There's a man who works at my job in the basement.

He says his name is Derek. Not many people like Derek. People say he's weird and tends to lie. Derek says he was tricked and isn't supposed to be here at all.

He also says he used to be the Chaos King back home.

And here I just wish he'd stop screwing around with the coffee in the breakroom.

Oriole has a problem. She can't stop eating stallions.

Rarity has a problem. Her new friend can't stop eating stallions.

Twilight Sparkle has a problem. A stallion-eating monster has moved into her town.

Spike's just glad he's not a stallion.

Chrysalis is beaten. Her invasion of Canterlot has failed. Her hive has been scattered to the winds. And with Equestria on guard, love is in short supply. She has failed her people, and now the future looks bleak and grim.

But there’s a change in the air. Chrysalis can feel it in her bones and in her dreams. Something is calling to her, drawing her and the remnants of her hive north. To the place the changelings once called home.

Placed sixth in the August 2015 Write-Off Event: Distant Shores.

This story is a sequel to How Not To Use Your Royal Prerogative

  In an Equestria where the Sonic Rainboom never happened, Sunset Shimmer is the prized pupil of the Princess of the Sun. As Sunset struggles to make up for her past misdeeds and come to terms with the pony she wants to be, Celestia sends her to find the classic work The Application of Unified Harmony Magic from the Royal Canterlot Archives.
  Right after lunch, some meddling by her friends and meeting somepony with firsthoof experience of the Sunset she used to be.

Featured on Equestria Daily on August 18, 2016!
Appeared in the FimFiction Featured Box!

Cast: Sunset Shimmer, Moon Dancer, Minuette, Twilight Sparkle & Princess Celestia

Stories set in the Wavelengths Timeline in chronological order:

Origins Arc
The Alchemy of Chemistry
Bards of the Badlands
Grading on a Bell Curve
Habits of the Equestrian Phoenix
How Not To Use Your Royal Prerogative

Applications Arc
The Application of Unified Harmony Magics
Princess Celestia: A Brief History
The Cloudsdale Report

Dreamers Arc
Tactics of Snowbound Unicorns
A Study in Chaos Theory
Teahouses of Saddle Arabia
As the Raven Flies

Cover Credits
Cover Design by Amber Spark
Sunset Shimmer Vector by TigerBeetle
Pony SciTwi Vector by Osipush
Canterlot Bookshelves Vector by FavoriteArtMan
Sunset Shimmer Cutie Mark by MillennialDan

Beta Reader Credits
Ebon Quill - Worldbuilding Writer on The Manehattan Project
Quantum State - Technical Director of The Manehattan Project
The Albinocorn - Master of Sunset Shimmer Stories

Strongly Recommended Stories:
The Brightest and the Best by Pineta - The events in this story are considered to be completely canon to this timeline and explain Twilight's entrance exam to Celestia's School for Gifted Unicorns. I cannot recommend this story enough.
MLP Annual 2013 - "The Fall of Sunset Shimmer" - As above, the 8-page short comic in the beginning of the Annual is also considered to be canon, though with some major variations.

Version 3.0 Edit: Extensive grammatical and mechanics changes. Adjustment to timeline of Sunset's second mirror experience.

Trixie steals the deed to the Golden Oaks Library. She quickly finds out this doesn't mean what she thinks it means.

Inspired by this blog post by MythrilMoth.

Trixie vector create by Silentmatten

As a favor to Twilight, Pinkie Pie goes to the Crystal Empire to help Princess Cadance plan her baby shower. Everything goes well... at least until one pony falls into a coma and another pony gets zapped back in time where she becomes a child's plaything.

It's a long story...

-Written as a gift for Super Trampoline in Obselescence's Jinglemas Compilation.
-Cover Art graciously drawn by Zaponator.

Every day Celestia shares light and love with all the ponies of Equestria. In turn, they share their love with her. Still, the princess senses there is something missing. Something her heart longs for.

Something her responsibilities have denied her for all these years.

As luck would have it, she’s given a gift that will let her experience her deepest hearts desires and take her to a place she may never want to leave.

Ever.

Inspired by the Alan Moore story, For the Man Who Has Everything.

Celestia and Luna have lived long and suffered greatly. Luna, still insecure in her newfound grace, is anxious to secure herself against any further suffering. She sees in Twilight Sparkle (and in many others) the roots of ten thousand tragedies. Celestia proposes a wager.

A very loose retelling of the Book of Job.

Worthless, weak, ugly—as far as Twilight is concerned, that's all she'll ever be. Even three months into their relationship, Twilight still refuses to believe that an absolute goddess like Sunset could ever love a loser like her. And it doesn't help that Twilight spends every night being tormented by nightmares of Midnight Sparkle, the one being who hates Twilight more than she hates herself.

Twilight can only remember a single moment in her life when she felt strong: the five minutes that she spent as Midnight Sparkle. The five minutes she spent with magic.

Now, tortured by fear, anxiety, and never-ending nightmares, Twilight knows the only way to win Sunset's love is to make herself stronger—even if that means resurrecting the demon inside of her.

Originally written for the January 2016 Writeoff, "Look, I Can Explain...", where it made finals.

Thanks to Horizon, Bookplayer, and FanOfMostEverything for offering advice on the original. Thanks to Quill Scratch, Oroboro, Monokeras, Lise Eclaire, Monarch Dodora, Majin Syeekoh, PegasusMesa, Reneigh Haycart, and Hazeyhooves for helping me brainstorm certain parts. Preread by Pascoite.

Art by Ta-Na!

Now that Discord's reformed and friends with a princess and her entourage, he's decided it's time to assimilate himself into pony culture. With Nightmare Night coming up, Discord decides to get into the spirit of things by opening a costume shop in Ponyville. His amazing costumes soon become the talk of the town, and Nightmare Night fever is stronger than ever...

...but is Discord about to play the ultimate Nightmare Night prank on an unsuspecting Ponyville?