The sky was dark and gloomy, shrouded in a sinister mist that never dispersed throughout the year.
A majestic mountain range stretching over ten thousand li lay beneath the heavens. Its contours were strange, resembling countless burial mounds piled atop one another.
Stranger still, everywhere one looked, the mountains were covered in jagged, gray-white rocks, without a trace of greenery. Even the occasional trees that thrust out from cracks in the stone looked eerie and frightening, their branches twisted and coiled.
This uncanny mountain range was the renowned Northern Mang Mountain.
In mortal legends, this mountain was a gateway connecting the underworld to the world of the living, and countless evil ghosts that had escaped the underworld were bound within it.
Any living creature that dared set foot there would be devoured in an instant by the evil ghosts and monsters filling the mountain.
Cultivators, however, knew the truth was not quite as the legends told it.
Northern Mang Mountain's harsh environment was chiefly due to a high-tier spirit vein with yin-baleful attributes beneath it. The yin-baleful energy it produced was deadly poison to human cultivators, but a favorite of ghosts, zombies, and other such fiends.
Thus, almost all the fiends in Great Zhou gathered on this mountain, including quite a few fourth-tier beings.
Ruling over Northern Mang Mountain's fiends was a middle-stage fourth-tier Bloodwheel Baleful Corpse with astonishing divine abilities, who relied on the ghost formation at the mountain's heart and its unique yin-baleful environment.
Even if a mighty Nascent Soul late-stage cultivator came in person, they could only drive this corpse back, not kill him!
Of course, this was mainly because the Corpse King knew his place. He rarely left Northern Mang Mountain and had never provoked the Immortal Alliance.
Otherwise, even if he huddled within Northern Mang