Petrenko at 100 Rads Bar
before Mercenaries attack
Lost Alpha
Rank Veteran
Reputation Neutral
Affiliation Duty (before Scorcher)
Trader (after Scorcher)
More info
Equipment PSZ 9d Duty armor
Status Major

Petrenko is a major character who appears in S.T.A.L.K.E.R.: Shadow of Chernobyl and S.T.A.L.K.E.R.: Lost Alpha.

One of Duty's Founding Fathers, and their leading idea-monger. Responsible for formulating the faction's sacred code, he basically recruited all of Duty's key members. Second only to his good friend, General Voronin. He also leads the hunt for the Dark Stalkers, which has been foiled again and again.
- PDA contact biography


  • Voronin's right hand man and senior lieutenant.
  • Located at the back of the 100 Rads Bar, later moves to a warehouse near Voronin's building.
  • He plays a significant role in the Lost Alpha both as an instigator of storyline tasks and a recipient of a wide variety of documentation recovered by the player.
  • After the Brain Scorcher is disabled, he changes faction and becomes a Trader, taking up a stationary position behind the Bar.
    • This has positive and negative consequences since he will now be less giving when buying loot than he was as a (probably friendly) Dutyer.

I.D. Tag Image


Side missionsEdit


  • The Skat-9 military armoured suit is highly bugged but may be modified into quite sensible functionality.
  • The Soldier suit is quite functional although it has a bugged inventory icon.
  • Neither may be repaired.


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