The Longevity Chronicles

The black sea surged up into the sky, carrying countless bones with it. Lu Yunfeng sat in their midst. He was a demonic cultivator, and all he wanted was to destroy the righteous path of the human world. He had no idea how to do it and no experience to draw on. All he knew was that he had arrived on a deserted island in this sea. There was nothing on the island, except for an altar.