Luo Hong frowned but did not continue questioning. Instead, he sent his spiritual sense into the jade slip in his hand.
In only a moment, Luo Hong had learned the full details of the Sacrificial Method from it and understood where the problem lay.
It turned out that these altars were not inanimate objects, but ghosts refined by the Ghost King through a special method. Moreover, each of them followed the path of an Earth Immortal.
The Power of Faith they required came from those several million ghost soldiers.
The process by which the altars extracted Yin Qi from the Yin beasts was equivalent to an Earth Immortal burning Power of Faith to unleash divine abilities.
The Giant-Haired Corpses whipping them day and night was meant to ensure that these Yin beasts constantly circulated their Yin Qi in resistance, leaving them unable to fight against the extraction.
"So, if we want to increase the number refined at once, we must provide more Power of Faith.
"And if we want to improve efficiency, we must either strengthen the altars or improve the method of forcing them."
Luo Hong knew very well that if he wanted to use this method to resume cultivating the Nether Spirit God-Reversing Technique, he had to raise both the base number and the efficiency.
"Yes. For every additional million ghost soldiers, we can support the consumption of one altar.
"If we want to increase the altars' power, my cultivation must first advance further.
"Under the current circumstances, this method can refine Yin beasts at most at the Mid-stage True Immortal realm, and each one requires a hundred years."
Hearing this, the Ghost King immediately nodded and gave the two simplest, most direct solutions.
These were precisely what Luo Hong had thought of first, and they were comparatively