Emperor ' s plague storehouse The Emperor ' s plague storehouse was an uncharted asteroid in the Deep Core which had been one of Emperor Palpatine ' s secret research facilities during the Imperial era . It took six separate jumps into hyperspace and twice as many hours to get to the asteroid since there was no direct route available . Description . This asteroid depot was a maze of pressurized domes , tunnels and sealed chambers storing various biological weapons capable of affecting a wide range of species including the infamous Krytos virus and a Human - specific virus known as the Emperor ' s Plague . Its central hub stored the majority of these viruses and was filled with rows of cylinders and tanks . There was also a series of docking bays on the rim of the plague storehouse . Several sealed chambers contained the deceased corpses of experimental subjects who were predominantly non - Human or other enemies of the Empire . History . This plague storehouse had once been the headquarters of the Imperial scientist Evir Derricote who had been responsible for the Krytos virus — a bioengineered virus which afflicted countless alien species following the Liberation of Coruscant in 7 ABY . Prior to his first death at the Battle of Endor in 4 ABY , Palpatine ordered that samples of the human - specific Emperor ' s Plague be stored in the hidden weapons depot . He also had the depot ' s coordinates removed from Imperial archives to hide its location . Only a few high - ranking Imperials were aware of the existence of this station and its depot . In 24 ABY , an alien scavenger named Fonterrat came across the Emperor ' s plague storehouse . Though the Galactic Empire had been defeated , this plague warehouse still remained with its supplies of deadly diseases . He then offered to sell a navicomputer module containing information of the plague storehouse to Nolaa Tarkona knowing of their hatred of Humans though he refused to deal directly with her , suggesting that she sent a neutral party to meet him on Kuar . When negotiating , he also provided her with one sample of the virus which she use to seal his payment . The neutral party turned out to be the a wealthy Human merchant and shipping tycoon named Bornan Thul , the owner of Bornaryn Trading . In exchange for the navicomputer module that contained the coordinates for the asteroid , Bornan paid with a time - locked case filled with credits . Bornan was then supposed to deliver it to Nolaa at a trade conference on Shumavar but he found out about what lay within the plague warehouse and went into hiding . Nolaa also captured the last surviving member of the Imperial Royal Guards who had led the Second Imperium ' s insurgency in 23 ABY and interrogated him over the location of the weapons depot so that she could lay her hands on its deadly cache of biological weapons . When he refused to cooperate , she had him murdered by using a sample of the Emperor ' s Plague . Enraged , Nolaa hired numerous bounty hunters to locate Thul and bring back the navicomputer . Among those bounty hunters was Ailyn Vel , disguised as her father Boba Fett . In response to this , his son Raynar Thul — who was a Jedi trainee at the Jedi Praxeum on Yavin 4 — along with his Jedi companions Jacen , Jaina Solo , Tenel Ka , the Wookiee Lowbacca and his translator droid M - TD went on his trail . They would later be joined by Zekk . After encounters with bounty hunters and visits to several worlds including Mechis III and Ziost , they caught up with Bornan and learned the reason he had gone into hiding . They then manage to find the asteroid depot and plant explosives in it . However , a Diversity Alliance fleet under Nolaa herself arrived . During the ensuing chaos , Bornan and several of the Alliance members including Nolaa herself were infected with several deadly plagues released from smashed canisters and tanks . Bornan contracted a Human - specific virus and died . Help for the Jedi arrived in the form of the New Republic Defense Fleet and the Bornaryn Trading Fleet which defeated the Alliance fleet during the ensuing battle . After the Jedi evacuated the asteroid depot , the combined New Republic / Bornaryn fleet destroyed the plague warehouse , thus destroying the plagues stored within it . Nolaa Tarkona managed to escape with the Wookiee Raaba on her transport " Rising Star " though she later died on an uncharted asteroid in the Outer Rim . Behind the scenes . It is unknown how the warehouse came to contain Krytos virus samples , when it was closed off before the virus was actually invented .