C814 Yuan Dan

"Naive."

Su Nan shook his head.

Chen Xiao Cao didn't know, but he knew the blood seal very well.

The imprint carried a very evil power. If one didn't obey the owner of the imprint and instead used various methods to break the imprint, the user would continue to bleed. In the end, all the blood in his body would flow and he would wither to death.

In other words