Despite their supposed massive power, Alicorns have done a rather poor job of saving the day. Twilight discovers that there's an actual reason for that.

Featured on EqD 6/6/16!

One night in her castle, the Princess of Friendship makes a startling discovery about the nature of the universe.

She tries to explain her discovery to her friends, with mixed results.

But no matter. The pursuit of knowledge must continue.

Having helped Diamond Tiara learn both the true meaning of her cutie mark and the value of friendship, the Cutie Mark Crusaders had just resolved that being together and helping others was what really mattered before they were engulfed by a bright light.

Finding themselves in a strange void, both their lives and those of all Equestrians are about to change. Hopefully Celestia and the former Elements of Harmony can figure out how make sure this change is for the better, because there's a new alicorn on the block, and they have a bit of a reputation for causing havoc.

Twilight Sparkle, scholar and adventurer extraordinaire, has journeyed to the ends of the earth in search of the single most significant find in the history of academia. What she discovers is something else entirely...

Twilight Sparkle finds a book in the library.

Twilight Sparkle reads aforementioned book.

Twilight Sparkle's life is thrown upside down, her view of her teacher shattered, and her friends pitted against each other.

Everything will return to normal.

One of these statements is false.

Hello, Equestria. My name is Princess Luna, and my sister is an idiot. The object of her idiocy – her faithful student, Twilight Sparkle – appears to share her stupidity. Luckily, I am here to lend them a helping hoof.

I can't really blame them, though. They're just so adorable when they're completely clueless.

100% Approved by Twilight's Library!

Princess Twilight Sparkle pays one of her rare visits to Canterlot since having moved to Ponyville. Visits that had become even more scarce since her coronation, and her former mentor is all the more excited about every moment she can spend with the young alicorn. The guards and servants seem to share her enthusiasm, though for some reason they seem awfully nervous as well.

As always, the two spend some quality time together, reminiscing about fond memories from when Twilight was a mere child under Celestia's tutelage. But the promising filly had grown a lot since then, and both are tempted to see how their relationship had matured.

WARNING: SMUT INVOLVED! If you must know in advance, it's some cuddling and a bit of almost-but-not-quite-kinky tickling. Story is a gift for, and was inspired by a friend, who will remain anonymous.

For years, Twilight Sparkle and Queen Chrysalis have been at each other's throats. Both have experienced victory over the other, and both have experienced defeat. Out of all the creatures in Equestria, none despise each other the way the pony Princess and changeling Queen do. They seemed destined to remain locked in battle forever, or at least until one is finally dead at the hooves of the other. The cruel insults, the vicious loathing, and the powerful spells that have passed back and forth between them at each meeting have become the stuff of legend.

Imagine Twilight's surprise when she finds out changelings consider this dating.

And now they're married.

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Sequel: Pony Courtship Rituals

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Some beautiful fanart of the end of chapter three was done by Dmann892; you can see it here.

More awesome fanart, this time from chapter one.

Now with a TvTropes page (obligatory TvTropes warning goes here).

If you want a Russian translation, you can find it here.

There is now a reading of the story on Youtube, which starts here.

In the back room of a hole-in-the-wall shop in Canterlot, there rests the incomplete final work of a master craftsman. All that remains is the final piece; and the gift to his daughter will be done. Now she runs the shop, waiting for the day some special pony walks in and lays that piece at her hooves.

Lucky for her, today is that day.

"A simple Valentine's Day lesbian horse story." - BubbleBoom

Mis-communication has started many a war, but in this case maybe calling it a war was too generous.

The "war" is over, Twilight has successfully orchestrated a bloodless end to the Griffons' aggression, but only now does she realize that there is more to winning than she had first assumed, especially against a nation that holds war as a central part of their culture...

Now Twilight must deal with the aftermath while facing a challenge she never anticipated: being seen as a conqueror.

This can be read alone, but I recommend reading the letter that started it all for a chuckle and a little exposition. This series of expositional one-shots can also give some additional world-building.