Dìtǔhé Constellation.
Shen Mo sat cross-legged within the temporary immortal domain he had opened, devoting himself to compiling the Demon-Extermination Secret Canon. He sought to use this method to scour away the demonic miasma throughout the universe and weaken the Devil Ancestor's cultivation!
The reason Heavenly Demons had been able to rise and endure within the Xuanhuang Universe for hundreds of millions of years naturally involved many factors, but the most fundamental reason was that these creatures were formed from the Devil Ancestor's original power. They were one of the means by which the Devil Ancestor had insidiously lodged itself within heaven and earth, plundering the immortal Dao to strengthen itself.
The will of the universe and the Dao-controlling Da Luo could not directly eradicate the Heavenly Demon race. They could only suppress and clear out Heavenly Demons through other means.
Yet the Heavenly Demon origin possessed an extraordinarily potent contaminating nature. Not only could it demonize and devour all living beings in the world to continuously strengthen itself, but dead Heavenly Demons could also defile the spiritual qi of heaven and earth, spiritual veins, earthly veins, and even entire worlds. Like the source of an infection, they could not be completely cleansed away.
Not to mention that after the emergence of the new-type Heavenly Demons, they could be born as inner demons from cultivators' Dao hearts. From then on, this race could no longer be exterminated completely.
Shen Mo did not possess the strength or means to erase the Heavenly Demon race from the world entirely either.
He compiled the Demon-Extermination Secret Canon so that ordinary cultivators and True Immortals whose cultivation was not high could use this method to turn Heavenly Demons into cultivation resources. Ordinary cultivators would be able to enter the True Immortal Realm directly without