Unidentified Sith apprentice (Karrels Javis's sons)

In 3643 BBY, Serjil Javis and his brother Vargai encountered a Sith apprentice in Imperial space and a dispute broke out. The Sith killed Serjil and crippled Vargai, and the incident disrupted an Imperial Intelligence operation involving Karrels Javis.

Behind the scenes
The Sith apprentice is mentioned in Star Wars: The Old Republic during the Imperial Agent class mission on Hutta.

Appearances

 * Star Wars: The Old Republic