Introduction: There are four kingdoms and four realms in another world, and the four kingdoms are Qingyun Chihong Xuanming Baiban. Qing Yun is good at martial arts, Zhu Hong specializes in Xuan, Xuan Ming worships medicine, and Bai Ban is good at wood. The four countries formed a four-legged force, with each country competing for hegemony. The four realms are Lin, Feng, Ze and Yu. It is said that there are mythical beasts guarding each of the four realms. Those who are difficult to enter are easy to return, and those who are easy to enter are difficult to return. If you sign a contract with a mythical beast, you will gain the spirit of heaven and earth, and you will gain the world by joining the world.