Deng Yin sat upright on the Diamond Spirit Stone, trying to suppress and refine his Heart Demon.
Heart Demon originated within and was a kind of Inner Demon. External demons were easy to subdue, but Heart Demon was difficult to refine.
That was because Heart Demon was, in essence, part of one's own emotions. Defeating others was easy; defeating oneself was far too difficult.
People usually failed to recognize their own mistakes. When everything was smooth sailing, naturally it was all because they were so great and capable. Even when they suffered setbacks, they did everything possible to find excuses for themselves. It was always someone else's fault; they certainly had done nothing wrong. Even if they had made some small mistake, it was only a minor slip. The major faults still lay with others—with the nation, with society at large.
Without recognizing their own shortcomings and mistakes, they could not defeat their heart demons. Their heart demons ruled everything they did. When the heart demon wanted happiness, they were happy; when it wanted anger, they grew angry, all while remaining utterly oblivious.
The greater one's magical power, the stronger one's Heart Demon. Both Buddhism and Daoism emphasized cultivating the mind and character. Many who lacked orthodox methods of mental cultivation practiced for several lifetimes and still could not subdue their Heart Demon.
From the outset, the demonic path demanded that practitioners follow their own natures, putting all their efforts into making themselves stronger.
They never looked inward or reflected on themselves, and could not even perceive the existence of Heart Demon.
Deng Yin had already cultivated to the pinnacle of this world's demonic path. He had mastered the complete Blood God Scripture and become undying and indestructible. Would he admit that he was wrong?
In his subconscious, he would