Eons ago, in the trades of Nekravol, the great Khan Maykr sold away large stocks of worlds and planets that were once under their jurisdiction to the Dark Lord of Hell. Amongst these worlds being the peaceful land of Equestria.
Against all the magic that Equestria can conjure... All the wickedness that mankind can produce...We will send unto them... only you...Rip and Tear...until it is done.
Equestria is at peace, watched over once more by its ancient guardian the Doom Slayer. But when an evil from his past returns to threaten all he protects, he for once cannot stand alone. And so after 1200 years of slumber the Legion will rise. . .
It's said that Demons are creatures of the dark, which come to kill and destroy everyone and everything, but what if they aren't doing that because they want to, but because they are being controlled?
The Doom Slayer is about to kill Olivia Pierce on top of the Argent Tower where she ruptures the Argent Accumulator and rips open a portal into Hell as well as Equestria, locking the Slayer in the latter...
A story based from a doom mod called Brutal Doom, when doomguy thought he finally able to get back home he end up at equestria girl dimension instead, even worst the cyberdemon been ressurected by king sombra and its up to him to save this dimension
Doomguy wins again, after kicking the legions of hell back and forth across the galaxy, Doomguy decides it's time to head home and relax. That's not going to happen....
Doomguy, Duke Nukem, BJ Blazkowicz, the guy from Marathon, Chexguy, the mage from Heretic, the cleric from Hexen, and Quakeguy all stumble into Equestria. Hijinks ensue.
Whoo boy, Scootaloo sure gets in trouble when she and her friends are caught playing Doom. Turns out, though, that Rarity becomes addicted to the game herself!
In search for a replacement for his pet Daisy (his rabbit). Doomguy finds himself in Equestria right after Twilight enchanted Smarty Pants with the Want it Need it spell.