The Zero Library was a place that collected the most dangerous, as well as the most valued books. One needed explicit permission from the royal palace to enter. In fact, it was impossible for a Superior-grade magician to even apply to access it. In order to enter the Zero Library, one needed to be at least Prime rank. However, Prime magicians couldn’t afford to take out a book from the Zero Library, let alone own it privately.

Not even the four magicians standing at the peak of the magic towers could abuse it. That tradition had continued.. Until today.

“Is this the first time since I’ve taken out Hellfire?”

It had been a long time since Theo had visited the Zero Library, and took a look at the books kept in glass boxes. It was better than a mountain of gold to a magician. There were books that contained ancient spells and a theorem on primordial magic that didn’t even exist. Then there was also a book written in an unknown language. A book was like the remains of wisdom.

- In my opinion, it is like a buffet. Isolate valuable knowledge from a person’s hand and grant it to those who are qualified. Books exist for a rational purpose.

“This is a little unexpected. Isn't it more advantageous for knowledge to be universal for the overall development of magic?”

Gluttony’s voice was more...