Grotto-Heaven Passage, Bell Demon

The Demonic Realm and the real world existed in an overlapping state.

But it was formless and immaterial. After cultivating until now, Wang Yu had still not discovered any method for a fleshly body to enter the Demonic Realm; he could only rely on bait to lure Heavenly Demons into taking the initiative to descend.

And different regions of real space corresponded to different regions of the Demonic Realm. He had not yet found a way to distinguish the boundaries, but he could use large-scale relocation to fish up new Heavenly Demon lineages.

The thirty-six Heavenly Demon Bloodline lineages meant that there were at least thirty-six vast regional divisions. It was just that the Heavenly Demon Kings also had times when the old were replaced by the new.

If the Heavenly Demon Great Dao had a fixed thirty-six True Immortal Dao Fruits, then the Thirty-Six Heavenly Demon Kings also followed a renewal pattern where the capable rose and the weak fell.

And one of the most distinctive traits of the Heavenly Demon Great Dao was—when one ebbed, the other grew!

For example, in past years, there had appeared an existence with a mechanism as outrageous as the Myriad Transformations Heavenly Demon King, yet he had fallen in the Slaughter Calamity. The position he left empty would naturally be replaced by a new Heavenly Demon King.

His Myriad Transformations Dao Fruit was weakened, while the new Heavenly Demon Dao Fruit began to strengthen, ultimately completing the replacement process. This was called "when one ebbs, the other grows."

The Heavenly Demon Bloodline lineages left behind...

Also had the title of "Ancient Heavenly Demon," with a certain probability of restoring the glory and power of those former years.

By this reasoning.

The Demonic Realm did not have only thirty-six great domains; there were