Su Yu was completely speechless. Yeah. That made so much sense. If Zhao Li's willpower was impure, how would he be able to last 10 hours during a forging session? Clearly, Zhao Li's willpower was very pure.3

As far as Su Yu was concerned, this Soul Expanding Art was definitely more valuable than even a heaven-grade cultivation method. It was terrifyingly useful.1

Zhao Li was actually capable of creating a cultivation method like this. That was incredible. But the old man was being...too casual about it. Just like that, the old man had taught him this cultivation method? Su Yu found himself in disbelief.1

Zhao Li did not seem to care that much. He sighed, "Kid, cultivation methods are meant to be learned. I have been wanting to find a successor, but there are too many untalented fools around. For these people, learning this cultivation method might not be a good thing. Just take the ability to purify willpower. Not everyone might want their willpower to be too pure. Imagine a Mountainsea cultivator hammering himself back into the Cloudbreach Realm. Do you think he would enjoy that?0

"For them, it doesn't matter if their willpower is impure. At the very least, they are still Mountainsea cultivators. It doesn't matter how pure your willpower is. You are still below them.0

"Just take your...0