Eclipsed by Shadows, Guided by Light Chapter 420

The Piaomiao Immortal Palace went towards the extreme north of the Wumingzhuyou Realm and finally stopped above an ice field.

There is a large tiankeng in the core area of   the ice sheet. Looking from a distance, it looks like a huge and hideous black scar. There is black fog in the tiankeng and ancient radial traces around it.

According to Youyue, this is the place where the ancient demon fell, and the corpse of that demon is the source of the demonic disaster in this world.

The so-called ancient great demon refers to the original demon clan, which has a fundamental connection with the extraterritorial demons, but is not the same species, and has long been extinct.

To put it simply, these two types of demons have the same ancestor. Among them, the original demons are more inclined to the path of "proving the truth with force", while the extraterritorial demons are better at playing with people's hearts.