The end of the world is a disaster, but it is an opportunity! Especially for the grassroots class like Chen Bin who loves weapon design and manufacturing! The era of being killed, hunting and being hunted! The raging virus has made the genetic organisms of all creatures extremely active, and all creatures are at the same starting point! If you want not to be enslaved, then work hard to evolve! Beautiful beauties, the most delicious food, the largest territory, yes, how many times have you evolved? Only by killing and killing to establish a new order and become the maker of the order, can you be eligible to get what you want , Protect what you cherish. Human beings have changed from the top predators of the food chain to the bottom prey. Can human beings use their wisdom to rise again in this bloody and cruel hell? Welcome to the new century of evolution!