Savage Opress Savage Opress was a Dathomirian Nightbrother who became a Sith apprentice under his brother , Darth Maul , during the Clone Wars . Biography . The Clone Wars . Born on Dathomir to Mother Talzin , Opress was handpicked by the Nightsister Asajj Ventress to become her servant following her grueling tests of Selection , as part of her bid for revenge on her former Master , the Sith Lord Count Dooku . In accordance with their plot against Dooku , Mother Talzin and her Nightsister witches employed their magick s to grant Opress fearsome abilities , placing him under their control . After murdering his beloved brother Feral in a display of loyalty to Ventress , Opress entered the Clone Wars as a Sith apprentice , serving as an enforcer in Dooku ' s Confederacy of Independent Systems . He executed a mission against the Galactic Republic at Devaron ' s Temple of Eedit , slaying his first Jedi , Master Halsey and Padawan Knox , in the former campaign . Opress soon became apprenticed to Dooku , who intended to use his new acolyte to overthrow his own Master , Darth Sidious , and claim control of the galaxy . Brothers Reunited . While Opress was subjected to brutal Sith training under Dooku ' s charge , Ventress prepared to pit the monstrous Nightbrother against Dooku . Yet when Ventress ' s plans for revenge culminated at Toydaria , she and her ex - Master found that neither of them could contain Opress ' s impulsive nature and rage . In what became a three - way lightsaber battle , Opress overcame Ventress ' s spell of control and also terminated his service to Dooku , further battling his way through Jedi Knight Anakin Skywalker and Jedi Master Obi - Wan Kenobi before escaping to Dathomir . After learning from Talzin of his kinship to the former Sith apprentice Darth Maul , Opress rescued his weakened brother from the depths of Lotho Minor and brought him home to Dathomir , where Talzin restored his mind and body . Opress then became involved with Maul ' s pursuit of vengeance on Kenobi , who had cut him in half over a decade ago in the Theed Royal Palace , on Naboo . Although Kenobi escaped from them with the aid of Asajj Ventress during a confrontation at Raydonia , Opress and Maul continued their plans for revenge and galactic domination , turning to the criminal underworld to achieve their needs . Opress and Maul cut a swath through the Outer Rim , battling through civilians and Jedi Knights alike who stood in their way . As part of Maul ' s plans , Opress became a Sith Lord , but he was forced to become the apprentice — submitting to his brother , the Master — in accordance with the Sith Rule of Two . While attempting to recruit Weequay pirates into their service on Florrum , Opress killed renowned Jedi Master Adi Gallia , though he soon thereafter lost his left arm to Kenobi ' s lightsaber . Opress ' s death . Kenobi then chased Opress and Maul off Florrum , destroying their ship and leaving them stranded until they were discovered by members of the Death Watch , a group of Mandalorian warriors led by Pre Vizsla . Opress , Maul , the Mandalorian s , and various criminal groups in the galaxy , including Black Sun , Pyke Sindicate , and Hutts formed an alliance to overthrow the pacifist rulers of the planet Mandalore , and even though the operation ended successfully , Viszla and his men arrested Opress and Maul . After breaking free from prison with Mandalore ' s incarcerated Prime Minister , Almec , Opress and Maul seized control of Mandalore after Maul killed Viszla in lightsaber combat . Their rule of Mandalore attracted unwanted attention from Maul ' s former Master , Darth Sidious , who saw the power of the two Sith brothers as a threat to the dominance of his Sith Order . Sidious traveled to Mandalore and confronted the two , fatally impaling Opress , who in his dying breath expressed regret for never having been Maul ' s equal . As he died , a green mist emanated from his body and his armor disappeared . His muscles and physique reverted back to their form from before the Nightsister ritual .