Yin Mountain's sacrificial altar was one of the ten most dangerous places in the Nightmare Moon Realm. Since Qin Fengming had entered this altar, which possessed such a formidable reputation, he naturally did not dare to be careless in the slightest.
The moment he entered the dense black fog, he activated the magical power within his body. At the same time, he circulated the Treasure Refining Ghost Refinement Art, stimulating the soul force within him to protect his mind.
He had never entered an ancient sacrificial altar, but he had encountered the strange artistic conception formed by Immortal Realm runes—and not just once. The restriction Ancestor Daoyan had set up back then should also have counted as a place filled with extremely pure Immortal Realm runes.
Qin Fengming naturally had many insights regarding the artistic conceptions that appeared within it.
As his figure sank into the black fog, Qin Fengming suddenly came to a halt. A tremendously viscous force of obstruction pressed down upon his body.
Everything before him was pitch-black. He could not see even several dozen feet ahead. When he released his divine sense, he could explore only a few dozen feet at most.
Qin Fengming merely sensed an extremely peculiar aura within the fog. That aura seemed to change along with the strength of his divine sense.
Seeing this, Qin Fengming abruptly understood. The fog itself was a restriction—a restriction specifically designed to affect a cultivator's divine sense. It made every cultivator who entered unable to explore beyond a radius of thirty or forty feet, regardless of strength.
The area before him was empty. There was no sacrificial altar like the one in his recollection.
After pausing briefly, Qin Fengming moved toward the front.
He did not have to wait long. After advancing only a little over