Lin Feng gave an awkward smile. "Senior, where did that come from..."
He was somewhat unconvinced. Although the Universe Divine Art was rather strange to cultivate and could trap one at a bottleneck, he truly did not think it was difficult.
This was his personal experience.
The Old Man in Green seemed to have seen through Lin Feng's thoughts and sneered, "If you think the Universe Divine Art is not worth mentioning just because you have merely brushed against its surface, that only proves you are hopelessly stupid and arrogantly ignorant."
Lin Feng: "..."
The Old Man in Green cast Lin Feng an indifferent glance, his expression turning solemn. "Junior, listen carefully. The prerequisite for cultivating the Universe Divine Art is possessing a powerful body, as well as nine Innate Spiritual Roots: metal, wood, water, fire, earth, wind, lightning, light, and darkness."
"You were only fortunate enough to possess the strongest physique, the Chaos Supreme Dao Body, along with all nine Innate Spiritual Roots. Otherwise, the sharp aura within this Sharp Gold Domain would have long since sliced you into a bloody mist."
The corners of Lin Feng's mouth twitched furiously. "..."
The Old Man in Green continued, "Beyond these most basic requirements, the path of cultivation is even harder than ascending to heaven."
"Xuan is heaven, Huang is earth. Heaven is yang, earth is yin. Men are yang, women are yin. All spiritual energy is the same."
"In other words, the nine spiritual roots you possess are yang in nature."
Lin Feng picked up the thread. "So I need to seek out Yin Innate Spiritual Roots?"
"You can be taught."
A trace of gratification appeared in the Old Man in Green's eyes as he looked at Lin Feng. "But that is not all. During cultivation, aside from gathering Yin