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zm_abyss

Map by Royal Warrior

During a mission carried out in Zone B-2 of the Biochemical Research Institute, a C4 explosive detonation caused part of the team to fall into Zone B-1. This area was formerly used for biochemical experiments, but after experimental failures, all biological species involved in the research had been sealed away. However... due to the vibrations from the explosion in the facility, the dormant creatures suddenly awakened...