Sunset Shimmer has always known that magic was real. After discovering the portal hidden outside Canterlot High, she leaves her life behind to go inside and prove it. Equestria will never be the same.
A century has passed since Princess Twilight ascended to the Solar Throne and the reign has been a mostly peaceful if albeit lonely one. However, ancient creatures from time forgotten have watched, waited, and prepared for their chance to return.
Sunset Shimmer's life has taken a big turn since Sunny Skies came to stay. But things are hardly calm, as new mysteries and dangers are rising from both sides of the mirror.
After the craziness of the Battle of the Bands and the general stress of the holidays, Sunset is looking forward to the peace and quiet of Equestria, where ponies never have to worry about wacky hijinks or impending magical catastrophes...right?
Principal Celestia never thought she could move on after her only childs death. Especially when a new student pops up with her little girls name and face. Could Celestia's biggest mistake be another's salvation?
Wanting to put old wounds behind them, Sunset and Flash agree to start over as friends. But this rekindling of friendship may have accidently ignited other feelings as well.
When Sunset sees herself as an alicorn in a magical mirror, she goes looking for answers, eventually going through the mirror into another world. Some things are better left alone though, as she finds herself trapped in the other world as a child.
When Sunset awakes after a spell meant for the guards escorting her out exploded in her face, she finds herself in an Equestria that wasn't the same Equestria she knew.
The day of ascension has come. After 300 years, a new phoenix shall hatch, and with that, one child with great potential shall be chosen to be reborn in its flames. But, when a young orphan is chosen, it throws everything into chaos.
Sunset Shimmer has a plan... steal some powerful Equestrian artifact, come back to the Human World, raise an army, and conquer Equestria. But now, her home is nothing like she remembers.
A part of Sunset wanted to die the night of the Fall Formal. In a way she succeeded. There's a reason everyone says Sunset is like a completely different person afterwards.
Ever since their trip to camp Everfree, Sunset Shimmer and Flash Sentry has rekindled their friendship. All seems well and good but when the two begin to realize something about themselves.
Sunset decides to come back to Equestria, but is not prepared for the new changes she appears to have gone through. As she realizes she is an alicorn now in this world, Twilight insists she stays so all questions can eventually be answered.
Now that Sunset Shimmer is able to be a pony whenever she wants she is excited to start her new life with her friends by her side. Now though she has to deal with how others will react and learn just how poorly she has thought this life choice out
After the events of the fall formal Sunset is alone and most of the school against her. Will she accept her new friendships are real and will she realize that there is someone who wants to make her family?
After her defeat, Sunset's new friends help her to find a place in this world, and teach her that she has to forgive heeself in order to be able to move on.
Alternate ending to "Forgotten Friendship". The Memory Stone has been destroyed and everyone's memories have been restored. Except for Sunset Shimmer's.
At the moment before she leaves Equestria forever, Sunset Shimmer's destiny is taken away from her. A new path unmarked by pony hooves is placed before her.
Summer vacation has arrived in the human world and Sunset Shimmer takes a trip back to Equestria. However she comes back to something more than she bargained for.
Sunset Shimmer after much thought returns to Equestria to redeem herself from her past. With the help of Twilight, can Sunset be forgiven for what she did?
Sunset Shimmer, practitioner of friendship, twice savior of Canterlot High, alicorn. She's offered to help Twilight's new student as the whole group travels to the Crystal Empire for a Crystalling. Should be a relaxing, stress free trip. Right?
What's the use? No one wants to accept her as a new person. She tried the best she could to show the others that she's changed, but nothing's working. She can't blame them: who would believe her anyway? That is, anyone other than herself?
Sunset Shimmer goes to sleep one night just casually wishing that she wanted to be a pony again, but the next morning she finds that her casual wish has come true. Now she has to wonder if she can turn back and more importantly does she want too?
It's hard being an orphan growing up, even as the ward of the sun princess... but what happens when family finds you right around the time of your fall from grace?
Sunset Shimmer has made mistakes in her past that she's trying to move on and learn from. What happens when she meets an iron-willed Guardian with a similar past?
Sunset Shimmer returns to Equestria only to find Twilight Sparkle battling a strange pony named Starlight Glimmer. Unbeknownst to Sunset, Starlight has altered the past, forcing Sunset to deal with reigniting her friendships all over again.
Every pony has a destiny—a reason for being. Sunset Shimmer has no cutie mark, and struggles just to feel like she belongs in this reality. But the price to find her purpose might be one too high to pay.
The elements of Harmony are able to turn magical beings of unequal power to stone, exile opponents to the moon! Using one against a possessed teenager may have been overkill?
Wallflower overlooked something...or someone...when she started erasing the memories of Sunset Shimmer. He was able to help Sunset when no one else was able to help.
After one night Sunset's memory is erased completely. Her friends need to try and do whatever they can to help her... but will they have time before it is too late? And the memory stone was broken too right? (Story set after the Forgotten Friendship)
Since Twilight left after the battle of the bands, Sunset has been constantly writing to her in her journal, but suddenly something happens, something that causes Sunset Shimmer great suffering: her new friend stops answering her, but why?
Life has settled down after the Games. But when Sunset gets in major trouble, someone very unexpected comes to her aid. What follows will change her life in ways she didn't think possible.
After the Fall Formal, Principal Celestia discovered that Sunset has been living in the school clock tower. Now Sunset needs to find someone willing to take in a teenager whose issues have magic powers, and beggars can't be choosers.
Alone and afraid, Sunset Shimmer has been living off of the streets in Canterlot ever since she ran away from home. On a particularly cold night, she's out searching for something to eat when she bumps into the last pony she expects to see.
[Cancelled] During the Changeling invasion, Chrysalis discovers an ancient mirror-prison and decides to test it on Twilight and Cadance. An AU Canterlot Wedding focused on Twilight, Cadance, Sunset, and their efforts to get back to Equestria.