C685 The Source of the Imperial Emperor(1)

These blood mud were the foundation to maintain the passageway. Every time the Nether Corrosion appeared, it would be accompanied by a large amount of blood mud. Under the cover of the blood mud, only the living beings of Nethe Realm could enter the Heaven Domain through the Nether Corrosion.

Once the blood mud was exhausted, the Nether Corrosion would automatically close