In the Chaotic World of Demons and Martial Arts, I Will Slay Demons and Become Immortals All the Way

The Great Dao is fifty, Tianyan is forty-nine, and one of them is human escape. The world is in chaos with demons and demons, and the people are in dire straits. The lifespan of a mortal body is no more than a hundred years. When all races return, how will the human race fight for its chance of survival? In a time of chaos with monsters and monsters, I, Jiang Daocheng, have only one sword in my hand to kill people, monsters, and everything that is difficult to reconcile in my heart. (The introduction is short and weak, please move to the main text) (No system, not brainless, group portrait flow, genius flow, please be careful if you mind)