After leaving the desert, Liu Yang sent a message to his women saying that he had something important to do and would send a shadow clone to talk to his in-laws.
Hearing the message from Liu Yang, his women and in-laws were relieved, realizing that he was well, but what made everyone curious was what Liu Yang had.
A few days after the message was sent, Liu Yang's shadow clone arrived in the Xiao clan, he asked the two couples to search for information about a city called the City of the Heavenly Lakes.
The four accepted this request and sent the order to their clans to seek information about the city. Liu Yang also asked Hellen's teacher to seek information.
...
While the groups were searching for information about the City of the Heavenly Lake, Liu Yang was traveling through the Ninth World, he was already in the Southern Continent, but he did not know where the soul was born. So he could only wait for the information.