There are three distinct moments of time. One is the present, a constant menagerie of ever-changing conditions, where all life live and act. Another is the future, full of uncertainty and possibility; in which speculation and imagination exists . Finally, there is the past, set, unchanging; from where remembrance and recollection occurs. To simplify: one can only hope for the future, live in the present, and recall the past.
But what if one could do the impossible? Something so unbelievable that it shouldn't even be feasible.......

To grab history by the reigns.

Equestria has fallen to a plague, a plague of rampant death where the ones who die refuse to stay down. The corpses instead seeking out the warmth of the living with their only desire being to end it.

Twilight Sparkle is the final survivor of Ponyville's total infection. When her resources run low she manages to escape town, but not before falling ill to the sickness as well. As her vision begins to fade, her legs to weak to keep her standing, the mare sees a shooting star streak across the sky. With little hope in her body the mare makes a wish, a wish for someone to end this plague.

They called him The Writer. He comes from a system known as Dien. He is the ruler and protector of this world and has loved his people and served as their king for hundreds of years. But in the blink of an eye it is all wiped out. An old foe wields a weapon of ultimate destruction and burns all of Dien in mere moments. Not even the Writer can stop him. In a desperate, last ditch effort, the Writers friends create a portal through space and hurl him through it against his will praying that he will find a safe place to hide and that his survival will bring back the power of Dien. Lost, broken, and filled with a sadness and rage unlike anything, the fallen king crashes on a world called Equestria. The denizens try their best to heal the broken man but there is more to this king than meets the eye. With the help of the Elements of Harmony and many others, The Writer sets out to find a way to curb his wrath and bring his home back from Destruction.

That's right, the Joker, otherwise known as the Clown Prince of Crime, the Harlequin of Hate, and the White Duke of Death, is now in Equestria. Will this unpredictable, murderous psychopath learn the true magic of friendship and abandon his old malicious ways? Or will his arrival kick off an unstoppable crime spree to shape Equestria into his own image? Like I said, the Joker is unpredictable.

Special thanks to my awesome prereaders X19, LDSocrates and The Alpha, who are the best of the best! Read their stuff or just thank them for reading my unedited monstrosity before I release it to you guys!

Now on TV Tropes because of the greatness that is Shadow Sora94. Give him some thanks!

Subject Delta, an Alpha Series Big Daddy, has been through a lot in his life. But this is his last stand, he and his Daughter Eleanor are going to escape from Rapture. The Pairbonding destroyed, his body tired from all the fighting ... Subject Delta won't live to see the world beyond Rapture. The ending coming near, he finds himself escaping Rapture ... to only awake in a stranger place. Will Equestria be able to handle Subject Delta?

--Crossover with BioShock 2--

Author's Note: First, criticism is highly appreciated. Second, this isn't my first fanfic rodeo, but it's the first time in English. Errors will ensue, so feel free to correct me! Third, I hope you enjoy the story!

Copyright: My Little Pony: Friendship is Magic (Hasbro), BioShock 2 (2K Games), Cover Image (The BioShock Wiki).

Tags: Crossover, Alternate Universe, Human, Dark. --Will be updated--

Characters: Subject Delta, Eleanor Lamb, Sofia Lamb, The Family, Twilight Sparkle, Spike, Rarity, Applejack, Rainbow Dash, Fluttershy, Pinkie Pie, Princess Celestia, Princess Luna, Augustus Sinclair, Yi Suchong, Andrew Ryan, Shadow Stalker. --Will be updated--