A strong spiritual wave suddenly exploded in his mind.
But it was neither a sound nor a language, not even any form of information perceivable by human senses.
It was a pure, cold, indisputable rule concept—"equivalent exchange."
The cost is absolute, the exchange merciless.
In the temple of knowledge, there is no charity, only justice.
The consciousness of the book began to become clearer and more concrete.
Like a librarian who has just been awakened, deeply tired and impatient, it slowly sighed:
"Another insignificant being seeking knowledge..."
"Knowledge is the most expensive commodity in the universe, young Wizard.
Every truth is written in blood, every piece of wisdom comes at the price of pain."
"Now, tell me—what do you intend to use to pay your tuition?"
With this inquiry, the pages of the "Extraordinary Comprehensive Guide" began to flip automatically, revealing a detailed "exchange catalog":
[First Floor: Information Equivalence Exchange]
