Emperor-Grade Immortal Sword!

Mu Qing closed the book in his hands, drew a deep breath, and felt somewhat distressed.

This book was like only the first volume, offering merely a preliminary introduction to the Demon Race and the Heavenly Court.

Mu Qing still wanted to know more—for instance, what happened to the Demon Race afterward, and why the Heavenly Court had split apart.

Unfortunately, over the following stretch of time, Mu Qing leafed through every book he could find, yet failed to locate any continuation. Most of them were books related to pill refinement.

He was somewhat disappointed, as there was no mention of the Ancient Immortal Realm or the Mystic Immortal Gate.

"So those monsters are called demon beasts!"

Mu Qing had gained something, at least. He now knew the identities of those monsters: they came from the Demon Race. They were all demons who cultivated a special power known as demon power!

This was Mu Qing's second encounter with a cultivation system besides immortals and gods.

Counting them up, aside from immortals and gods, he had already witnessed three different cultivation systems: demons, evil, and yao!

These three powers shared certain similarities. Demonic qi belonged to Mu Qing alone, while evil power was the most similar to demonic qi. However, demonic qi could be called the successful fusion of immortal and divine power, whereas evil power was the failed fusion of immortal and divine power—extremely unstable. Yet it was precisely that instability that unleashed terrifying strength.

"When did these demons appear on Earth? Or have the Demon Race always been on Earth?" Mu Qing continuously speculated inwardly.

He became even more cautious after learning of the Demon Race's power from the books.

"I wonder whether the other side halls have places where books are stored?" Mu Qing headed toward the next