Doomsday Catastrophe: I Really Just Want to Survive

[Disaster + Evolution + System + Black Technology + Blood + City + Protection] The end is coming, a global natural disaster. Earthquakes, floods, tsunamis, and volcanic eruptions followed one after another, and species on the earth evolved abnormally. Mutants, evolved beasts, alienated plants, etc. Compete with humans for an already harsh and abnormal living space. Countries around the world will compete openly and covertly for limited resources in the future. Sophomore Liu Xingyu got the golden finger: the ever-changing star ring. A transformable alien black technology survival base. Originally he just wanted to live comfortably with his parents and family, but coincidences time and time again pushed him to the forefront.