The dwarven scholar Aul's expression immediately turned serious. He looked left and right, then said to Locke in a low voice, "Potion Master Locke, don't say Advancement Potion so loudly. This knowledge is forbidden knowledge that many First-Class Wizard Apprentices—no, even many General Studies scholars like us—shouldn't know."
"That is knowledge that absolutely cannot become widespread."
"Otherwise, it will definitely cause a huge impact. But we're on good terms, so I can secretly tell you: exchanging for one bottle of Advancement Potion requires five thousand Contribution Points."
Locke frowned. It actually required that many Contribution Points.
The dwarven scholar Aul explained in a low voice, "When your Mental Power reaches 800, the Academy will come to you to sign a contract and provide you with one for free."
"Believe me, this is the one matter in which the Academy definitely won't cheat us. Finding ways to prevent the spread of such knowledge and restricting the methods and difficulty of exchange are absolutely the Academy's greatest protection for people like us."
The dwarven scholar Aul seemed to know some crucial information about Advancement Potions. His pupils dilated slightly, as though he had thought of something terrifying. "If that kind of thing gets spread everywhere, it would be disastrous."
Locke gave the dwarven scholar Aul a strange look. "Strange. What exactly is an Advancement Potion that it is guarded so tightly? The side effects of Abyss-type potions are already severe, yet I haven't seen the White Wizard Association block knowledge of them."
Locke nodded to Aul. "I understand. I'll be leaving first."
After bidding Aul farewell, Locke headed to Witch's Kitchen. The First-Ring witch from Crow Roost Company had previously notified him by carrier pigeon that she would be waiting for him there and treating him to a meal.
The moment Locke