Heavenly Demon, Immortal Slayer

People often say, "Heaven and Earth are not benevolent; they treat all things as straw dogs." But in the Three Thousand Worlds Across the Heavens, it is the immortals who are unbenevolent, treating all things as straw dogs. These worlds are controlled by immortals, who reign supreme. In truth, immortals are merely beings with great cultivation, capable of living forever without dying. As a result, they hold themselves in the highest regard. To preserve their lofty status, rule over all living things, and live forever, they wield the Heavenly Dao and treat all things as straw dogs, using whatever benefits them and destroying whatever poses a threat... At last, one day, the Immortal Realm accidentally gave rise to a Heavenly Demon, bringing about the destruction of the immortals...