Even though Ji Liuyun was the Crown Prince, in the Emperor's eyes Seventh Prince Ji Hongxue was more important.
Not only was Seventh Prince more talented than all other Princes, he was even the personal Disciple of a Deputy Lord of the Demonic Alliance.
The Demonic Alliance wasn't a simple organization. They were spread across the four Continents, and their main headquarters was in the Yuan Central Continent.
Each Deputy Lord was a Ruler Realm Cultivator. Although it followed the Unorthodox Path, it was still one of the strongest powers in the Central Continent.
So given the fact that the relationship between his mother Zuqin and Royal Father was getting worse and worse, Ji Liuyun knew that if Seventh Prince Ji Hongxue wanted, his position as the Crown Prince could be in danger.
Even the Emperor might not support him in the future.