Cultivation of Immortality in the Dark, Who Says That the Demon Lord Is Not an Immortal?

[No heroine + No system + Decisive killing + Slightly dark + Not the Virgin + Calculation + Backstabbing + People-eating + Behind-the-scenes layout] Fang Yu's parents were killed when he was young. The world is cruel and human nature is distorted. The righteous cultivating sect monopolizes all the resources for cultivating immortals. The people of the world are desperate and turn to the devil! The new soul in the heart traveled through time and was bound to break into a new world in this world, and unexpectedly obtained the supreme forbidden thing: Blood Prison! There are ninety-nine taboo chains sealing this ancient object! Every time a chain is broken, a part of the power, inheritance, secrets... There is a sealed ancient fairy in it: Nightmare The terrifying beast of the abyss: Xiao There is a more sealed world! There is the supreme law of the universe! [Blood Prison] will give me instructions. Look at the endless sun, moon and stars. I am in prison. Helping others is not my original intention, nor is it a kind intention. Killing is not my purpose, but my inner Taoist heart. Use the blood prison. Traveling to a technologically advanced Blue Star? Destroy! Traveling to a weird world? Destroy! Traveling to a post-apocalyptic magical world? Destroy! ......... After all these long years, I must have a seat on the supreme throne!