Era 60,000.
The Star Ancient Empire, as a Level-Five Civilization, mechanically ascended with its entire civilization into Four-Dimensional Space, erasing all traces of its existence in Three-Dimensional Space.
It also left behind a Sophon in Three-Dimensional Space to lock down the technological development of the entire universe, as well as a sleeping guardian on Blue Star.
Unless Blue Star suffered a devastating blow, that guardian would awaken from its slumber and kill at the source any existence that attempted to destroy Blue Star, while transmitting a message to the Star Ancient Empire.
After arriving in Four-Dimensional Space to develop.
The Star Ancient Empire began stationing itself in Four-Dimensional Space and developing in secret.
As time passed, the Star Ancient Empire gradually adapted to the Four-Dimensional Universe and developed at an extremely rapid pace.
Countless life-forms and civilizations lived on the level of the Four-Dimensional Universe.
Moreover, under the Four-Dimensional Universe were countless Three-Dimensional Universes.
Time passed slowly.
Relying on the technology brought by the Star System, the Star Ancient Empire passed Level Five Civilization, crossed the Level Six sequence, stepped over Level Seven Civilization, lay through Level Eight Civilization, and reached the astonishing Level 8.9 sequence of civilization.
Era 1 billion.
Primitive Universe.
After a billion years had passed.
Civilizations gradually emerged in the Primitive Universe as well.
Moreover, the civilizations of the Primitive Universe had already reached Level Three Civilization.
However.
The direction in which this civilization had developed seemed to have gone astray.
It had taken the path of the genetic system.
It used physical technology to support biological genetic technology.
This civilization, which now ruled the entire universe, was known as the Divine River Civilization.
They relied on nebulae to survive and could travel through space-time gates to every civilization and world, traversing all parts of the