In the southern regions of the immortal realms, the three ancient clans were still the hegemon of this boundlessly vast stretch of land. This point wasn't something that could be changed so easily within a short time.
The tyrannical Ying Clan, the Southern Phoenix Clan governed by the Southern Phoenix Matriarch, as well as the mysterious and powerful Jiang Clan. These three great clans were all extremely powerful, their influence affecting the entire southern regions. Although there are still some other emperor-ranked powers existing in the southern regions, they had no way to shake the position of the three great clans.
In the past, when Qin Wentian came to the Southern Phoenix Immortal City, he was still a weakling. The him then was invited by Nanfeng Yunxi and came here to aid her to obtain the position as the holy successor. In the end, he did succeed as well.