A normal day was all it took.
A simple failed prototype, a missed experiment.
There was an explosion, and I woke up. I don't really know what happened between those two events, but I'm fairly certain I shouldn't have awoken in a small, dark box.

I'm scared.

Cover art by the amazing Avatar of Madness!

After a tragic paper cut accident leaves Twilight Sparkle dead and buried, the townsfolk of Ponyville are soon horrified to learn that even death can't put a stop to Twilight's nefarious appetite for knowledge.

Best way to learn, you ask? By eating your brains and gaining your knowledge, of course.

Twilight's relentless study of Pinkie's strange abilities leads to a horrifying revelation.

This site really needs an existential horror tag.

Meet Rarity. Fashionista. Element of generosity. Owner of a succesful business. 273 years old vampony.

...I beg your pardon?

When one has been alive that long, one gains a lot of experience and learn some valuable lessons. How to stay alive, how to separate chiffon and georgette and how to get your crush to notice you.
Ok, perhaps not the last one. Apparently Twilight Sparkle don't get subtle hints. But then, when you are a supernatural being with some rather enthralling powers and opportunity knocks...

Really, darling, it's not like some good, old-fashioned mind-control could hurt someone! Right?

Right.

Written for Monochromatic's Raritwi contest. Dark tag for... dark stuff.
Warning! Contains some Shakespeare. Edited by Derpiushoovicus2.
Cover by Spydol and used with permission.

Sunny Flare puts all the kinds of notes in her schedule. After all, it's hard to keep track of all the lessons, additional classes, and other activities that fill her daily life. However, one note is not like the others.

For starters, Sunny doesn't remember putting it there...

Pre-read by Bootsy Slickmane

The griffons demand the return of hunting grounds they owned long ago. But since Princess Luna’s return, Equestria has only grown more formidable, in ways the griffons would never expect.

In a small village of the disputed region, a young mare named Lucky Strike finds herself caught between an immovable object and an irresistible force. Before it’s over, she might hate herself worst of all.

An entry in the Writeoff Association’s “Great Expectations” event.

Featured on Equestria Daily!

*Takes place before Season One*

After a chance encounter with Lyra Heartstrings, Twilight Sparkle finds the lost journal of Starswirl the Bearded. Princess Celestia warns her not to read it, for it was a work that drove him mad. However, it promises to reveal to her a secret that she had obsessed over for years that has powerful magical and philosophical implications, the Meaning of Life.

Even as she starts to learn about friendship, Twilight delves deeper into the secrets of the tome. An ancient being begins showing her visions in her sleep—visions of the secrets of the world.

Can her friendship and her sanity survive discovering the Meaning of Life?

Most ponies assume that something is wrong with Ditzy Do's eyes. Theories range from a head injury to a genetic disorder to muscle damage behind her eye. The crueler folk suggest she's just retarded. Nicer ponies say it's just a party trick she never got tired of.

They're all wrong. They're all very, very wrong.

I discovered the truth one day in conversation with her. One eye would always look at me, and the other would wander. At least, I thought it was wandering. So while we were talking, I followed it. Goddess in heaven I wish I had not. Never follow the other eye. Ever. Because Ditzy Do's eyes work fine.

She's just watching something. That... thing that's always in the corner of our eyes. And if she looks at you with both eyes?

Goddess save you.

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Preread by BrastaAAura17, Chase Cosmicwing and dreamingnoctis. Cover art also by dreamingnoctis. Guy's a bro.

The story will never truly be finished because I'll keep adding monsters to it, but I keep the 'complete' tag for peace of mind.
Twilight, after pleading by Cheerilee, goes to the school of Applebloom, Scootaloo, and Sweetie Belle in order to teach the children there about what creatures they should never face. Regardless of how she explains it, the children almost have a heart attack.

Later down the line, she discovers an old booklet by a hunter named 'Spiral Tooth' and goes through their rather 'colorful' descriptions of the monsters they've encountered with Spike.

That Pic was done by Samaru163

This is basically just a bestiary of things that pass through my head that I might use in a book or for a story here at a later date.

This story is a sequel to Twilight's book of the most dangerous creatures in Equestria

Twilight decides to take the journal she and Spike received by accident in the library and goes into deeper recounting of the 'occult' entities detailed within it.

Disclaimer: Horror tag is for the potential spookee skelytans in the journal.
Additionally, this isn't a sequel, but a focus on another type of monster.