Lu Yin first selected a scroll that was made from some kind of animal skin. It was clearly very old.

There was a picture on the scroll providing an exact location, but there was absolutely nothing else.

Lu Yin showed the picture to Yu Chen, who said, "That should be where the sect extracts stellular liquid from the Mother Tree."

"Extracts stellular liquid? The Celestial Frost Sect is actually doing such things now?" Progenitor Smoke was absolutely furious.

Yu Chen nodded. "They should be doing so in the location in the picture."

Progenitor Smoke started ranting, "These beasts are actually attacking the Mother Tree themselves? The Mother Tree is what protects humanity! If anything happens to it, mankind will be doomed. It won’t matter how many Progenitors there are, as all of them will be useless to stop it. Senior Lu Tianyi absolutely hated it when anyone tried to extract stellular liquid in the past, and it was utterly forbidden within the Fifth Mainland. There were even fights against the Sixth Mainland a few times because of this issue. I didn’t think that, just because the Lu family was gone, these animals would actually start extracting stellular liquid themselves!”

Lu Yin quietly commented, "All of the four ruling powers are doing the same. I looked into it once."

Progenitor Smoke gritted her teeth. "I'll settle things with them!"

Lu Yin replaced the scroll. He took a few steps forward and grabbed another...