In which episode does the perfect world rain building appear?

Perfect World, Rain Bridge, appeared in the ninth episode.

Yu and others were looking for Taiyi real water, and they soon found Taiyi real water. Taiyi Zhenshui was easily scared away, so they successfully captured Taiyi Zhenshui by foot-bending method. Just as they were collecting Taiyi real water, Shi Hao immediately rushed into Taiyi real water, and Taiyi real sailor was holding a fixed light bead, and he could not escape. In order not to waste these Taiyi real water, Shi Hao directly absorbed Taiyi real water with his mouth. Yu Zi is committed to attacking Shi Hao, hoping to break the pearl of light.