Twilight Sparkle is dying. The pony body was never meant to handle her level of magic and now even the smallest spell causes her body to degrade. The only cure is to stop all magic use and hope that her body slowly heals itself, but things are rarely that simple. Celestia has fallen ill and her only hope lies in Yggdrasil, hidden deep in the Crystal Desert.

Twilight wakes up after a failed experiment and quickly discovers just what that failure did to her.

Will she be able to function in her new form long enough to find the counter spell, or will she go crazy before she gets the opportunity?

Can she handle being a carnivore in a town of herbivores?

What happens when a pack of Timberwolves comes, driving her to an ultimate decision?

5/11/2014 -Featured!

What should one do when they find their current knowledge lacking? After the changeling attack, Twilight has to answer that question and for her the solution is simple enough. But her chosen path may yet turn out to be her downfall. Will the cost of knowledge be too high? Or will she be victorious in her journey into the paths of darker magic? One way or another Twilight will find it out as she learns under her new teacher. There is however one thing everypony close to Twilight should remember, that history likes to repeat itself...

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A/N: Tags will probably be added as the story progresses. Updates may be irregular. Flames will be ignored, constructive criticism is welcomed. Now the image: background by me (and it shows), NMM recolor by DoctorXFizzle.

Play this song first!

Twilight Sparkle has always been looking forward to her 21st birthday. It's the day that she's finally recognized as an adult mare, but also the day she's finally able to learn magic on the highest level. What should have been a great day though, turns out to be the most horrific day in her life. She finds a prophesy talking about the next great evil in Equestria, and it's HER! Now she's falling, slowly becoming the very evil she swore to fight against, and not even her closest friends can pick her up in time. In the end, she may even...

Apple Bloom is tired of being the last in her class to not have her Cutie Mark, but her friends Sweetie Belle and Scootaloo aren't going in the right direction to get their Cutie Marks, and she knows it. In order to get her Cutie Mark the right way, Apple Bloom begins to have thoughts of separating from her friends, and getting her Cutie Mark on her own. But her search for her Cutie Mark opens up to a major mystery in Equestria, and Apple Bloom will discover much more than just her special talent...

friends become enemies...

destinies are revealed...

light fades into the darkness...

and through it all, a hero is born...

This is the first main story in the series.

New cover art by my friend The Spectralist.

Link to the TV Tropes page!

We all know the story of how the Princess’ young student and five friends defeated Nightmare Moon and brought Princess Luna back to our lands. But what if the tale were false? What if the young Twilight Sparkle on the event of her entrance exam had not been rescued by Princess Celestia, but instead lost her mind among the power of her youthful surge and had to be sent away, far away before she could destroy all of Canterlot with her newfound power. Now the feral unicorn prowling the Everfree Forest only vaguely remembers her past, slipping away from constant terrifying attempts to capture her.

And she is beginning to remember what true power felt like.

Editors include: Peter, Justin, Featherprop, Mitch H, and Bad Horse
Featured on Equestria Daily
Reviewed by Chris on One Man's Pony Ramblings and by Paul Asaran on his review blog
Now with a TV Tropes page

Physical books are available on Lulu.com
Monster in the Twilight (Paperback) 272 pages
Monster in the Twilight (Hardback)

Coverart edited version of ranban's Two Friend

What does it mean to be a unicorn? To have spells that create fire, and have light at one's beck and call? The ability to conjure illusions, and grasp and throw objects with just a thought?

There is a point in every unicorn's life when they must decide whether to live with magic as a mundane thing, a simple tool, or to steep themselves in the higher learnings that is their birthright.

For three young mares that have been chosen to be taught by Princess Celestia, herself, their studies have only just begun.

PLEASE share your thoughts about the story in the comments!

When I first met Princess Twilight, she was confused, lost. Adrift in an alien world. I thought of her as a rich eccentric, certainly a foreigner. I humored her as much as I believed her, really. Even when she dragged me to the very ends of the world in her mad quest for a mythic well, I really did it all for her. I figured it would help her find some closure, and we could go home.

I was right, in a way.

Based roughly on the game 80 Days.

It's been a year now since Twilight vanished after attempting a sonic rainboom. She's spent her time fighting in WWII alongside her brothers in arms. Now, after a bad jump, she finds herself back in Equestria. After a well deserved rest, a nice, warm bath, and the most unusual breakfast, she begins to tell her story.

Celestia is just a dream of a fair and reasonable government. MLP is just a cartoon and Canterlot isn’t a real place. But the fandom is very real......
Everyday gigabytes of data are poured onto the net. It really is the 'all of everything' needed to build a world of MLP and not just Faust's version either. It has all the happy short stories, the tales, the clips and finally, the DarkFics.
So what would happen if all that data about Twilight Sparkle started to think? Like the primordial soup that formed life from the elements? That’s right Bronies, Twilight is seven feet tall with a twenty foot wingspan and is filled with all the hope and despair that’s been poured out over the years of fandom. And worse still, you can’t shoot her, or even touch her, because she's a ghost that runs around the server halls of the world, flashing from one country to another in the blink of an eye.
She loves knowledge, she loves her friends and she likes to organise things, 'just so'. And in her eyes, our world and our lives look chaotic and messy. Prepare to be organised!
Audio Book; https://m.youtube.com/watch?v=7jlJX6pWD_c

There is only one real rule regarding changeling royalty: there must always be a queen. Twilight Sparkle is about to learn this through personal experience.

Originally written for an X Becomes a Changeling prompt almost three years ago.
Set after season three.