Those who have achieved success in practice during the prehistoric period all left the Zhongzhou with the Great, Middle and Small Thousand Vehicle Realms and went to the depths of the unknown world. The junction points separated and gathered into a core, and the dragon girl Ao Yan used this core to transform into [Tapijiale] (Dragon Language: House of Harmony)
There was a female disciple of the Bihai Sect, named Shuhua, who controlled the Hinayana world, hoping that she could protect herself in case of emergency. Unexpectedly, this caused a dispute, and thus this story came to be.