This really was a door, built into the mountainside. The stone doors were tightly shut, and no one knew what lay inside..
"Could this be the entrance to a treasure trove?" Black Donkey suddenly perked up. "Kid Zhou, look—there may not be many corpses here, but we saw plenty on the way over, and they were at least Celestial River Realm! If you ask me, the human alliance fought all the way to the Black-Bone Monster Race's treasure vault, while the Black-Bone Monster Race resisted desperately. In the end, both sides fought until jade and stone shattered together, dying to the last man, only to leave it all to us for free!"
This speculation was indeed possible, but Zhou Heng felt an ominous unease in his heart. He could not say why, but it left him deeply unsettled, as if some terrifying monster lurked beyond those stone doors.
"There could be great danger inside!" He pondered for a moment. "Let's eat those Blood Spirit Fruits first and raise our strength a level before taking a look!"
Black Donkey naturally had no objections. They had not done so earlier because refining Blood Spirit Fruits required a very, very long time, and with demonic beasts roaming everywhere, it had been far too dangerous.
This place was gloomy and heavy with yin energy. Along the way, they had not seen a single demonic beast—nor had they found any living creature at all!
Not a blade of grass grew!
That was another reason Zhou Heng felt uneasy. So many bodies lay here, with vast amounts of Spiritual Power accumulated in the area—so why had no spirit herbs grown?
Still, the lack of demonic beasts was a good thing. They could ** here in peace.
As for time, it was not a concern for Zhou