Ever since the founding of the Immortal Dao, it had been dominated by the Human Race. Not only the Immortal Dao, but the people of other orthodoxies would transform into human forms when they reached a certain realm. Therefore, humans had become the protagonists of most orthodoxies.
However, there were also many races that believed that the human form was not the optimum form. Humans only had an advantage in terms of appearance and were not qualified to be the protagonist of heaven and earth because they were too weak in the early stages.
Now that the Demon Race of the Zenith Heaven Immortal Realm had become powerful, be it in terms of realm or the number of people, they were showing signs of surpassing the Human Race. This caused the ambition of the Demon Race to gradually inflate.