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This world is older than any of you know. Contrary to popular mythology, it did not begin as a paradise. For untold eons demons walked the Earth. They made it their home, their... their Hell. But in time they lost their purchase on this reality. The way was made for mortal animals, for, for man. All that remains of the Old Ones are vestiges, certain magics, certain creatures.
Rupert Giles[src]

The Primordium Age, was a time untold eons ago, when the Old Ones, pure-breed demons of unimaginable power, ruled the Earth.


Little is known about this pre-historic era, except that the Old Ones, also sometimes called Primordials, warred endlessly, were worshiped as deities, and made the Earth their hell.[1] Lesser demons existing at this time included vampires and Senior Partners of Wolfram & Hart.[2]

Eventually mortal animals arose, and the Old Ones were driven from this reality by humans.[3] The first Slayer, Sineya, was gifted with the weapon by the Guardians for this task.[4] Some of the greater Old Ones, such as Illyria, were laid to rest in the Deeper Well.[5]