Compared to the former, however, ghost cultivators were far too few. So, let alone ordinary people, even many low-level cultivators did not know that spiritual energy was divided into yin and yang. What they usually referred to in broad terms was yang spiritual energy.
In other words, for an ordinary immortal cultivator like Lin Xuan, since the spiritual energy he absorbed was different from that of ghost cultivators, the spiritual power inside his body was naturally vastly different as well, likewise divided into yin and yang.
Thus, although immortal cultivators could not cultivate ordinary demonic-path cultivation methods, they could still learn the various secret arts within without issue, because the source of the two kinds of spiritual power was the same; only their understanding of cultivation differed.
However, ordinary cultivators, even demonic cultivators, absolutely could not learn the secret arts of the ghost path, because those spells could only be driven by "yin spiritual power."
That feeling was like having a mountain of treasure set right before him, yet being unable to enter it. As for the various divine abilities recorded in the latter half of the Mystic Demon True Scripture, Lin Xuan could only look on with hungry eyes.
Although the Nine Heavens Profound Art he himself cultivated was in no way less precious than the Mystic Demon True Scripture, and even seemed to surpass it by a level, as the saying went, stones from another mountain could polish jade. Lin Xuan still coveted it terribly.
Moreover, there was another problem here that left him depressed. Although the Nine Heavens Profound Art was a top-tier cultivation method of astonishing power, and if cultivated to the great accomplishment realm, it could absolutely allow one to roam unhindered through the cultivation world, there was one prerequisite: great accomplishment.
In other words,