These are the major time periods referred to when talking about the ancient ruins, artifacts, and books.[1] The order of the eras is not completely clear, however Nie Li does state that the Era before the Age of Darkness was the Sacred Empire Era.[2]

At one point Nie Li mentions the Black Gold Empire Era, but then it is said that the Black Gold Empire was an empire during the Snow Wind Empire Era. [1]

The major eras are:


(Oldest to Youngest)

Ancient Era
Saint Spirit Empire
Snow Wind Empire
Sacred Empire
Woodland Empire This is not described as a major "Era," but rather a time between the fall of the Sacred Empire and the Age of Darkness.
Age of Darkness (current) The human empires have fallen and only pockets of civilization survive.

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