The Most Powerful System of Doomsday

A rain of blood descends, a virus crisis sweeps the world, triggers global biological mutation, alien races descend on the earth, and human survival faces threats. Mo Yun, who had lived in the apocalypse for five years, died during a hunting. When he woke up, he found that he was reborn on the first day of the apocalypse five years ago, and activated the strongest system to kill the zombie king and kill aliens. From then on, Mo Yun embarked on the road to the top, and the fate of mankind will be rewritten. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.