What If Mortals Cultivate Immortality and Practice Evil Methods?

Mortal FlowSlow Heat Type Cheng Xu's original dream was to inherit his father's business and become an ordinary businessman with his family, but because of a good relationship his father made in his early years, he was exposed to a different world. Cultivating immortals really existed. By chance, he entered the world of immortality. He crawled from the bottom, dreaming of man conquering nature, but was knocked down by reality again and again. Finally, he accidentally obtained a treasure left by an ancient cultivator while going into a mine, and his life path changed. Older? Poor qualifications? Sorry, I am a demon cultivator, but I really can't make progress any more? It's okay, let's just take one of them. Blood robes and black flags once became a lingering nightmare in the world of immortality...