Although events described in the following story are part of the Star Wars Extended Universe, they take place in that galaxy's prehistoric past.
The time period is around the year 100,000 BBY (Before the Battle of Yavin)
For those unfamiliar with this time period and elements associated with it, I have preferred this reference guide. I hope you find it useful. As the story progresses and more elements are presented, please look for updates to this guide.
Anzati: a species feared and hated because they fed off the life force other sentient species.
Mortis: Mortis was a realm of the Force which contained dreamlike environments. Time within Mortis had no meaning
Notron: Original Name of Coruscant.
Zhell: Original name of the Human species. Notron (Coruscant) was their planet of origin
The Sacred Spire:a natural peak around which, 100,000 years later, the Jedi Temple would be built on Coruscant. Once a sacred place to the native Coruscanti, the mountain contained a Force nexus which was contained within huge, black stone walls.
The Celesitials: The Celestials were ancient entities in the Force, The Force was under the Celestials' dominion, and they manifested into physical beings known as the Ones, Force wielders who were made up of the Father (embodying the balance), the Daughter (embodying the Light), and the Son (embodying the dark).
Taung: The original Mandalorian Species. Notron (Coruscant) was their planet of origin