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Kostyan is a Freedom commander appearing in S.T.A.L.K.E.R.: Clear Sky.


Kostyan is a veteran stalker and exoskeleton operator. He is the leader of Freedom forces in the army warehouses sector, tasked with eliminating the Spetsnaz remnants in the base in order to claim the military base for the faction and secure the Barrier to prevent invading mutants and returning Monolith from overrunning the rest of the Zone.

He is friends with Hog, a mercenary commander who saved his life.


Clear Sky[]

Kostyan's strike team can help Scar reach the transmitter inside the base and give the coordinates of an RPG-7u near the derelict tank near the base's entrance. He uses an SA Avalance and a Black kite pistol. There is a slight chance that Kostyan will be killed while fighting the Military by either the sniper or being overrun by numerous Military troops.


  • He is the only Freedom stalker to use an SA Avalanche in the entire series.