Killing God System, I Killed Demons in Da Qin

"Damn humans, how can they be so strong!" "Help, that guy is going on a killing spree again!" … Chen Changxing was originally a down-and-out social creature in modern times who traveled to another world by chance. This place not only has a prosperous human civilization, but also a race like the demon race that feeds on humans, as well as a race of gods that are superior to the human race, the demon race, and other races. Chen Changxing, who was captured as a young man at the beginning, faced a situation where 300,000 foreign troops attacked the city as soon as he arrived on the battlefield. As an ordinary social animal, his frail body made him feel physically and mentally exhausted. Just when he was about to fight to win over a foreigner, he discovered that he could become stronger by killing his enemies. As a result, a murderous god who started from a young man, proved the Tao through killing, and used violence to control violence was born. First, he defeated the 300,000 foreign troops with an invincible attitude, and then began to conquer the demon clan, establish his own power, and start a thrilling contest with the gods...