One thousand and eight hundred years ago, in the time of the three tribes, two fillies were born.
One, Celestia, was a prodigy, destined for greatness.
The other, Luna, was a secret, destined for anonymity.
Yet the future will see both rise higher than anypony could have imagined.
The time of unicorns is ending. Now comes the time for alicorns.
Canon to the Stewardverse.
The story of Celestia and Luna's origins and ascension and maybe, just maybe, the truth of what came before.