It took a thousand years to prepare for a simple experiment, but a grimoire had the patience to wait a thousand years. What was Gluttony referring to when he said the past? The origin of black magic might be more profound than what modern magicians imagined.

Theo walked through the gloomy darkness as he listened to the voice inside him.

- Let’s start with the essence of orthodox magic. It is a magic that changes the laws of the material world, manipulating natural phenomena according to the caster’s wishes. It can create fire at the desired spot or change the direction of the wind. It might seem strange, but it is a phenomenon based on the physical laws that exist in this world.

Its voice grew lower.

- On the other hand, black magic is contrary to orthodox magic. It opposes the causal law of the material world, reviving the dead, forcibly capturing souls, and repressing the will of others. It spreads diseases that don’t exist and draws out the evil laws. They are people with depraved hearts that can’t help being enemies of the whole world.

“... Gluttony, I don’t quite understand one part,” Theo had...