C139 Although millions of people have died
So there was a rule in the Earth Immortal Realm.
If one wanted to open branches and scatter leaves in the Central Plains, one had to entrust it to the buddhist path, if not the buddhist path.
There was also a way to break this shackle. That was to send out a disciple to challenge the great sects. If they won, the sects would gain the qualifications to spread the word. However