It is a tale well known to all: Twilight Sparkle, immortal alicorn, forced to face the world without her friends. Time having separated them, never to meet again, leaving only one Princess all alone, the last to remember those happy times. Alone in her castle, mourning all she has lost.

...too bad certain ponies have no sense of the dramatic and are too inconsiderate to actually be dead.

Uncle lives a very fulfilling life at his antique shop. It's peaceful and quiet for the most part, just how he likes it. Of course, he's a skilled chi wizard, so he knows better than to actually let the universe know that he's content. So he complains.

A lot.

Then one day, a basket containing three infant magical ponies arrives, and his peaceful life goes out the window...to be replaced with, perhaps, something a little more than contentment.

The universe, apparently, is smarter than he gave it credit for, because now he has "Three More Things!" to complain about to hide just how much they mean to him.

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Part of the PWNY-verse.

First chapters take place approximately 10 years before the events of the first episode of the show.

Edit: Cover Art put together by Shadow Bolt
Edit 2: New Cover Art by Swan Song. Link to his page in image source.
Edit 3: Level Dasher commissioned an image of the CMC with their new Cutie Marks from Katakiuchi4U over on Deviantart. Here's the pic!

MLP/Undertale crossover.
Not a PWNY-verse story.

Long ago, the Monsters and Humans fought a great war. The Monsters lost, and were sealed in the Underground. It would take the power of seven human souls to break the barrier that kept them imprisoned. They only had six. And so the Monsters waited and hoped, praying that another human would find their way to the Underground. Some thought the seventh soul would give their King the strength to break the barrier. Some dreamed of a human who would be their friend, and save them all...or had nightmares of one who would bring back the war.

...but nobody came.

...but somepony did.

Eons after the war, with no way to tell how much time had passed above, a tiny blue filly with wings and horn fell into the underground, calling for her Mama. None knew the poor creature's nature or origins...but her soul was powerful with magic, even more so than a human soul.

None can know what will come...of this little 'Woona'.

Cover art by Sanyo21

It is recommended you read this story in one of the Dark formats in order to better distinguish the colored text of the 'other voices'.

Hey folks! Name's Deadpool!
I thought that was all of us?
It is. He's just introducing us as a single entity.
Will you two idiots be quiet? I'm trying to talk to the readers! Anyway, I know you've all been waiting with bated breath for this story ever since it was announced, and here it is! And it's going to have everything you'd expect of such a story!
Explosions!
Adorable father-daughter bonding moments.
Total babes!
Awkward hilarity.
Not to mention me, Deadpool, the merc with-
Daddy, who are you talking to?
Oh hey Chryssi! Just telling the readers about-
Are you breaking the fourth wall again? I thought you were going to teach me how to do that today.
That's what I'm doing! Say hi to the readers, Chryssi!
You will all love me and despair as I feed upon your adoration to become an unstoppable god!
That's my girl! Hey, wanna read the story with me?
I brought popcorn and chimichangas.
*sniffle* You're the best thing to ever happen to me, Chryssi!

Hey look! We've got cover art now!
Aww, you were so cute at that age!
And I'm not cute now?
Now you're sexy!
We should thank Sanyo21 for the image.
Then I guess I'll throw up a link! Nnnghha! http://www.fimfiction.net/user/sanyo21
...did you really have to literally throw it?
Yup!
Oh, and for those who don't know yet, this story is part of the PWNY-verse. It's not all about us - even if it should be - but you'll probably enjoy it to-Oh, stop making me a shill already!

Oh, by the way, it's recommended you read this story in Dark or Ultra Dark. Some of the colored text doesn't show up clearly otherwise. Not necessary, but just a suggestion.

It was a night that will forever be burned into the memories of everypony. One fateful night in Equestria everything changed. The princesses who had ruled over the world with kindness and heart were gone, and a new ruler had taken their place.
Years have passed since that event. Ponies have grown up, aged, and moved on with their lives. Equestria has become a very different place over the span of these years.
Our story begins when a face resurfaces in Equestria. When a weathered, scarred, but familiar face steps into the light.

This is the fanfic based on Astringe's Bad Future series on DeviantART. He did some great designs of the characters, so make sure you give that gallery a peruse before you read the fic.

Also worth mentioning, he's been nice enough to plop any pics he does based on chapters I've written into this separate gallery, so there will be less spoilers for readers just jumping in to the story.

NOTE: The canon of my story picks up at the start of Season 3, where it begins to diverge away from the canon of the show. I've never read the IDW comics nor have I seen Equestria Girls, so the events of my story aren't canon at all with them.

Now has it's own TVTropes page!
http://tvtropes.org/pmwiki/pmwiki.php/FanFic/BadFutureCrusaders