Vyktor Kratek

Colonel Vyktor Kratek was a member of the Helghast Military and was a zealot for the cause of Helghast superiority. He was responsible for the helghast conquest of the city of Diortem, Vekta whichput ISA resistance to the brink of collapse until mercenaries were hired to help assist the remaining ISA Forces. He was cunning and ruthless in achieving his goals and one of his roles was that he was an experimental weapons developer and researcher for weapons on Helghan.

Early Career
prior to Kratek's service in the Helghast military, Kratek had been researching on experimental weapons on planet Helgan and the advances in Helghast weaponry. His resaerch had eventually caught the attention and trust of Autarch Scolar Visari who was promoted to Colonel as a result of his assistance to the Helghast Army. Following his promotion, Kratek was deployed to Vekta during the Helghast invasion by Armin Metrac and was tasked with the goal of capturing and interrorgating ISA Admiral Alex Gray and soon began his conquest of Diortem.

Invasion of Vekta
During the invasion of Vekta Kratek was tasked with conquring the city of Diortem, a strategic landpoint and Kratek and his forces had overwhelmed the ISA Forces pushing them back to the brink of collapse. During the events of Killzone: Mercenary Kratek has taken over Diortem and stolen advanced ISA weaponry but Alex Gray ois the only one who can grant access to the weapons. In response, Kratek interrorgates her in the Halls of Justice building and even gasses a room of ISA troops to convince Gray to talk but she dosn't and flees but not before shooting Grey when Mercenaries showed up.