Warhammer Crossovers
Filters
2.1K | Page 1 2 3 4 11 .. Last Next »

Stellaris: Riftjumper by AdriannairdA reviews
The Technocracy knew something was out there, watching the galaxy from a place no sapient can point to. It was not until two empires gained powers from a place known as "The Shroud" that further research indicated that this Shroud could connect universes. Little did we know that what we discovered on the other side would be worse than hell, but we will prevail for all of humanity.
Crossover - Warhammer & Stellaris - Rated: M - English - Sci-Fi/Adventure - Chapters: 4 - Words: 10,027 - Reviews: 8 - Favs: 13 - Follows: 22 - Updated: 6h - Published: 10/13 - Eldar, OC
The Prelude of War by Indigard reviews
A very different Mass Effect galaxy encounters a strange and relentless invader that is on constant hunger for Biomass but they never know it's just a glimpse of what coming for them. Featuring: alternative history for every species, a bigger and more populated galaxy, cunning Asari, militarized and germanized human empire.
Crossover - Warhammer & Mass Effect - Rated: T - English - Chapters: 10 - Words: 182,216 - Reviews: 40 - Favs: 95 - Follows: 104 - Updated: 9h - Published: 11/6/2021 - Imperial Guard, Tyranids, OC, Shepard
Starhammer 50k: The 1st Wave by Spuddies reviews
The sci-fi fantasy crossover to end all sci-fi fantasy crossovers. Star Wars? Got it! Warhammer? Yes we do! Halo? You bet! Dungeons and Dragons? Also on my list! Oh look, there’s also stuff from Mechwarrior, Transformers, Marvel Comics, Avatar, RWBY, and lots more! Time to combine all those universes into one!
Crossover - Warhammer & Star Wars - Rated: T - English - Sci-Fi/Fantasy - Chapters: 31 - Words: 60,061 - Reviews: 11 - Favs: 32 - Follows: 37 - Updated: 10/16 - Published: 7/18/2022
For Terra and Beyond by Magos-Cedues reviews
Humanity has reached the stars thanks to the Emperor of Mankind. He that is beloved by them all. But new challenges will arise for the Imperium of Man. For there are many darknesses amongst the stars. The galaxy will now see many of them. Fully for some civilizations. As war is eternal. Even in a past of light.
Crossover - Warhammer & High School DxD/ハイスクールD×D - Rated: M - English - Sci-Fi - Chapters: 4 - Words: 38,180 - Reviews: 6 - Favs: 43 - Follows: 48 - Updated: 10/16 - Published: 10/3 - Primarch/s, H. Issei
The Flesh is weak by Magos-Cedues reviews
The Flesh is weak. I have always known that. Logic metal and steel are strength. They are right in how you must embrace the strength and certainty of steel. I need that more than ever. Because I'm now in a world that is out of my league. I have new enemies that hate me and who I am. But I am stuck here. In a place that isn't hope like I wanted. Forever now till whatever end. Big AU
Crossover - Warhammer & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Sci-Fi - Chapters: 8 - Words: 82,324 - Reviews: 32 - Favs: 115 - Follows: 148 - Updated: 10/16 - Published: 10/5 - Adeptus Mechanicus, OC
Boku no Hero Academia: Custodian Izuku by Raja-Ulat reviews
This is a "What If" story that features the primarchs of 'Warhammer 40k' being reborn as girls with quirks in the world of 'Boku no Hero Academia'. Yes, really. Cross-posted at AO3.
Crossover - My Hero Academia/僕のヒーローアカデミア & Warhammer - Rated: M - English - Humor/Sci-Fi - Chapters: 18 - Words: 165,645 - Reviews: 105 - Favs: 443 - Follows: 491 - Updated: 10/16 - Published: 12/23/2022 - Izuku M., Primarch/s
Losing is Fun by Fabulous Wizard reviews
A typical self insert story where our hero gets to rule over his own civilization, complete with custom OC race. Everything should have been great. Only problem is that he's in the Warhammer 40k, bordering a major Ork empire, has a population of only 200,000, and his starting location is in North Korea.
Crossover - Warhammer & Halo - Rated: T - English - Chapters: 3 - Words: 15,692 - Reviews: 18 - Favs: 48 - Follows: 65 - Updated: 10/16 - Published: 3/28
The Son of the wolf by Lighting wolf knight
After the failed Hersey, the gods exile the broken Sons of Horus to another land... One where they may find redemption and a home. Rated T for violence, death, and profanity. Non chaotic/remorseful Horus.
Crossover - Warhammer & Halo - Rated: T - English - Chapters: 1 - Words: 814 - Favs: 4 - Follows: 6 - Published: 10/15
The Iron Cross by Lighting wolf knight reviews
Scattered, in a world where their emperor never existed... The Ultramarines have but one purpose... Protect humanity and act among them. Rated T for violence, death, and profanity. Read next chapter Author Notes for important news.
Crossover - Warhammer & Halo - Rated: T - English - Adventure/Romance - Chapters: 27 - Words: 94,786 - Reviews: 76 - Favs: 139 - Follows: 177 - Updated: 10/15 - Published: 7/15 - Space Marines, OC, Arbiter, Linda-058
Celestial Navigators by WrtingforFun reviews
During warp travel, a warship bearing a small section of an Astartes chapter named the Celestial Navigators have found themselves in an unknown section of space, with busted coms and disabled warp engines. The Astartes venture down to the planet below.
Crossover - Warhammer & Elder Scroll series - Rated: M - English - Sci-Fi/Fantasy - Chapters: 11 - Words: 41,862 - Reviews: 24 - Favs: 47 - Follows: 57 - Updated: 10/15 - Published: 9/18 - OC, Space Marines
A Human Touch by Ripple247 reviews
Tragedy hits Issei and is transported to a mysterious world. Without his boosted gear, he must face himself and the horror of this new world. Though he is not alone as Issei shall meet the Emperor's great creations, his daughters. Suited with a power to rival creations itself. Issei hero of the Imperium and the broken. LONG LIVE ISSEI HERO OF MANKIND. Scp-themes
Crossover - Warhammer & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Mystery - Chapters: 34 - Words: 271,594 - Reviews: 231 - Favs: 392 - Follows: 442 - Updated: 10/13 - Published: 9/19/2022 - [Primarch/s, H. Issei]
Making sense of this universe Imperium of what? by NekaOwO reviews
Momonga now an Necron overlord wake from the long slumber discovering the universe of the 41 millennium
Crossover - Overlord/オーバーロード & Warhammer - Rated: K - English - Humor/Adventure - Chapters: 11 - Words: 17,363 - Reviews: 21 - Favs: 57 - Follows: 70 - Updated: 10/13 - Published: 6/1 - Necrons, Ainz, Albedo, Aura
Long ago in a galaxy far away, the flesh is still weak by TheGreenKraken reviews
Artisan Beta-3665a Longinous had been having a run of good luck. Chosen to go on a special Explorator mission lead by his mentor? Check. Chosen to captain one of the ships in the fleet? Check, even if it was a glorified shuttle. Posting my work for the first time here and on Royal Road under the same user. If this appeals to you let me know your thoughts.
Crossover - Star Wars & Warhammer - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 7,724 - Reviews: 3 - Favs: 16 - Follows: 27 - Updated: 10/12 - Published: 10/4
Saint Summer the Huntress by Korykr reviews
To most death is the end. To some death is a doorway. To Summer death is a beginning. Separated from her home and family, she must carve her way across a galaxy in flames in order to return to them. Nothing would get in her way. Not aliens, monsters, daemons, or evil gods. She would return to Remnant and leave her mark on the galaxy.
Crossover - Warhammer & RWBY - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 9 - Words: 173,133 - Reviews: 155 - Favs: 343 - Follows: 448 - Updated: 10/11 - Published: 1/4 - Summer R.
RWBY 40k - Salem, mistress of Inquisition by GundamNinshu reviews
Salem is banished from her planet by the Twins. Stranded on the broken world of Terra. The despair shall fall on her.
Crossover - Warhammer & RWBY - Rated: M - English - Sci-Fi/Angst - Chapters: 45 - Words: 136,435 - Reviews: 134 - Favs: 158 - Follows: 177 - Updated: 10/11 - Published: 3/25
Legion of Shadows, Book 3: Let the galaxy burn by Angel.of.Dawn reviews
With the betrayal of Horus revealed, The Emperor of mankind must ensure the legacy he has made for humanity must be safeguarded against chaos. Yet the fires of War draw ever closer, bringing betrayals and tragedy towards the fledgling Imperium. Naruto must embark upon his own quest to save those he calls family withing these dark times but will he succeed and at what cost?
Crossover - Warhammer & Naruto - Rated: M - English - Sci-Fi/Tragedy - Chapters: 6 - Words: 56,775 - Reviews: 73 - Favs: 68 - Follows: 86 - Updated: 10/11 - Published: 4/19 - The Emperor, Naruto U., Sasuke U., Hinata H.
A Ruinous Gift by Noodlehammer reviews
Taylor Hebert had a great destiny, upon which much rested. She was also a latent psyker, too weak to ever awaken her potential. In the most critical moment of her life, these two things, combined with a plea for help made with dying faith, drew unsavory attention. A gift was given, a gift that was also a curse.
Crossover - Warhammer & Worm - Rated: M - English - Crime - Chapters: 4 - Words: 45,004 - Reviews: 370 - Favs: 1,720 - Follows: 2,124 - Updated: 10/10 - Published: 9/20
Kemmler's successor by Soulsavore reviews
The Lichemaster mysteriously dies in a very inconvenient set of circumstances. To salvage the Barrow Legion, one of his acolytes summons a replacement. Fortunately, she succeeded in this endeavor. Unfortunately, he is not exactly what she was expecting, especially considering he was from another world.
Crossover - Warhammer & Total War series - Rated: M - English - Adventure/Humor - Chapters: 27 - Words: 205,854 - Reviews: 116 - Favs: 168 - Follows: 191 - Updated: 10/10 - Published: 7/31/2021
Omni-Directional Warhammer by oliverjack666 reviews
A poor sap gets thrown into Warhammer 40k with the Omnitrix. In the Grim Dark of Warhammer, It's time for somebody to for a Hero to Rise.
Crossover - Warhammer & Ben 10 - Rated: M - English - Sci-Fi - Chapters: 2 - Words: 4,706 - Reviews: 4 - Favs: 18 - Follows: 17 - Updated: 10/10 - Published: 7/20
The Wayward Souls by Uncle WAAAGH reviews
An Asuryani Corsair finds himself in the grungy times of the 21st century. Determined to bring his sister's soul stone home, he will do whatever it takes to get them home. No matter how many gangsters, mercs, or corpos he's going to have to take down at the same time. Set before V's heist on Arasaka Tower.
Crossover - Warhammer & Cyberpunk 2077 - Rated: M - English - Sci-Fi/Adventure - Chapters: 10 - Words: 88,497 - Reviews: 20 - Favs: 82 - Follows: 107 - Updated: 10/10 - Published: 4/29 - Eldar, V
The Text-To-Speech Crusade by The Multiversal Writer reviews
This is a parody sequel to the incomplete series, If the Emperor Had a Text-to-Speech Device by Bruva Alfabusa on YouTube. Hope you enjoy.
Crossover - X-overs & Warhammer - Rated: T - English - Sci-Fi/Humor - Chapters: 15 - Words: 42,266 - Reviews: 21 - Favs: 56 - Follows: 53 - Updated: 10/9 - Published: 6/6/2021 - The Emperor, OC
Cult of the Machine God by Jamius reviews
An idea from one universe enters another, it takes shape into a new god, the Machine God. The Olympians are in for a hell of a time. Glory to the Omnissiah in all his splendor, may we be blessed.
Crossover - Warhammer & Greek Mythology - Rated: T - English - Spiritual/Adventure - Chapters: 36 - Words: 135,064 - Reviews: 343 - Favs: 1,012 - Follows: 1,230 - Updated: 10/9 - Published: 7/28/2020 - OC, Adeptus Mechanicus, Athena, Hephaestus
Blood and Energon by TechSamurai reviews
In the 41st millennium there is only war, and hope.
Crossover - Transformers/Beast Wars & Warhammer - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 7,038 - Reviews: 13 - Favs: 19 - Follows: 27 - Updated: 10/9 - Published: 8/28
Victory or Death by Knife Hand reviews
Four Hundred Thousand players log into the much anticipated Warhammer 40K Apocalypse Online, only to find themselves trapped inside with no way out. 40K SAO crossover. Chapter 53 up.
Crossover - Warhammer & Sword Art Online/ソードアート・オンライン - Rated: M - English - Chapters: 53 - Words: 93,582 - Reviews: 220 - Favs: 534 - Follows: 563 - Updated: 10/9 - Published: 4/19/2014
An ISOT in Grimdark by mko95 reviews
In the year 2012 AD a magical accident on the Warhammer World changes the endless fighting forever. The Wasteland is ripped away through Spacetime and changes place with Earth s Germany. On both worlds, Earth and Warhammer, nothing will ever be the same.
Crossover - X-overs & Warhammer - Rated: M - English - Fantasy/Supernatural - Chapters: 299 - Words: 1,596,086 - Reviews: 1461 - Favs: 684 - Follows: 705 - Updated: 10/8 - Published: 12/22/2014
2.1K | Page 1 2 3 4 11 .. Last Next »