Southern Archives: I Dug up the System from the Undersea Tomb

I traveled through time and became Zhang Haiyan. At the beginning, I was in a desperate situation in the underwater tomb. Zhang Haixia sacrificed his life for me to escape. In times of despair, the infrastructure maniac system awakens! The Nanyang warlord wants me to dig for treasure? I'll build you a military base first! The Zhang Family Archives wants me to investigate the case? I turned the entire South China Sea into an intelligence network! When Zhang Haixia returned from a serious injury and saw the giant steel ship and deep-sea base I built, he was shocked: "Yan Zai, are you going to turn the South China Sea into our backyard?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.