The Sandmaster turned to look off into the distance. "Above nine lined battle force is another realm, but I don’t know much about that level. How can I describe it…? That sort of power is restricted."

Lu Yin was puzzled. "Restricted?"

The Sandmaster sighed. "Yes. Although it’s truly difficult to cultivate battle force to nine lines, and there aren’t many people in the universe who have managed to do so, you’re not even the only youth who’s managed to succeed. Unfortunately, the path beyond that level is broken."

"What do you mean ‘broken?’ Battle force is internal cultivation, so how could the path possibly be broken?” Lu Yin kept pressing.

The Sandmaster shook his head. "I don't know. Can you tell me why my Fifth Mainland hasn't raised a Progenitor since the ancient war?"

"Our sky was covered. The Sixth Mainland covered the sky of the Fifth Mainland," Lu Yin answered out of reflex.

The Sandmaster sneered. "What is the ‘sky?’ Where is that so-called ‘sky?’ How was it covered? What does it mean to cover it up? Do you know?"

Lu Yin shook his head. He had actually not thought about this matter at all, but after hearing the Sandmaster’s questions, Lu Yin had some of his own. What was the sky? According to ancient beliefs, the sky was above the earth, and the infinite space that they looked up and...