C137 Nine meridians

Since the beginning of the heaven and earth, all things in the world had their own energies. Of course, there were also some gases that were common to all.

Animals had their own aura, ghosts had their own Yin Qi, and corpses had their own Corpse Qi.

Although they all had different auras, these three things all had the same type of aura, and that was yin aura.

If I had used some special method