To understand chaos you have to be prepared to face the uncertainty of everything.
What is chaos? If answered in simple terms then it was primordial wholeness. An element which consisted of everything and also nothing.
The deeper you tried to understand what that meant, the more distant you felt from the answer.
This uncertainty of knowing something yet not knowing it was going to be a major hurdle for anyone if they wanted to comprehend chaos.
All the Supreme Daos had some insurmountable hurdles which humans couldn't cross unless they had some treasure or resources related to them.
This was the reason why even after reaching the peak of the cultivation realm Lin Feng was helpless in comprehending a Supreme Dao even with his heavenly talent.
Now, he had everything he needed to comprehend a Supreme Dao and he had to say, it really felt even less demanding than the first time he had started to walk on the path of Concealment.
