defend the besieged station Kemplex Nine. The fleet was destroyed when the Cluster went nova, and the resulting shockwave threatened to devastate Ossus. An evacuation of the planet was immediately ordered, and as many ancient relics as possible were loaded onto transports. At the same time, however, Exar Kun and Ulic Qel-Droma appeared with their armies to loot the world of its valuables before the shockwave arrived. Kun battled the Neti Jedi master Ood Bnar, who turned into a unyielding tree to protect a trove of the earliest known lightsabers. Meanwhile, Ulic confronted and killed his brother Cay, and was seized with horror and regret over what he had done. The Jedi (with the notable exception of Ood Bnar) left the planet just ahead of the shockwave, which scorched and nearly wiped clean Ossus’ surface. Some Jedi survived, however, after hiding their families in Ossus' great caverns, and their descendants grew into the Ysanna, a tribe of warrior-shamans who use the Force to guide their primitive weapons. A 10,000 year-old lightsaber, given to Leia Organa Solo by Vima-Da-Boda, surfaced 800 years ago in an archaeological dig on Ossus. Six years after the Battle of Endor, Luke Skywalker visited an arid, sandy portion of the planet and discovered the Ysanna tribe.

Skywalker and Kam Solusar also fought the forces of Darkside Executor Sedriss and unearthed the vault of lightsabers long hidden beneath the roots of Master Ood, who bravely sacrificed his own life to end Sedriss'. At the time of Skywalker's departure, the New Republic was planning to send in excavation teams to explore Ossus' ruins. Soon after, several of the Emperor's warriors came to Ossus and captured three Ysanna leaders, whose bodies were to be used as raw material to create new clones for Palpatine. Skywalker and his Jedi trainees followed the darkside kidnappers and defeated them on Vjun, but were unable to free the captured Ysanna from their carbonite imprisonment. While on an undercover mission to Borgo Prime thirteen years later, Skywalker and Tenel Ka claimed that they needed Corusca gems to open a sealed treasure vault located on Ossus.


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