Ling Yun gathered everyone at the Yunlong Zhuzhai—be they his wives, friends, or acquaintances from Earth and the upper realm. He informed them about the Trial Tower in the Spirit Martial Domain. Although all the challenges in the tower were useless, he felt they were still useful to those people.
All of Ling Yun's wives and servants decided to go to the Trial Tower after Nu Huang's marriage, as they had been too busy with their seclusion since arriving in the Supreme Realm. Furthermore, they had improved significantly in their cultivation, soul power, and mental strength, so they wanted to test themselves with all the challenges in the tower. Sheng Ming, Ling Xi, Zhou Yu, Lei Lin, Xue Jing, Tai Tianmei, Chu Nanhua, and Huang Zhimei would not join them.
