Cai Shu stayed a bit behind Lu Yin and the other youths. He raised his hand, and after a moment’s hesitation, he decided to call Qing Chen.

"Master, your disciple has discovered stellular liquid." Cai Shu immediately brought up what had happened.

Qing Chen showed no surprise. "The Cloud Shuttle."

Cai Shu frowned. "Is it the four ruling powers?"

Qing Chen sighed. "Times have changed. In the past, everyone was suppressed by the Lu family, and thus no one dared to cause any harm to the Mother Tree. But now…"

As the old man spoke, his expression grew more complicated.

Cai Shu gritted his teeth. "The Mother Tree forms the very foundation of our existence. Humanity is able to thrive and even resist the monsters only by relying on the Mother Tree! Yet despite that, they actually work to harm the Mother Tree like those parasites in the Lower Realm in order to absorb stellular liquid. They are destroying humanity’s foundation! Why? Will no one stop them?"

Qing Chen solemnly explained, "The Mother Tree has the power to block those monsters, and some people believe that they can take that power for themselves and become capable of destroying the monsters."

"How could that be possible?" Cai Shu was furious.

Qing Chen shook his head. "No one knows whether or not it's possible, but it is still a possibility. Humans have always been on...