The two Great Demon Kings stared at Pei Xuanjing, ready to attack at any moment.
At this moment, Pei Xuanjing did not have any attention to spare for the outside world. As soon as he entered the Blood River and swallowed the Blood Pill, he immediately ran the Mysterious Skill and entered a profound state.
After the Blood Pill entered his mouth, it immediately turned into a thick force, circulating continuously in his meridians, organs, and flesh. This force raged within his body, causing considerable damage to the meridians and organs that Pei Xuanjing had refined. His robust body even oozed fresh blood, and in a blink of an eye, Pei Xuanjing was practically turned into a blood man.
The force passed through, riddling with holes, as if a steel knife cut through his body. Even with Pei Xuanjing's tenacious will, he felt great pain.
But fortunately, Pei Xuanjing, who had refined his Yin Spirit, was able to endure this pain without falling unconscious, keeping himself awake.