In the Era of Chaotic Galaxies, I Build a Doomsday Fortress

An extraterrestrial galaxy collided with the protagonist Qin Hao's galaxy. From then on, mankind entered the era of chaotic galaxies, and everything in the world fell into chaos. We are hungry and cold, and the heat is scorching. I don't know when a big earthquake, tsunami, or volcanic eruption will hit. The whole world will be covered with ice today and a sea of ​​fire tomorrow. Humanity is struggling to survive in the era of chaotic galaxies. Let's see how the protagonist Qin Hao leads mankind to escape from the hellish disaster!