Capítulo 840: Chapter 471: Yes, But Don't Burn the Fields - Part 2

"...You humans are truly terrifying, working just one or two days a month is cruel enough, yet you desire to make others work every day for over thirty years?" the Dragon Sorcerer couldn't help but curse.

The number of Nightmare Succubi was too small, only a few existed, and stealing information in dreams was not an easy task, If one wanted to conduct a thorough check on a large scale, it would take decades, even centuries, to investigate all the villages in the plane—that would be demanding the life of a Nightmare Succubus.

If the inspection took too long, such as three to five hundred years to complete, the population would have changed many generations by then, making it meaningless.

Besides the villages, what about the cities? How would one investigate a city with tens of thousands of inhabitants?