I Am Not a Kind Creator, I Am Just a Sinner Who Left You Alone in the Distance.

Emperor Xin, The Classic of Mountains and Seas, and the Secrets of the World

Looking for a novel where the protagonist transmigrates as Di Xin and explores the secrets of the world and Kunlun. They attain immortality through technology that allows humans and beasts to coexist. The figures representing this technology include Nuwa, Fuxi, the Queen Mother of the West, and Hou Yi, whose sun-shooting feat was actually shooting down an alien spacecraft. There are all kinds of divine beast bloodlines, the fortune of the Human Emperor, and various artifacts...