Lead the Earth to Fight Against All the Heavens and Worlds

When I woke up, there were suddenly many fragments of the end of the earth in my mind, as well as a lot of high-tech information. I was lucky enough to get the time when the end of the world was coming, so that mankind could prepare in advance. The Great Steel Wall forged by hundreds of millions of Chinese warriors protected China from alien beasts. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.