Voosh!

Lu Changsheng felt as though he stood within a surging river. The current was fierce enough to soak his clothes through. Beneath his feet, in midstream, was a giant boulder, and however violently the waters crashed into it, the boulder did not budge. 

I see…

He knew Sun Ming had arranged this on purpose. This was one of the advantages of a Domain. Even though it had materialized, everything within it could still be altered at will. With that, he immediately sat down cross-legged.

"I need waves a hundred zhang high!" Lu Changsheng shouted.

"Good. Then the waves shall come!"

As Sun Ming's words fell, the entire ancient river roared to life. Great waves rose one after another, surging without end. Their force surpassed even the sea waves Lu Changsheng had seen before.

Lu Changsheng did not hesitate. He immediately took a Dao Comprehension Pill and entered a state of epiphany. 

Two hours, then four, then six…

Once he sank into that state, inspiration poured forth. Even immersed within the materialized Ancient River...