Something to add to the loot table

[Wolf sword]

PC find some films DVD or VHS of a western, but it is western made in East Germany.
Yes it was a real thing in eastern Europe
https://en.wikipedia.org/wiki/Ostern

[Raellus]

Great find. Now I'm going to have to work up a former East Bloc military PC whose background includes working as an extra (or stuntman) in Ostern films.

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[Wolf sword]

I double checked this, the first Witcher story was published in 1986 the book of the first 3 short stories was around 1990
So the PC could find a copy of The Witcher (in the original Polish) as loot.
Or they could run into the author: Andrzej Sapkowski.