Inside the Void Grand Library, Su Xiao returned the ancient book to its original place, then picked up another nearby and began reading it. He was not particularly interested in this one.
He did this to prevent the Arcane Eternal Star from learning his general preferences through the ancient books he read.
Before he knew it, dusk had fallen. Wind King and Hugh had already left after saying goodbye earlier. The factions behind them were not particularly eager to recruit the Holy Flame Alchemist.
Green Vee had spent the afternoon sleeping in a single-seat sofa, while Rune had gone to the first floor of the grand library to flirt with women.
Su Xiao returned a copy of Illustrated Compendium of Extraordinary Plants to its place. He had gained a great deal that afternoon, but Travel Mission 2, "Ocean of Knowledge," remained incomplete. Its contents were:
"Travel Mission: Ocean of Knowledge: Obtain, through non-theft means, at least three types of advanced knowledge stored within the Arcane Eternal Star's Void Grand Library."
Su Xiao guessed that "obtaining advanced knowledge" meant acquiring the medium containing the knowledge as well. Much of the knowledge in the ancient books could only be mastered in conjunction with the inscriptions on their pages.
For example, the ancient books on "Soul Studies" and "Mystical Energy Studies" contained knowledge that was difficult to record in writing. This was where inscriptions came in. Readers only needed to inject a small amount of mental energy into the inscriptions. Following their guidance, they could quickly master that portion of knowledge.
This recording method had been used since ancient times. The Alchemical Codex, for example, contained not words but countless inscriptions interpreted through mental energy.
Because of this, ancient books containing advanced knowledge were exceptionally precious. That was why the Dragon Academy had