The Ancient Demon Den hidden deep within the Wuyandu Mountain Range had buried far too much of the past.
The Demon Tide that had once swept across the present world had likewise receded like the tidewaters.
The scars that the World Honored One had wept over as he walked barefoot upon the earth had all been washed clean by time.
The Ancient Demon Dens scattered throughout the land had once nearly altered the fate of the present world, much as the Celestial Demon Dharma Altar illuminated the Demon Realm.
In the end, they had all become unremarkable abandoned stone caverns, holding the lonely sound of wind from countless ages, or serving as sites for the explorations of scholars seeking traces of history.
In truth, there was usually no "danger" to speak of.
Or rather, the dangers of these Ancient Demon Dens basically had nothing to do with Demonic Beasts.
Jiang Wang's encounter with the Seven Hates Devil Lord had been an accident that would not occur even once in the countless expeditions undertaken by young heroes and heroines.
In this day and age, other than at the Border Wasteland, where would any Demonic Beast dare show its head?
Demon Dens had been passages through which the Devil Race entered the world in ancient times, but they had long since been sealed shut. If the barriers of the present world were likened to city walls, then Demon Dens were at most somewhat thinner stretches of those walls.
The Border Wasteland was where the city gates lay, contested by both sides as they continuously committed forces and fought one another.
Beyond the Border Wasteland, even a terrifying existence like the Seven Hates Devil Lord could not—and would not dare to—invest too much power.
It was Jiang Wang's active summons in the present