There are five elements and eight arts in the world
Five elements: metal, wood, water, fire, earth
These five elements merged with each other to form the two schools of Mu and Jie, or they went into seclusion for further study, and formed the eight schools of Lin, Yan, Gui, Xin, Sen, Miao, Yan and Yao.
There is also a Ming faction in the royal family
Eight skills: wind, thunder, deed, original, boundary, , , deuterium.
Concept: Five elements, eight arts and twenty-eight constellations