Chương 137: Chapter 137: Demon Clan's Secret 

The members of the 36 divisions of the Demon clan began to assemble, while Chen Chen returned to Zhou Renlong.

Zhou Renlong looked at Chen Chen without any expression.

He was not surprised that Chen Chen was able to defeat the junior division masters of the other 35 clans. 

After a long time, Zhou Renlong said indifferently, "Now that you have become a senior member of the Demon Clan and the Demon Clan has recognized your loyalty, there are some things I should tell you, such as the origin of this chain on my body."

Hearing this, Chen Chen concentrated his attention, all ears. He wanted to see which big shot could shackle the Demon Clan Master, who was at the Essence Soul realm.

...

"More than ten years ago, there was some friction between the humans and the demons. As a human kingdom, the State of Zhou naturally had to send cultivators to provide aid.