Travel Through the Future and Build a Base in the End of the World

In the future, the apocalypse will come, and human casualties will be exhausted. Wu Nan came through time and space to bring hope to the end of the world. While others are struggling to survive in the ruins, he relies on AI system planning to build a doomsday fortress. City wall grid, defensive turrets, mechanical legions, ecological cycle... "Damage to the city wall is detected and the autonomous repair team is activated." "Resource points have been discovered and the optimal mining route is being planned." "When a threat is detected, the defense system automatically activates." While others are still being hunted by monsters, Wu Nan's steel base has become a myth of the end of the world.