My friend claims the gun is OP. The Mysterious Serum - #141256992 added by funpunk at Fayy Lmaot 4
TIL You can use the mysterious serum to save Andre : r/fo4
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Mysterious Serum Adds Fatigue and Suppresses Immunity: because of COURSE they have to take the best radiation item in the game and make it completely useless. : r/fo4