Survival in Different Time and Space: Fortress Extreme Upgrade

By chance, the soul of a technology expert travels to another time and space, and a rich and handsome man transforms into a pure loser. A super harsh living environment and a devastating disaster are about to happen. The original space-time intelligent AI assisted survival, housing upgrades, equipment research and development, armed machines, battleships and spaceships, and ultra-extreme survival are all in full swing. Legions from all walks of life are coming in turns, and smart weapons can easily deal with them... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.