c. 3642 BBY, Balmorra
|Chronological and political information|
Sith Empire (Formerly)
While stationed on Balmorra, he encountered Kallig, Darth Zash's apprentice. He was subdued by the Sith Lord and taken back to the Imperial Base. There, he developed a serum that would gave Kallig the Colicoid's immunity to toxic waste. Afterwards, Kallig killed Tyrek for treason.
- Star Wars: The Old Republic (First appearance)