In the book "Soul Emperor", Xiao Du divides the levels of cultivation into three realms:
The first realm is the innate realm, which is divided according to the colors of the rainbow. There are seven levels of red, orange, yellow, green, blue, blue, and purple. Each level is divided into three stages: first, middle, and last.
The second realm is the realm of the venerable, which is divided into three colors: black, white, and gold. The order is black level (human venerable), white level (earth venerable), and gold level (heavenly venerable). Each level is also divided into
Before, during and after three phases
The third realm is the realm of Shinto, which is divided into three levels: Human God, Earth God, and Heavenly God. Human God (domain), Earth God (territory), and Heavenly God (true realm).