I keep hearing these stories across the campaign and Anna mentions the Big Momma of being it's wife. Could someone please explain what this creature or thing could be?
Urban legend. Ghost of a subway worker. There is a dark stalker in S.T.A.L.K.E.R. too. A guy who reached the sarcophagus and got locked inside by his team over something, died, and got resurrected as a spirit of the zone. It's pretty much Dark %occupation_name% in every profession in RF. Dark as in Black.