361 Fate Grand Order: Slayer Chronicles » by Seanathan311 A young master in peril summons a servant in her time of need, but he was not a hero of her world. Ritsuka summons The Doomslayer under the class of Berserker and must work along with her friends to save her world from destruction. All the meanwhile learning about this mysterious demon slayer from another world.
Doom & Fate/stay night, M, English, Adventure & Fantasy, chapters: 22, words: 150k+, favs: 1k+, follows: 1k+, updated: 5/18 published: 5/31/2020
4k+RWBY: The Worlds of Arc » by The Timeless Writer Team RWBY and the other three members of Team JNPR, get transported to another realm of reality to see versions of their blonde friend Jaune, they see worlds as him as a Hero, Villain, Anti Hero, Merc for Hire, King, Saiyan and many others. How will they react to the worlds they see?
RWBY, T, English, Friendship & Humor, chapters: 58, words: 427k+, favs: 3k+, follows: 3k+, updated: 5/12 published: 9/30/2018, Jaune A., Team RWBY, Team JNPR, Team CFVY
140Drunken Marriage of Triple Red-Hot-Grimm » by Shadow Joestar Jaune and Pyrrha were out enjoying themselves with their friends one night at a club, until they wake together in bed with two other women and one of them is like a sexy human Grimm, they also found themselves to be married together of the three wives with one husband. Jaune's life has been turned upside-down and worry of what will happen next. Lemon. Dark. Foursome-Marriage.
RWBY, M, English, Romance & Fantasy, chapters: 14, words: 40k+, favs: 936, follows: 1k+, updated: 5/9 published: 4/14/2018, [Jaune A., Pyrrha N., Cinder F., Salem]
1k+ Universal DOOM » by ImpulsiveWeaver After being cast away by Samuel Hayden, the Doom Slayer winds up on an adventure through multiple universes and meeting those who have their own issues with the denizens of Hell. Crossover between Doom (2016) and any horror/supernatural movies/books/stories that I include. Feel free to request any movie, book, or franchise you want to see. Cover art by JakeBurner on DeviantArt!
Doom & X-overs, M, English, Horror & Supernatural, chapters: 36, words: 208k+, favs: 1k+, follows: 1k+, updated: 4/30 published: 9/20/2018
73 Nier Automata: Take Me Home » by Spartan036 AU: After picking up strange transmissions from a lost planet that was the birthplace of mankind, the Militia sends an expedition fleet to earth in an attempt to reclaim it. What they don't know is that its occupied...Enter pilot Yoko Kaine who meets the occupants as they undergo an adventure that will determine the fate of the Militia and Yorha. Cover art by digiandromeda.
Nier & Titanfall, T, English, Adventure & Drama, chapters: 29, words: 112k+, favs: 201, follows: 211, updated: 4/25 published: 5/30/2017, [OC, A2] [2B, 9S]
22 Nier Metallum » by trvn In an unknown world, surrounded by all manner of individuals. With no memory of how he has arrived and no knowledge of the current world. Raiden must make new allies if he is to stand a chance against the unkown threats that he will soon face.
Metal Gear & Nier, T, English, Adventure & Sci-Fi, chapters: 3, words: 17k+, favs: 109, follows: 150, updated: 4/23 published: 3/27/2021, Raiden, 2B, 9S
15 The Lost Hunter » by Shavock Lirlia, a Monster Hunter, was suddenly transported o the Star Wars universe. Not knowing what to do, she helps the Jedi on their war hoping that she may find some answers and a way to return home. The SIth will try to get her and her equipment. And dark strom is coming, threatening all life that it touches. Will Lirlia be able to get the answers she seeks?
Monster Hunter & Star Wars: The Clone Wars, T, English, Mystery & Adventure, chapters: 14, words: 55k+, favs: 46, follows: 55, updated: 4/10 published: 8/20/2018, OC, Clones
7k+Arcs of the Multiverse » by King-Mac-11 Inspired by JC-of-the-Corn's Endless Possibilities, similar stories spawned by the idea, and my need for an outlet for weird stories during writer's blocks. Go read the others. They're a fun read if you enjoy this. Point is, RWBY characters are placed in a location to watch and react to multiverse versions of Jaune Arc. First M rating based on possible versions in the future.
RWBY, M, English, chapters: 165, words: 662k+, favs: 4k+, follows: 4k+, updated: 4/9 published: 6/22/2018, Jaune A., Team RWBY, Team JNPR
557 Return of Faith » by DeadRich18 Long ago, Angels came to Remnant and brought with them enlightenment. They spread faith and hope across the world before returning to the stars. The people prospered under the faith, then came the Heretic King. Now the faith is outlawed, its members hunted as criminals, but hope remains. In hidden places, the faithful gather and pray to their God, awaiting the return of His Angels.
Warhammer & RWBY, M, English, Drama, chapters: 16, words: 131k+, favs: 948, follows: 1k+, updated: 3/15 published: 9/22/2018, Inquisition, Space Marines, Ruby R.
2k+ Remnant Inferis: DOOM » by GamerJay Remnant never knew what true horror was until demons more terrifying than the Grimm arrived, seeking to conquer a world they think belongs to them. Nor the limits a warrior stripped of his humanity would push himself, and others, to exterminate the Slaves of Doom and their mortal allies. His path of perpetual torment continues and this time he will no longer be walking it alone...
Doom & RWBY, M, English, Sci-Fi & Adventure, chapters: 38, words: 370k+, favs: 3k+, follows: 3k+, updated: 3/7 published: 2/9/2017, Doomguy, Ozpin, Team RWBY, Team JNPR
77 Waking Nightmares: Remix Heart » by KnightMysterio A reboot of Waking Nightmares. Celestia has been suffering from nightmares, and her sister Luna cannot seem to stop them. On top of things, the dreaded Queen Chrysalis and is finally standing trial, several world leaders attending to help decide her fate. On top of everything else, nine ponies and a dragon from another world have arrived, apparently sent there by a mad wizard...
My Little Pony & Team Fortress 2, M, English, Adventure & Horror, chapters: 8, words: 39k+, favs: 150, follows: 165, updated: 2/23 published: 7/29/2017, Twilight Sparkle, Miss Pauling
2k+Grimm Heir » by DeadRich18 It has lived since the beginning. Since before the Dust settled on the world, bringing forth man. It has brought forth countless monsters to combat man and his creations in an attempt to annihilate him completely. But as the years pass, man becomes stronger and wiser, he becomes able to fend off its monsters. And now the creator comes to a realization. It needs an heir.
RWBY, M, English, Fantasy & Supernatural, chapters: 47, words: 337k+, favs: 2k+, follows: 2k+, updated: 1/24 published: 1/23/2015, Ruby R., OC
378RWBY: Grimm Reaper » by jeit93 How do you live with a great burden on your back? How do you get to know people, friends and a special someone with the certain death chasing you? My name is Kaiden and this is my story.
RWBY, M, English, Adventure & Fantasy, chapters: 105, words: 556k+, favs: 576, follows: 633, updated: 1/13 published: 8/31/2016, [OC, Ruby R.] Team RWBY, Team JNPR
132 Attack on Fortress » by The Alamore After an accident with Engineer's new Australium powered teleporter, the entire RED team is teleported to a land where monsters known as titans rule the world and the human population is sent behind walls. What will the RED team do? Do they try to save the people of this twisted Earth or look for a way back home? Answers lay within the tale of Attack on Fortress!
Team Fortress 2 & Attack on Titan/進撃の巨人, M, English, Adventure & Friendship, chapters: 5, words: 78k+, favs: 228, follows: 296, updated: 1/2 published: 6/30/2015, Scout, Spy, Eren Y., Mikasa A.
115 The Second Great War » by JSmith25 In the six years that the Autobots have been on Earth, humanity has enjoyed the most prosperous era in its history. With the Autobots, they had nothing to fear. With the Autobots, they were untouched, untroubled by anything the Universe could throw at them. But then came San Francisco. Then came the greatest threat they had ever faced. Then came the Kaiju.
Transformers & Pacific Rim, T, English, Sci-Fi, chapters: 17, words: 97k+, favs: 240, follows: 262, updated: 12/28/2021 published: 3/24/2014
498 Vader: The Goblins Bane » by DWAR What happens when Darth Vader is transported to the Goblin Slayer Universe? Read and find out. Rating may be raised at a later point due to content.
Star Wars & Goblin Slayer/ゴブリンスレイヤー, T, English, Drama & Adventure, chapters: 17, words: 43k+, favs: 1k+, follows: 1k+, updated: 12/24/2021 published: 2/17/2019
101 My Fortress Academia » by Doctor Wheel A freak accident with a malfunctioning Teleporter sends our favorite Russian and Texan into the world of Quirks. Knowing they are severely outmatched in this superpower filled world, they try to keep a low profile as they try to find a way back to Teufort. However, trouble seems to find the mercenaries wherever they go, no matter how careful they are.
Team Fortress 2 & My Hero Academia/僕のヒーローアカデミア, T, English, Adventure & Humor, chapters: 5, words: 13k+, favs: 235, follows: 312, updated: 12/21/2021 published: 2/15/2021, Engineer, Heavy
64 Doom Taker » by SheosMan117 What happens when Doom Slayer is the one to rescue the girls from Hell? Warning, this has spoilers for pretty much all of Eternal. This fic also exists on AO3 as well.
Doom & Helltaker, M, English, Adventure & Romance, chapters: 40, words: 109k+, favs: 403, follows: 405, updated: 12/15/2021 published: 7/20/2020, Doomguy, Modeus, Justice, Lucifer
138 Survive » by AlcatrazDGold A Militia Pilot and their Titan are forced to survive a post invaded earth they do not recognize. They must overcome the constant threat of the machines and avoid being hunted by YoRHa agents as they attempt to uncover not only the truth about what happened to humanity in the years they lost but about the Androids, the Machines, and the origin of the apocalypse humanity now faces.
Nier & Titanfall, M, English, Sci-Fi & Mystery, chapters: 6, words: 52k+, favs: 642, follows: 900, updated: 11/21/2021 published: 1/30/2019, OC, 2B, 9S, A2
2 Diagnosis: Hormones by GameQ Mann Co and Overwatch has teamed up together to face Gray Mann and his robots. However, during the mission the mercenaries and heroes were ambushed by the robots forcing them to retreat. During the retreat the healers, Medic and Mercy were separated from their comrades. How will they fair against the robots by themselves?
Team Fortress 2 & Overwatch, T, English, Romance & Adventure, words: 6k+, favs: 5, follows: 4, 11/19/2021, Medic, Angela Z./Mercy