Black Technology Saves the World? I Will Hand It over to the Country First

After obtaining the black technology system, Cheng Shen thought he was about to become an urban overlord. However, the first task when the system was activated was to ask him to "assist the official." When countless technological monsters hidden in the shadows of the city appeared one after another, Cheng Shen chose to hand over the black technology silently. Until one day, when the special department was helpless in the face of a huge mechanical life form that could destroy the city, an encrypted channel suddenly connected: "Don't panic, I will teach you how to dismantle it."