Time?
The avalanche of insights made Ryu feel as though he was riding on a cloud. He was sure that if he hadn't fused his Inheritances with his Dao, allowing the former to progress smoothly along with the latter without much effort, he would have formed yet another right this moment, and this Natural Endowment might be even more powerful than his Shrine Mountain Natural Enlightenment.
What mattered most in cultivation wasn't that you knew something, but rather how you came to know of it. One conclusion of the exact same thing would be worth different weights to different people depending on how they had made their way to said conclusion.
Ryu had always known that beasts were more in tune with the Heavens, he had always known that they were more blessed and that their cultivation was often smooth sailing so long as they had the talent to continue forward. These were things that everyone knew.
But it wasn't until now that he understood what it truly meant.