C2687 People Who Don't Belong to the World

"Why?" Shen Feng asked in confusion.

"Because I have mastered the power of rules. Unless you are an overlord or above, you won't be able to kill me." The Blood Prison Devil Emperor replied.

"Why must you be an overlord or above expert?" Shen Feng asked in puzzlement.

"After reaching the Sovereign realm, you can go to the Yellow Springs Reincarnation Sea and bring some souls back