Great Beast The Great Beast was a terentatek that lived in the Shadowlands of Kashyyyk until Revan slew it in 3956 BBY . During the long years that preceded its demise , the Great Beast killed many individuals who had come to challenge it , including the Jedi Guun Han Saresh and the Wookiee Chieftain Rothrrrawr . Biography . Beast of the Shadowlands . The creature that came to be known as the Great Beast was a terentatek , a species that fed on the blood of those who were strong in the Force . Such beasts were originally created by the Ninûshwodzakut , or " Knotters of Entrails , " a group of Sith priests who engineered monstruous animals through arcane alchemical processes . Long before the Jedi Civil War that pitted the Jedi Order and the Galactic Republic against the Sith Empire , the creature found its way to the Shadowlands of Kashyyyk , the dark and dangerous ground level that lay at the foot of the mile - high wroshyr trees found on that planet . Eventually , the presence of the terentatek sparked the interest of the Wookiees , a race of hairy mammals native to the arboreal world . In their society , warriors were tasked with raiding the Shadowlands to protect the civilians from the predators that roamed below their treehouses . On rare occasions , the Wookiees also visited the Shadowlands for ritual reasons such as coming - of - age tests . Dubbed " the Great Beast , " the Kashyyykian terentatek was made the central piece of a ritual battle . The warriors who wished to prove their worth in combat would travel to the creature ' s lair and lure it out by tying the corpse of a viper kinrath to a dangling kshyy vine . Attracted by the smell of blood , the Great Beast would turn up , eat the bait and attack the warrior who had summoned it . Although many ambitious Wookiees attempted to kill the creature , few survived the encounter . Despite its dangerousness , the ritual was formalized , as a marker bearing precise instructions was placed under the dangling vine . Killing the hunter . In 3997 BBY , a young student of the Jedi Order named Exar Kun discovered the teachings of the nefarious Sith sect and was seduced by them . With a group of fellow defrocked Jedi Knights , he founded his own Sith Empire . Kun started to wage war against the Jedi Order and the Galactic Republic , the galaxy - spanning governement that the Jedi strove to protect . In hopes of winning the war , Kun engineered various mutant creatures through arcane alchemical processes . Among those dreaded Sithspawns were terentateks similar to the Great Beast . When the war was over , several Jedi Knights participated in the Great Hunt , a collective Jedi effort to eliminate those creatures . In that context , a young Jedi named Guun Han Saresh traveled to Kashyyyk , having heard that a Great Beast lived in the Shadowlands . The Great Beast , however , had been fought by many generations of Wookiees prior to Saresh ' s arrival , proving that it had been born long before the rise of Kun ' s Sith Empire . Regardless the creature ' s true origins , Saresh attempted to take it down . The Jedi , although he did use a bait trick similar to the one described in the Wookiee ritual , did not use the ritual marker and hung a freshly killed batlike mykal instead of a kinrath . The Great Beast still fell into the trap , ready to feast on the corpse . At the beginning , the creature could not see Saresh , who had been waiting for its arrival on some high rocks . The Jedi , armed with a Force - imbued blade , emerged from his perch and stroke a piercing blow to the terentatek . The blade , however , was not solid enough for the creature ' s thick hide , and it was shattered to the hilt . Taking advantage of Saresh ' s surprise , the Great Beast dropped down on the young Jedi and killed him . Breaking the Blade . About a generation before the end of the Jedi Civil War , the Great Beast found a new opponent in the person of Rothrrrawr , the Chieftain of the Wookiee capital Rwookrrorro . The chieftain followed the ritual to summon the creature and confronted it , holding the Ceremonial Blade of his ancestor Bacca . However , Rothrrrawr had been blinded by ambition , and the beast proved to be too strong for him . The chieftain managed to lodge his sword on the creature ' s side , which gave it great pain but only caused surface damage . Rothrrrawr survived the battle , proving luckier than the late Saresh , but losing the blade of his ancestral weapon . From that day on , the Great Beast was forced to live with an injury even as skin started to regrow around the blade . Meeting its doom . In the year 3956 BBY , as the Jedi Civil War was drawing to a close , an amnesiac Revan visited Kashyyyk in search of a Star Map that would help him find the Star Forge . During his journey in the Shadowlands , he discovered the ritual marker and followed its instructions , which prompted the Great Beast to appear . For the first time in its long existence , the terentatek met its match . With the help of two companions , Revan slew the Great Beast and recovered the blade of Bacca ' s sword . Personality and traits . As with all Terentatek , the Great Beast had a hulking frame and was armed with prominent tusks and claws . Although non - sentient , the creature was still crafty , as it avoided to appear before more than one potential adversary at a time . Power and abilities . Thanks to the venomous claws of his species , the Great Beast could poison its adversaries by simply slashing at them . When swiping violently at its opponent , the terentatek could knock him or her backwards .