This book has been manually flagged by NARA as being obtained through exploits. Its contents and existence should not be taken seriously.
"E. 32 file #3" by DogNut2213
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Based on what the previous militia/military group left, and what I have discovered myself, The fungus can travel under fences, downhill, and anywhere in 1 meter of its location. However, it has immence difficulty traveling uphill
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and through solid blocks such as stone or cobblestone, Meaning it travels mostly underground.