C521 A Protracted Battle

The three of them searched the whole base, but they didn't find a single living person. The area where the D-class products were made was now empty. However, there were not that many corpses here, nor were there any in the control room on the first floor. Therefore, Lu Shan guessed... These people should have left earlier than expected.

Previously, Lu Shan and the others were trapped in the cell