On a dark night filled with even darker magics, an insane cult attempts to give Nightmare Moon a body and life of her own, utterly separate from Princess Luna. But, when the spell is interrupted by Celestia, something unexpected is created.

Now, a little black alicorn filly named Nyx finds herself living under the care of Twilight Sparkle, only to be haunted by memories and emotions from her past. Is she Nightmare Moon reborn or is she simply a doppelganger with a soul and mind of her own? Can Twilight Sparkle protect Nyx from those who refuse to see past her dragon eyes and black coat?

Or, will Nyx be forced to inherit the sins that may not even be hers and become the greatest evil Equestria has ever known?

A prequel to Boast Busted.

Now has a TVTropes Page!

Trixie Lulamoon, the personal student of Princess Luna, has finally, through a combination of reasoning, pleading, and whining, managed to convince the princess to invest some real responsibility in her, and give her a chance to show off everything she's been learning while under the alicorn's wing. Luna has appointed Trixie to be the official representative of her Night Court to the town of Ponyville, which this year will be hosting the Longest Night Celebration. Trixie is additionally tasked with overseeing the preparations for that festival.

At first, things seem to be going less than swimmingly. The catering is way too many kinds of apples, the weather patrol is far behind, the musical maestro is nowhere to be found, and the decorations could use significant toning down. To top it all off, Trixie can't help but feel that this was less an appointment to a position of real responsibility, and more an informal exile from the Night Court. Still, things could be worse: a mad alicorn goddess of fire and hate could escape from her millennial imprisonment on the sun and try and conquer Equestria.

But what are the chances of that?

In the magical land of Equestria, the night has lasted for a thousand years. But now, with the anniversary of Queen Luna's victory over her rebellious sister approaching, the Queen's most faithful student learns about a disturbing old prophecy. Can she, along with a hastily gathered group of allies, save the Land of Eternal Night from the dawn that Hellion Queen is trying to bring?

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This is an alternate-universe - or, to be absolutely precise, a reverse-universe fan-fic for MLP:FiM.

The cover image is a bit of fan art from DotRook over on dA: Dark Equestria: Rarity

Second (and final) chapter will be coming soon, once I polish it a bit.

Source

Rarity's exploits in "Sweet and Elite" set in motion a chain of events that will find the unicorn dressmaker taking part in the greatest airship race in the world, the Alicorn's Cup. Excitement will give way to terror, as Rarity soon finds herself the victim of a plot against Equestria, and shipwrecked far from home with her least favorite stallion, the boorish Prince Blueblood. Rarity will learn of treachery in Canterlot and abroad, and will have search for something of substance beneath the prince's obnoxious veneer as she struggles to not only save herself, but her entire nation.  

Part One of Three

The Adamant Triskelion - Book One: The Flight of the Alicorn

The Adamant Triskelion - Book Two: The Abyssal Forge

The Adamant Triskelion - Book Three: ???

"It's so nice to see you again!" said the thing that was not Celestia.  "Oh yes, I know who you are, Twilight Sparkle.  I had a taste of your magic the first time we met. Mortals forget things so easily, I find.  Allow me to refresh your memory: you tried to kill me.  But you failed, Twilight Sparkle.  You only mostly killed me.  And I guess that makes you one very unlucky little pony."

The Ponyspawn have invaded Equestria, and it is up to the newest addition to the Grey Wardens, Twilight Sparkle, to find the means to drive them back! With her friends and allies at her side, can Twilight defeat the evil tide before all of Equestria is devoured?