These side quests in the game S.T.A.L.K.E.R. 2: Heart of Chornobyl will become available after you explore the Rostok location. As with other traders, the quests range from simple to more complex, and accordingly, the rewards for them also vary.

After meeting Dr. Dalin and Scar, it was revealed that the unusual PDA obtained by Skif is actually a Monolith device. The trail leads to the Noon Base, which is almost entirely composed of former monolith members. Skif needs to find their leader and have a heart-to-heart conversation with him in S.T.A.L.K.E.R. 2: Heart of Chornobyl.

While completing the storyline quest A Minor Incident in S.T.A.L.K.E.R. 2: Heart Of Chornobyl, when you reach the Malachite region, a side quest will appear on your minimap. Below we will explain how to complete it.

During the story mission Just Like the Good Old Days in S.T.A.L.K.E.R. 2: Heart Of Chornobyl, when you need to help fix the ventilation and find the signal source, a marker for this side quest will appear on the map. We explain how to fend off the attack of Monolith fighters, bypass the Bulba anomaly, find the hidden weapon of Koldu, locate the surgical kit of Nikolaich, and neutralize Uncle Lenya.

After dealing with the bandits at the Garbage Heap in S.T.A.L.K.E.R. 2: Heart of Chornobyl, Skif is once again at a dead end. The only clue he has left is a strange PDA he took from a corpse at Varan's base. He needs to discuss the find with Kondyor, but the plans will change due to unexpected guests.