The prehistoric artifact reward in "Stalker 2: Heart of Chernobyl" is a very precious thing in the game, but many players don't know how to get it. In fact, if you want to get the prehistoric artifact, you can go to the abnormal area. Using an echo sounder, you can find artifacts with this thing.
How to obtain prehistoric artifact rewards in S.T.A.L.K.E.R. 2: Heart of Chernobyl
Keep an eye on your echo detectors for signs of prehistoric artifacts. Anomalies are dangerous and erratic disturbances that occur throughout the Quarantine.
.Some areas have more anomalies than usual, but they may also hide rewards known as prehistoric artifacts.