Starting from Slaying Demons, He Conquered the World

There is power in this world that burns mountains and boils seas, and cuts off waves with just one thought; There are saints in this world who enslave all sentient beings and extort the power of their thoughts; In this world there is a great demon that seizes the sun, swallows the moon, grinds its teeth and sucks blood; ... Li Xuanye inexplicably traveled to a remote rural area and became a useless little county magistrate. He relied on the demon element system to crush the invincible and dominate the world.