Close-Quarters Berserker.

Summary

Deep within isolated mountains lies a vast underground biological research facility, heavily guarded and larger than previous bases. Inside, animals and humans are subjected to grotesque experiments by emotionless staff. A man in a suit oversees the operations, prioritizing research completion over personnel safety. Meanwhile, Lan Feng and Bao Xiong, resting by a campfire, discuss the implications of a biological research base that could lead to human evolution and potential global conflict. As they search for the base, they discover a cabin with gruesome evidence of past horrors. Upon encountering wild wolves, they engage in a fierce battle, revealing the dark reality of the facility's experiments.

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