In the endless darkness, the Yin Energy grew increasingly dense, almost solidifying.
Li Fei, Ning Qingman, and Tai Yu had already descended more than forty thousand meters beneath the Abyssal Chasm!
Behind them, Gu Li was frantically absorbing the Yin Energy to replenish what he had expended in the previous battle.
Li Fei had two goals for this trip to the Abyssal Chasm.
First, he wanted to find a way to subdue Xu Chi Han and obtain its secret technique.
Second, he wanted to explore the deepest reaches of the Abyssal Chasm and see whether he could find any clues about the Desolate God.
The first goal had already been accomplished. Tai Yu and Ning Qingman had both expressed their desire to accompany Li Fei to see the bottom of the Abyssal Chasm.
During their descent, Xu Chi Han had already told Li Fei the Swallowing Dao secret technique mastered by a Ninth-Grade Exotic Beast, along with its own experience and insights.
After questioning Gu Li and confirming that Xu Chi Han had not tampered with the secret technique, Li Fei told Tai Yu everything.
"This secret technique...other than you before you broke through, I'm afraid no human could cultivate it."
After learning the secret technique, Tai Yu said this to Li Fei.
Just as Li Fei had initially guessed, one of the necessary conditions for cultivating the Swallowing Dao secret technique mastered by a Ninth-Grade Exotic Beast was an immense vitality.
This required vitality even more powerful than that of a Martial Sage!
A Martial Sage already possessed Dao Principles. Of those who had not become Martial Sages, no one besides Li Fei could possibly possess such powerful vitality.
Therefore, this secret technique was simply not meant for humans to cultivate.
In truth, that was only natural. How could