Beast of Marka Ragnos The Beast of Marka Ragnos was a Sithspawn terentatek that was kept as a pet by Marka Ragnos , an ancient Dark Lord of the Sith and ruler of the Sith Empire . Following Ragnos ' demise in 5000 BBY , the Beast was left to guard the resting place of its master on the planet Korriban . After centuries of isolation in Ragnos ' caverns , the Beast was ultimately slain by a rising star of the reconstituted Sith Empire who had entered the tomb as part of the Sith Academy ' s trials . Biography . As its name implied , the Beast of Marka Ragnos once belonged to the Dark Lord of the Sith Marka Ragnos , who ruled over the Sith Empire for a standard century . The Beast was a giant terentatek , a species that had been created by the Ninûshwodzakut , a group of Sith priests who used manipulated breeding and alchemy to produce fearsome creatures . Legend held that Ragnos , despite considering the Beast his " pet , " used to beat it at night in order to increase its ill emotions . The same legend also reported that the Beast was only fed with blood between two periods of deprivation , which gave it an unquenchable thirst for more . By dint of torture , Ragnos ' pet was ultimately turned into an embodiment of pure hatred . Since it had been altered by the Sith to be more brutal , the creature had become what was called a Sithspawn , and it pulsated with the darker aspects of the Force . When Ragnos died in the year 5000 BBY , the Beast was left to guard the burial chamber of its master , nestled in the Valley of the Dark Lords on the planet Korriban . For many centuries , the Beast of Marka Ragnos served its purpose , and no one who had seen it lived to tell the tale . Around 3643 BBY , toward the end of the Cold War between the Galactic Republic and a reconstituted Sith Empire , Overseer Tremel of the Korriban Sith Academy ordered a promising Sith Warrior to enter the tomb as a test of worth . Tremel advised his acolyte to hold nothing back , as he considered the creature to be " doom itself . " The Sith Warrior discovered the reliquary containing an ancient Sith carving that could summon the Beast and meditated around it for a moment , prompting the creature to appear . True to its mission , the Beast confronted the Sith Warrior but was ultimately slain . Since Ragnos ' pet had been a great source of dark energy on the planet , its death caused a disturbance in the Force . Personality and traits . Like all terentatek , the Beast of Marka Ragnos was a massive biped distinguished by its thick forearms , the spines growing from its back , and a pair of poisonous tusks . Its thick , hairless hide had a grayish hue . Powers and abilities . As a non - sentient life - form , the Beast only used brute force to attack its enemies , but it could also stun them with a blow of its fists . Its powers were great enough to impress a confirmed Sith Overseer and prompt him to advise caution about fighting the creature . In fact , Tremel explained that a vergence in the Force was located on the Beast , which was itself a source of dark energy . Behind the scenes . The Beast of Marka Ragnos appears in " " , a massively multiplayer online roleplaying game released by BioWare and LucasArts on December 20 , 2011 . The creature must be faced during the Sith Warrior - class mission " Slaying the Beast , " in which the player must fight the Beast to prove the player ' s worth . The beast was also featured in the 2012 reference guide " " .