Utani Xane Utani Xane was a Kallidahin who served as a curator of Quarantine World III , a quarantined planet which housed the dangerous Triple - Zero protocol personality matrix . When the archaeologist Doctor Aphra attempted to steal the matrix from the world , Xane confronted her with a group of B2 super battle droid s and reclaimed the stolen object . The Sith Lord Darth Vader then arrived on Quarantine World III searching for Aphra , whose help he desired . Xane protested the Sith ' s presence on the world , as it broke several treaties , but was then killed by Vader along with the battle droid s . Biography . During the Galactic Civil War between the Galactic Empire and the Alliance to Restore the Republic , the Kallidahin Utani Xane served as the curator of Quarantine World III , a planet which safely housed dangerous quarantined artefacts such as the Triple - Zero protocol personality matrix . In 0 ABY , the vault containing the personality matrix was broken into by the rogue archaeologist Doctor Aphra , a troublemaker who Xane had encountered in the past . During her heist , the doctor triggered the vault ' s alarms , attracting the attention of Xane and a squad of B2 super battle droid s , who cornered Aphra and reclaimed the matrix before taking her captive in the hopes of having her sent to prison . Before Xane was able to return the matrix or lock up Aphra , the curator was warned by a battle droid that a single TIE fighter was approaching their location . Accompanied by the droid s and Aphra , Xane confronted the starship ' s pilot , the Sith Lord Darth Vader , on the hangar platform where the TIE had landed . The Kallidahin protested that the Sith ' s presence was in violation of a number of treaties , but Vader took no notice and used the Force to hurl several of Xane ' s battle droids from the hangar platform they were stood upon . Shocked by the Sith ' s attack , Xane protested and then attempted to flee while Vader used his lightsaber to destroy the remaining droids ; however , seeing her chance , Aphra launched herself at Xane and knocked the Kallidahin to the ground , sending the personality matrix flying from the curator ' s grasp and over the edge of the platform . The Doctor leapt after it and was able to grab the matrix while still holding on to the platform ' s edge . Vader meanwhile , approached Xane , who was still prone on the platform floor , and drove his lightsaber into the curator ' s back , killing the Kallidahin . The Sith then informed Aphra that he required her aid and after he helped her up from the edge , the pair left Quarantine World III . Personality and traits . Utani Xane was a Kallidahin with gray skin and black eye s . The curator had encountered Doctor Aphra prior to her attempts to steal the Triple - Zero personality matrix and was unsurprised that she was attempting such a heist , as Xane considered her irresponsible and troublesome . In return , Aphra believed that Xane was small minded , and wasted items as important as the matrix by hiding them away in museums or storage where they could not be used . Xane was bold enough to confront Darth Vader over his presence on Quarantine World III , but quickly attempted to flee once the Sith became violent . Behind the scenes . Utani Xane first appeared in the comic book " " , which was written by Kieron Gillen , illustrated by Salvador Larroca and released in 2015 .