Nightsister lair The Nightsister lair was located on the planet Dathomir and served as the lair for the Force - sensitive Nightsisters . History . Clone Wars . After Asajj Ventress survived Dooku ' s assassination attempt on her at Sullust , she returned to Dathomir and landed outside of the fortress . She was then taken to the village and received treatment from Mother Talzin and her Nightsisters and launched an assassination attempt against the Count . Shortly after this , Dooku arrived at the village to accept Talzin ' s offer of a new assassin / apprentice . However , Talzin used the offer to actually plan to kill Dooku . Ventress then left to find a worthy Nightbrother to be her tool . Ventress then returned with Savage Opress , who was transformed into a monstrous warrior . The other Nightsisters then brought in his brother , Feral , and ordered Savage to kill him . Following his actions , Savage was then taken to Dooku . Jedi Master Obi - Wan Kenobi and Knight Anakin Skywalker then came to the fortress , where Talzin revealed the name and the location of the Nightbrother they sought . Following the Jedi ' s meeting , Savage returned to the village , where Talzin healed him and sent him on a quest to find his brother . Ventress then returned and was baptized and inducted into the Nightsisters . However , Dooku and Sidious then sent General Grievous to wipe out the Nightsisters . At first , Ventress , the Nightsisters , and Old Daka ' s Army of the Dead , were able to hold out against Grievous ' s horde . Talzin , in a Hidden Cave , then used her magick to torture Dooku , threatening to kill him if he did not stop the attack . Grievous , following the green mist , then stopped Daka ' s and Talzin ' s magic . Though the Nightsisters were destroyed and their fortress was in ruins , Talzin and Ventress survived . Talzin remained in the ruined village and monitored Savage Opress ' s progress in his quest using her magicks . He returned with Maul not long after and Talzin led the two brothers to the altar , where she used her magick and parts of Super Battle Droids to repair Maul ' s broken mind and body . Talzin vanished afterward A few months before the end of the war Asajj Ventress brought Quinlan Vos to Dathomir to teach him the ways of the dark side , believing it would help him in their mission to assassinate Dooku . She led the Jedi Master into the decrepit village during a training duel , then tasked him with killing the Sleeper creature that resided in the waters of the village . Vos was able to do so with some difficulty . Their mission failed , and Ventress ultimately sacrificed herself to save Vos . Her body was returned to the waters of the village where she was baptized and was greeted by the voices of her dead sisters . Age of the Empire . Following the establishment of the Galactic Empire , Maul had taken residence in the Nightsisters ' former lair , where he amassed an entire collection of memorabilia from his time during the Clone Wars including the Darksaber and a portrait of the Duchess Satine Kryze . Maul ultimately sought to discover the location of his old nemesis Jedi Master Obi - Wan Kenobi by recovering the last fragments of the holocron ' s visions from Ezra ' s mind . Maul brought Ezra into his lair after the latter agreed to travel with him to Dathomir to protect the location of Chopper Base . When Ezra noticed the Darksaber , Maul reprimanded him for touching it and told him that his Mandalorian friend Sabine Wren could better explain the artifact ' s history . In a ritual to complete their shared vision , Maul and Ezra drank a magick potion that caused their eyes to turn bright green and shoot beams of light into a cloud . As a result , Maul learned that Kenobi was hiding on a planet with twin suns . Ezra learned that Kenobi held the key to destroying the Sith . Following the ritual , the spirits of fallen Nightsisters emerged to demand that the two pay the price of flesh and blood . Maul and Ezra attempted to flee but Kanan Jarrus and Sabine then entered the cave , having tracked Ezra ' s wrist comm . Following a gunfight , the spirits possessed Kanan and Sabine ' s bodies . The possessed Kanan and Sabine then proceeded to attacked Maul and Ezra . However , they managed to reach the cave ' s entrance . Since the altar was the source of their power , the spirits were unable to leave the cave . Having accomplished his objective , Maul then made preparations to leave on his ship " Nightbrother " and offered to take Ezra as his Sith apprentice . However , Ezra refused to abandon his friends and the two parted company . Ezra returned to the cave to exorcise his friends . He encountered Sabine and managed to exorcise her by pushing her outside , causing the spirit to leave her . Ezra then found Kanan sitting on top of the altar . He then offered to trade his body in return for the Nightsister spirits releasing Kanan ' s body . The spirits agreed on the condition that Ezra best Kanan in combat . After defeating Kanan , the spirits released him . Ezra then used the Darksaber and his green lightsaber to destroy the altar ; vanishing the spirits . Later , Ezra told Kanan and Sabine that Kenobi held the key to destroying the Sith . After resolving to stop Maul from killing Kenobi , Sabine took the Darksaber , an ancient Mandalorian weapon .