Many ancient texts in the Nine Heavens Immortal Domain and the Heavenly Devil Realm contained records of it.
At the far western edge of the Heavenly Devil Realm, one could cross the ethereal, vast, boundless Great You Canglan Sea to reach the Spirit Realm on the other shore.
Within the Spirit Realm, all life existed in the form of spirit bodies.
Spirit humans, spirit beasts, spirit trees, spirit flowers, spirit herbs...
The spirit bodies of this world differed from those of common lifeforms such as humans, devils, and the Demon Race. They were condensed from purer energy of heaven and earth and spiritual qi.
They were stronger than ordinary spirit bodies.
Take spirit humans, for instance—they could be understood as humans who had been spiritualized.
They could grow, and they possessed extraordinary intellect and learning abilities.
They could cultivate all manner of profound arts and secret techniques, just like real humans, yet unlike the spirit bodies of the human race, they were not constrained by the conditions of fleshly bodies.
They were stronger than ordinary spirit bodies, especially in spirit, will, mind, and soul, where they possessed immensely powerful offensive abilities. Like humans, devils, and the Demon Race, they also had different cultivation levels.
To Donghuang Ziyou, this was a race both familiar and unfamiliar.
It was familiar because records concerning the Spirit Realm and spirit clans were as numerous as dazzling treasures.
It was unfamiliar because the Spirit Realm was vague and illusory, with few people ever truly reaching it, while beings from the Spirit Realm rarely appeared in the Nine Heavens Immortal Domain.
Thus, the appearance of this spirit human before her made Donghuang Ziyou catch a whiff of something highly unusual.
She had a strong premonition that storms were gathering over the Spirit Realm!
Seeing that the