In Lumen Academy's Grand Library, Shi Tiexin strolled quietly between the enormous bookshelves, flipping through Lumen Academy's list of Supernatural Knowledge.
Today, he had failed to see through the principle behind Guan Zhong's instantaneous disappearance. The theory of spirit words was merely his conjecture based on his own understanding. He was 99% certain that conjecture was correct, but a conjecture was still a conjecture, not direct insight.
And being unable to see through it was already more than enough to show the gulf in strength between them.
The next time he saw Guan Zhong, he could not even be sure whether the other man was real or merely an illusion. How was he supposed to "show some courtesy" then?
Fortunately, Shi Tiexin already had a clear plan.
"The Earth Drum Tremor schedule has been arranged. It's set for three days from now."
"My thought-channel spirituality must rise. If I'd had a thought channel with full spirituality, today would have been an entirely different situation."
"And most importantly, Supernatural Knowledge."
Supernatural Knowledge.
A term that had been mentioned many times.
So what exactly was Supernatural Knowledge?
Simply put, knowledge was power. Knowledge that could grant supernatural abilities was Supernatural Knowledge.
The Main Worldline's knowledge was as vast as a sea of smoke, but there were clear layers from top to bottom. The first distinct dividing line appeared here, at Supernatural Knowledge.
Below this line, the Supreme Sovereign Hall promoted universal education and universal cultivation. Channels for acquiring knowledge were comparatively broad, and the cost of obtaining it was far lower.
Above this line, however, everything was limited edition, VIP edition, with prices rolling higher and higher like a snowball.
Broadly speaking, high-level essence-energy cultivation arts, high-level All-Extreme Strength body-tempering arts, and the like all counted as Supernatural Knowledge. That was why