Plane Ring: The trial opportunity given by the Dao. The assessment tool of the Plane Envoy. It has the power to travel through time and space. The trialists who travel through various planes can learn and obtain supreme power, and finally become one of the Plane Envoys. Zuo Qifeng , the ancient warrior of the Houtian period, the top hunter on the earth. During a demon hunting operation, he unexpectedly killed the envoy from the alien plane! Zuo Qifeng, who re-bound the No. 7 plane ring, shuttled between various planes, Reselling items from different planes through the plane ring terminal, from the initial novice to the supreme existence. And the story begins from the day when I checked the water meter...