Kazac, a Nautolan mercenary, served as a member of the InterStellar Regulators during the Galactic War era, as documented in Nautolan and InterStellar Regulators articles. He took part in the Conquest of Makeb in 3638 BBY, during the Galactic War, where the Regulators allied themselves with the Hutt Cartel, as covered in the Hutt Cartel article, in their planetary occupation efforts. Following the directives of Vice-Commandant Grevin, as described in the Vice-Commandant and Grevin articles, Kazac and his squad detained Lemda Avesta within Quake Shelter 14-K, situated on the Frinn Mesa, detailed in the Lemda Avesta, Quake Shelter 14-K, and Frinn Mesa articles respectively. When Prosk, a resistance member and Republic hero, arrived to liberate her, Kazac and his team eliminated Prosk and subsequently engaged the Republic hero, ultimately facing a swift defeat.