A Diamond Dog king, feeling bold after gathering an army of 100,000 dogs, decides the best way to flex his new muscles would be to invade Equestria for past perceived slights. As such, he sends a letter to Princess Celestia with a declaration of war.

It goes about as well as you'd expect.

Wandering around the park, Pipsqueak tells his mother about the latest exciting issue of his favorite comicbook series when they come across a meditating Princess Twilight Sparkle. Geological hilarity ensues.

Frederic Horseshoepin was born to be a pianist.

Frederic Horseshoepin was the most gifted student his instructor had ever taught.

Frederic Horseshoepin was the top of his class in music school.

Frederic Horseshoepin has been chosen to play a concert at Cantergie Hall.

So why has Frederic Horseshoepin never been good enough?

A diplomatic crisis arises between Equestria and the small, poor kingdom of Tarandroland, ancestral home of the reindeer. Celestia and Luna agree that it is time Luna takes a more active hand in foreign relations again, and Luna brings Twilight with her as someone she actually trusts and can talk to. But the mission turns out to be much more than political discussions - if scheming unicorn courtiers, unfriendly surly reindeer, bloodthirsty pirates, ancient sorcery and dangerous monsters weren't enough, our heroines must deal with something old - older than Luna. And is Luna really ready for diplomatic action, will Twilight learn to use a fan properly, and exactly how wrong are Spike's superhero comics about reindeer mythology?

Now has a TV tropes page

[Featured on EQD 21/4/2014] [Now on TVTropes]

When Luna gifts Twilight the town of Ponyville and its surrounding countryside as her demesne she's initially confused. Then, after double checking her dictionary, more than a little concerned.

All her friends are, legally, her possessions. The town that took her in is her plaything, if she so wishes. She has been given responsibility.

Can Twilight's vision for a modern renaissance outrun the harsh realities of the shadowy figures pulling strings behind the scenes, nobles jockeying for her attention, and an irritatingly metaphorical love triangle?

Special thanks to the insatiable Blue_Paladin42, the incorrigible Maskedferret, the intuitive Southpaw and the indestructible newbiedoodle for all their hard work, past, present and future.

The subjunctive is the verbal mood of abstractions and possibilities. To ponies and their indicative-based language, it is a frightful mood, awkward and unwieldy. To changelings and their language of nearly inaudible shrills, it is indispensable.

Equestria’s inhabitants are a diverse race, no two the same color, who speak a language of concretes. But to Errenax, a changeling linguist well-versed in both languages and fascinated by their dimorphism, everything about them intimates a singular notion: that this division of moods and language is perhaps deeper than it initially appeared.

Thank you to my editor, Golden Tassel.

I am a Princess. For two years, I was the only one in Equestria. And so, for two years, I guided the nation forward towards prosperity.

Okay, that isn't quite right. That makes it sound as if everything was smooth sailing. But it wasn't. Especially when the greatest enemy isn't somewhere out there - it's right here, in the Palace. Ponies know it as the Royal Court of Equestria.

Forget King Sombra and Queen Chrysalis. They are the opposition in exile. The Court is the opposition in residence. Nopony else knows how difficult it is to get anything done as a Princess. But I do. And soon, so will you.

My name is Twilight Sparkle. Princess Twilight Sparkle. And this is the story of my two-year long struggle to change Equestria. Whether I was successful or not... well, that's for you to find out.

Inspired heavily by and based on Yes Minister and its novelization, by Jonathan Lynn and Antony Jay. It is also worth noting that this story happens over the course of Season 4, the opening chapter occurring in the immediate aftermath of Castle Mane-ia.

Scansion has a problem. The poems that flow from his pen at night are the most beautiful he's ever written, but he doesn't remember writing them. Drawn ever-deeper into an exchange of letters with a voice that speaks only through his work, he must discover the truth: Is the lonely, recently-returned goddess of the night reaching out to him in the only way she can, or is he chasing shadows?

* Now with a dramatic reading by Neighrator Pony! *
* Chinese translation: 女神 (Thou Goddess) by 卷耳 (estiMaDashie)! *

Holy crap you guys. What have I unleashed? Here's a sample of the word-of-mouth blogstorm that drove it to the feature box out of nowhere:
"This is the best thing I've read in a long time." –Bad Horse (rated: sitewide Top 10)
"'Thou Goddess' is magical and transcendent all the way through." –Skywriter
"[P]oetic beauty. There is scarcely a height of acclaim I would not believe it deserves." –Causal Quill (rated: sitewide Top 10)
"[C]hock full of splendid poetry … a jaw-dropping piece of prose and one of the best fics I have ever had the privilege to read." –Present Perfect (rated: sitewide Top 15)
"I shall keep this brief, because I must finish weeping before lunch is over. This is gorgeous, and has utterly deserved every accolade it has received." –Blue_Paladin42 (rated: sitewide Top 5)

Winner of AugieDog's "Nocturnes" Luna story contest! | Featured on EqD!

Further reviews:
"This is a remarkable fic, beautifully written ... quite simply, dazzling." –Louder Yay (rated: ★★★★)

If the title sounds grammatically incorrect, please read this.

What are the chances your favorite pony was secretly a changeling all along?

Yeah, probably about one in one.

After the Changeling invasion, Celestia and Luna make the decision to have Twilight investigate the Elements of Harmony and solve the mystery of their power.

A thousand years later, Rainbow Dash awakens in a world she does not recognize. She has no idea how or why she came to be there. She does not know the language, the geography or any of the rules of this new time. She soon finds allies in Star Fall, a scholarly pegasus whose Talent is Magic, and Astrid, Star Fall's Griffin guardian. Together they set out to discover why Dash has been sent to the future, and how she might return to when she belongs.

War threatens the nations, a Nightmare stalks the shadows, and Rainbow Dash's arrival has turned her into a wild card in a deadly game that pits the law on both sides of a broken Equestria against a mysterious criminal figure, Max Cash. Yet the stakes are higher than anyone knows, for in her research Twilight Sparkle discovered a dark secret about the Elements, something that will shake the foundations of the world.

Cover image by SierraEx
Has a TvTropes page