Mutant cave fungus

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Icon disambig
For the cave fungus that appears in the Fallout series, see Cave fungus.
Gametitle-FNV OWB
Gametitle-FNV OWB

Mutant cave fungus is a consumable item in the Fallout: New Vegas add-on Old World Blues.


While cave fungus is normally grown in caverns as a reliable healing reagent, some caverns over the years have been unfortunate enough to become irradiated. This resulted in the mutated cave fungus, considered a delicacy in the wasteland, it is often used to make black blood sausages and other consumables.

Whereas a normal cave fungus would reduce radiation, mutant cave fungus adds radiation when consumed and has an appropriate green glow. This item is needed to create nightstalker squeezin's, thick red paste, black blood sausage and battle brew. They respawn in the named locations every 72 game hours (3 game days).

Survival Skill effectEdit

SkillEffectHardcore effect
10+2 Hit Point for 5s-24 Starvation 
20+2 Hit Point for 5s-28 Starvation 
30+3 Hit Point for 5s-32 Starvation 
40+3 Hit Point for 5s-36 Starvation 
50+4 Hit Point for 5s-40 Starvation 
60+4 Hit Point for 5s-44 Starvation 
70+4 Hit Point for 5s-48 Starvation 
80+5 Hit Point for 5s-52 Starvation 
90+5 Hit Point for 5s-56 Starvation 
100+6 Hit Point for 5s-60 Starvation 
Note: Radiation is not affected by Survival skill level.


This is a list of fixed non-random places where you can find mutant cave fungus.

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