X-TR0 was a battle droid with a feminine programming used by the Shroud to guard the museum on the volcano level of The Coil. In 3630 BBY X-TR0 detected intruders in the museum and attacked them, while politely asking them to leave. However, HK-55 and Z0-0M managed to defeat and destroy her.
X-TR0 appears in Star Wars: The Old Republic: Knights of the Fallen Empire during the Interlude: Shroud of Memory.
X-TR0 appears in Star Wars: The Old Republic: Knights of the Fallen Empire during the Interlude: Shroud of Memory.