It shouldn't have been a big deal. Celestia was kidnapped or knocked out or just generally made to seem powerless by whatever idiot with ill intent decided to show up on a nearly weekly basis. As the mighty and immortal Sun Princess, she could escape at any time, but she was happy to play these little games. The daring rescues and bloodless battles gave her ponies such a sense of confidence and purpose!
But this one didn't go as planned. One small, stupid mistake got her thrown to the twisted reaches of the world-prison, Tartarus. Now alone, unarmed, and barely more than mortal, Celestia wakes in a living landscape where everything has every reason to hate her.
And, far worse, she has accidentally picked up a passenger.

Sidenote: This a repost (I tried to go through official channels, I promise!) of a story I wrote long, long ago on an account I foolishly deleted. Back in those days, Tartarus hadn't shown up in an actual episode yet. It's not exactly an alternate universe situation, but it has nothing to do with the canon portrayal of the place.

Super amazing cover art by Cold In Gardez.

The waiter has just made a very funny mistake. See, he thinks Twilight, Rainbow Dash and Rarity are all dating, when it's actually just Twilight and Dash. Rarity thinks it's very funny not to correct him. Now how far can she take the joke?

A spiritual sequel to Flimsy Pretexts, written as a response to the effervescent Monochromatic. An effort to close our loop of RariTwi x Dash, then RariDash x Twi - naturally there needed to be a TwiDash x Rarity for balance.

Preread by Pearple Prose and Undome Tinwe

This story is a sequel to Prey and a Lamb

'Little lamb, Little lamb, where have you been?~ I've sown the fields and reaped the corn~'

Ups and downs, triumphs and setbacks. This story(s) mainly draws from the characters after the end of 'Prey and a Lamb'. These individual story-chapters are both about what came afterwards, and their owners involvement in the wider events of Equestria.

You don't necessarily have to have read the marathon long previous story, (its really long, I know) as the characters can stand alone to an extent, but it might help. Or not? You can do as you please.

Now, as a word of how I plan to do this, first off: There is no release schedule! Sorry, no bi-weekly update grindstone writing. However, each chapter will be a small self contained story in itself. I will maybe use certain characters more than once, and interweave these min-stories Time Lines, but this will at least mean there are no cliff-hangers at the end of each chapter.

(Disclaimer: I own nothing and have no say in FiM and associated industries. The cover image came from a suggestion from earth)

After several jumps go wrong, Anon lands himself, er, herself into another land of colorful equines. This time stuck for an entire year before being able to continue on her quest of returning home.

Question remains, will Anon want to?

Proofread and edited by PseudoBob Delightus and Discombobulated Soul

Starts shortly before season one. More character tags will be added as they become relevant.
Includes a grumpy former human.
Dark tag for flashbacks.
Violence tag for flashbacks, mentions of past violence and the second chapter and tenth chapter
Will there be cake?
Maybe?
Maybe includes cake.

After 989 years on the moon, Nightmare Moon is eagerly awaiting her return to Equestria, take down her sister, and claim what should rightfully be hers.

However, one can only brood and plan for so long before things grow... stagnant.

And then, something catches her eye, coming towards her moon's surface at an alarming speed. Maybe this, whatever it is, will prove to aid her in her plans.

[Sex] tag for implications, nothing explicit (obviously it's rated T guys yeesh).

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Story was written for Jinglemas 2021 as a gift for PeerImagination. They wanted a Nightmare Moon and Human romance, and I hope I did good by ya! Apologies for the story length, but it got waaaay out of hand on me and I have a disease where if I'm writing something I'm liking then I tend to do more than I should.

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Cover art by Aquaticvibes, used without permission so if there are any issues feel free to yell at me.

Pre-read and edited by the wonderful Pascoite who helped a ton with the olden speech, and Fregz for putting up with the initial storyboarding that went out of control.

Top of the Box of Shame (M on) 12/26/2021, 12/27/2021 (Oh no not this shit again), 12/28/2021 (The third day), 12/29/2021 (YOU'RE KILLING ME, SMALLS!)

Sequel: Left Behind: Sunny Disposition
Apparently it was scouted and is on EqD too

Nightmare Moon was meant to be released after a thousand years. A momentous occasion for her but terrifying for all the ponies on her day of freedom. She would get revenge on her sister and cover the world in darkness and shape everything to fit it.

That was the plan, at least. Instead, something went awry with the spell and she wasn't released when she was supposed to be. The mare-in-the-moon is brought into a world with stagnated technology, giant cities, and no sign of her sister or any of the other immortals. In fact, ponies don't seem terrified of her at all, and the stay within the core of her powers infused and changed the alicorn's body drastically.

The alicorn had no obstacles left! But...she was also a relic of the past. A past everyone seemed to have forgotten. A past she could no longer look upon.

Artwork by ElkaArt. Link in source.
Big thanks to Kryostase for helping spot errors I've missed.

"Sub-Level Five doesn't exist." That's the official statement of the Stairway company.

Washing out from the Night Guard program is usually a death sentence to any similar career. When Astral Sentinel was asked if he was interested in a security job, the Thestral obviously jumped at the chance.

There was just one oddity about the job. Well, there were quite a few, but mainly just one.
He just never, ever could acknowledge the existence of Sub-Level Five.

When a complete lock-down traps the Thestral inside the odd facility, he has to break that one rule. As the security systems begin to eradicate all life inside the building, Astral has to venture down to the elevators that officially don't exist, to a floor nopony alive will speak of.

He soon finds out that some things are best left buried beneath rock and stone.

*Warning. Hitchhikers may be escaped convicts.

"This story is simultaneously horrifying and adorable." -Witchery

Takes place far after Season 9. Although, it could take place at any time...(or in the Radverse, as some people call it.) This thing took on a mind of its own.

Seriously.

Read on if you want to join Astral for the ride.
I hope you brought your crowbar.

In later chapters, loose spoilers for Timeless, Sunspots, and Cure for a Toxin
Warnings for creepy atmosphere, gore, violence, and brief mentions of sexual content/assault (nothing explicit, only implied.)

Despite this being a horror story with unpleasant elements, it's not grimdark or a depressing tale. Lots more ups and downs, but overall it's a positive read of good vs evil, love and fluff; those are the types stories I write, after all. I just want to let everyone know what they're getting into, and don't want any readers blindsided due to some of the content.
(Not a romance involving a 'herd')

This story is a sequel to No Room In This Hell

I've seen it happen before. Ponies get bit and come nighttime, they turn. 

I dunno if they're even really alive at that point, but I know they're strong as an angry bull. It's like they don't care about anypony else anymore, not even themselves. They bite. They've got these fangs and they bite like a rabid dog. 

I turn to look at Rainbow. They got her, too. But we were quick. We got rid of the wing they got 'er at. I think… I think that'll help. 

Originally written for Quills and Sofas Speedwriting’s Lyrical Contest, where we had 24 hours to write a story based on a lyric or lyrics of a song of our choosing. Thanks to everyone who preread (I swear I’ll list y’all later).

Rainbow Dash's morning was pretty much ruined.
She tripped getting out of bed and landed flat on her face, giving herself an aching muzzle.
She forgot to buy her favorite brand of hay flakes at the store yesterday and had to eat plain toast for breakfast.
She found out she had to pull double-duty today and tomorrow on the weather patrol.
Oh, and she found a nearly-dead foal, broken and bleeding at the edge of Ponyville.

The rest of her day became a whirlpool of stress and worry but the colt woke up, thank Celestia.
Something's not right, though. Nopony can find his parents, he's not in the registers, and there's an unsettling look in his eye...

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YouTube reading by Fire Hearth

Chinese Translation by forgivenlove

Russian Translation by Likantrop

TV Tropes page, if you're interested in that sort of thing.

After living with Nightmare Moon for a while (due to extenuating circumstances), Anon starts to notice a few oddities in her behaviour. Ones he understands all too well, and ones that are fresh on the mind.

In an effort to help her before it gets any worse, he drags her out of Ponyville for a night to talk about life's problems. And maybe cuss out her sister once or twice.