C3873 Wary of the Demons!(last part)

After losing to the Human Race, the Demon Race stayed at the edge of the Immortal World.

That place was extremely dangerous. Not a single blade of grass grew there, and the Human Race ultimately failed to conquer it.

That was because the price of conquering it was too high, and it might not be enough to wipe out the Demon Race.

After all, the edge of the Immortal World was not worth exploring