The nine heavenly realms and the world of cultivating immortals are not a single world, but a three-dimensional structure composed of nine heavenly realms - the lower third level "Mortal Spirit Realm", the middle third level "True Immortal Realm", and the upper third level "Tao Ancestor Realm". One hundred thousand years ago, the world was shattered by a cataclysmic catastrophe. All heavenly realms were blocked by "boundary walls", the circulation of spiritual energy was interrupted, and all races fell into eternal internal strife.
