"I'll study it first and come find you once I've mastered it." After obtaining the cultivation method, Shi Feiyang quickly severed their connection.
This demonic art was primarily used to cultivate Demon Heads, but it could also temper one's own body and Primordial Spirit, ultimately refining the latter into a God-Demon. It could also refine someone else's spiritual body, turning that person into a God-Demon as well.
The Red Lotus Demon Scripture also contained methods for refining Demon Heads, but those belonged to the Western Demon Cult. What Fan Najiayin Er and Kayin Shabu practiced was also quite elementary, nowhere near as fast or as potent as this method.
Shi Feiyang took the cultivation method apart, worked out what every step accomplished, and finally isolated a number of incantations.
Some incantations helped settle the mind, while others helped concentrate the spirit. There was also a separate, particularly obscure passage that established a responsive connection with E Shengfan.
As long as he included this passage each time he cultivated, once his power reached a certain level, E Shengfan would sense it and cast spells from afar to influence his mind, or even control his Primordial Spirit.
In other words, if he removed this passage, he could practice the method without any trouble. No matter what he achieved, E Shengfan would have no hold over him.
Having seen through its inner workings, Shi Feiyang began cultivating.
Demonic Path cultivation methods tempered the Primordial Spirit, refining it toward becoming a Heavenly Demon.
A Heavenly Demon's greatest strength was its power of perception. It needed no calculations to understand events; the knowledge simply arose in its mind. This was somewhat like the supernatural powers of Buddhism. Shipi Old Man, the leader of the Great Asura Cult and another of the Six Oddities of the