Following the events of Magical Mystery Cure, Twilight Sparkle has become an alicorn princess of Equestria, learned all there is to know about friendship, but somehow feels like something's missing. A mysterious Trossel by the name Soon informs her of the true gravity of her choice to become an alicorn, culminating in Twilight having to choose between her destiny or the one she loves who could never accept her new form–and the consequences that come with it. Fix-Fic for the series finale.

This fanfic takes place in the same universe/headcanon of Ethereal Chaos, which can be found here: http://www.fimfiction.net/story/56218/ethereal-chaos, but is not in canon with the main over-arcing plot of it; if you haven't read Ethereal Chaos, there will be an Author's Note briefly explaining everything that you need to know.