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

Spartan and Astartes by Dragon Scripture reviews
War never changes be it in the 26th century or the 40th millennium
Crossover - Halo & Warhammer - Rated: T - English - Romance/Adventure - Chapters: 2 - Words: 2,515 - Reviews: 6 - Favs: 19 - Follows: 31 - Updated: 1h - Published: 7/24 - SPARTAN-B312/Noble Six, Space Marines
Cancer by Jonas Grant reviews
"You know why selfishness is a stupid concept? For the same reason cancer cells are always doomed; they consume everything, feed off their host and take all there is to take for themselves, then, the host dies and the cancer with it. No matter how large and deeply implanted it is, the selfish will die with the rest of the world. That's why you should get to work now."
Crossover - Warhammer & Prototype - Rated: T - English - Horror/Sci-Fi - Chapters: 14 - Words: 22,030 - Reviews: 180 - Favs: 303 - Follows: 386 - Updated: 3h - Published: 6/26/2012 - Dana M./Athena
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: 14 - Words: 39,511 - Reviews: 19 - Favs: 49 - Follows: 46 - Updated: 6h - Published: 6/6/2021 - The Emperor, OC
Mortal Desperations by Solthrin reviews
Arcturus Magnus, Sagittarum of the Legio Custodes, has fought for years within the webway and the Impossible City. Upon taking a near-fatal wound, the Emperor Himself removes Arcturus from the front, sending him instead to bring forth reinforcements from the Mechanicum. When something goes wrong during the return, where does this Custodian find himself?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 30,413 - Reviews: 65 - Favs: 329 - Follows: 484 - Updated: 8/12 - Published: 1/17 - Adeptus Mechanicus, Tali'Zorah, Shepard
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: 31 - Words: 249,459 - Reviews: 194 - Favs: 340 - Follows: 384 - Updated: 8/12 - Published: 9/19/2022 - [Primarch/s, H. Issei]
GATE Thus The Imperium of Man Fought there by Vorhard156 reviews
It was the 29th Millennium. The Empire was born from one of the bloodiest wars ever witnessed by the galaxy, raise from the crumbling body of the human federation. Exist in perpetual utopia as the result of technological marvel the human had. Yet, there was a disturbance as a gate suddenly manifested on Terra.
Crossover - Warhammer & Gate - Jietai Kare no Chi nite, Kaku Tatakeri - Rated: T - English - Sci-Fi/Fantasy - Chapters: 7 - Words: 20,182 - Reviews: 33 - Favs: 155 - Follows: 199 - Updated: 8/12 - Published: 3/16
Faith and Duty by Tarreth reviews
In the City of Vale, during a vicious and sudden assault of the Grimm after an interrupted tournament, a being unlike any others appears from the thin air. A story of finding oneself in an alien environment. Of differences and similarities between so opposite worlds colliding.
Crossover - Warhammer & RWBY - Rated: M - English - Adventure/Drama - Chapters: 4 - Words: 37,501 - Reviews: 28 - Favs: 126 - Follows: 184 - Updated: 8/12 - Published: 6/17 - Space Marines, Cinder F., Team RWBY, Team JNPR
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: 8 - Words: 26,493 - Reviews: 48 - Favs: 82 - Follows: 105 - Updated: 8/11 - Published: 7/15 - Space Marines, OC, Arbiter, Linda-058
The Saga of the Runt (Youjo Senki WH30k) by L4 of the WEST reviews
Tanya in 30k as a Primark, (we're just having a good time here, having fun with the concept don't think too hard about it)
Crossover - Warhammer & Youjo Senki: Saga of Tanya the Evil - Rated: M - English - Chapters: 46 - Words: 408,013 - Reviews: 648 - Favs: 1,296 - Follows: 1,438 - Updated: 8/11 - Published: 1/14/2022
Crosshair of the Gods by Toaster boy reviews
(Friendly to 40k Newbies) An assassin from the 41st millennium is thrown through time and space into a world of Gods. A world where ancient Roman and Greek heros do battle against giants, but how will a transhuman killing machine adapt to such conditions. With nothing but in his faith in the God Emperor, will he help these demigods or suffer not their heresy to live?
Crossover - Warhammer & Percy Jackson and the Olympians - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 13,396 - Reviews: 18 - Favs: 47 - Follows: 81 - Updated: 8/9 - Published: 8/5
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: 27 - Words: 47,614 - Reviews: 9 - Favs: 24 - Follows: 29 - Updated: 8/9 - Published: 7/18/2022
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: 35 - Words: 101,755 - Reviews: 110 - Favs: 125 - Follows: 140 - Updated: 8/8 - Published: 3/25
Cadian Blood:Worlds Apart, In Hell Together by Johnnieboy11 reviews
The Fall of Cadia did much to the morale of the Imperium. As the Cicatrix Maledictum and its recurring Warp-Storms opened, one such storm caught, at the whim of a higher being, a Regiment of almost 5,000 soldiers more young than most you'd see in the Guard, shipping them to a new world, with new threats and, perhaps, a chance at Retribution.
Crossover - Warhammer & Valkyria Chronicles - Rated: M - English - Sci-Fi/Supernatural - Chapters: 41 - Words: 176,346 - Reviews: 167 - Favs: 268 - Follows: 299 - Updated: 8/8 - Published: 6/9/2019 - [OC, Isara G.] Imperial Guard, Welkin G.
Magnificent Scoundrels by thelordofdarkreunion reviews
When galaxies collide, the greatest heroes from each team up. The question is not if they can survive this strange new reality, but rather if this new universe can survive them. Featuring Ciaphas Cain, Jane Shepard, Peter Quill, Jack Cooper, Han Solo, James Kirk, and Master Chief John 117.
Crossover - X-overs & Warhammer - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 61,621 - Reviews: 42 - Favs: 65 - Follows: 93 - Updated: 8/8 - Published: 5/15 - Imperial Guard, C. Cain
Codex: Magnificent Scoundrels by thelordofdarkreunion reviews
A compendium piece to Magnificent Scoundrels, including a character list and detailing information from the various galaxies.
Crossover - X-overs & Warhammer - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 2 - Words: 16,563 - Reviews: 2 - Favs: 4 - Follows: 4 - Published: 8/8 - Imperial Guard, C. Cain
Warriors Unbroken - A SW vs 40k Fanfiction by Lord of Wisdom reviews
Inspired by AFWTMT's SW vs 40k Fanfiction series. While war rages on across the galaxy, the Mandalorian people are caught nearly completely off guard against the invading Imperium of Man. Unprepared, and facing an enemy that would stop at nothing to get what it wants, the fate of Mandalore and her people hang in the balance as a ruthless foe begins it's march forward.
Crossover - Star Wars & Warhammer - Rated: M - English - Sci-Fi/Adventure - Chapters: 25 - Words: 51,731 - Reviews: 44 - Favs: 33 - Follows: 34 - Updated: 8/7 - Published: 4/4
Remnant Reclamation by Magos-Avriel-Dealek reviews
"Lord Inquisitor, I hope this missive finds you well. My exploration team has found something I believe to be of interest to you. The Terrix sector, believed to be a dead zone of warp storms and hell worlds, appears to have a gem of sorts hidden at its core... The world is vibrant, and covered in life that scans seem to tell are Terran in nature. " "I hope you will take interest."
Crossover - Warhammer & RWBY - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 973 - Reviews: 5 - Favs: 20 - Follows: 29 - Published: 8/7 - Imperial Guard, Inquisition, Ozpin, Summer R.
Neon Cogs by SirBearington reviews
Rebecca always wanted a whirlwind romance but when one came roaring her way, it seems that she wasn't as prepared as she thought she'd be.
Crossover - Cyberpunk 2077 & Warhammer - Rated: M - English - Sci-Fi/Romance - Chapters: 19 - Words: 101,441 - Reviews: 20 - Favs: 142 - Follows: 164 - Updated: 8/6 - Published: 2/28
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: 15 - Words: 138,407 - Reviews: 84 - Favs: 381 - Follows: 425 - Updated: 8/5 - Published: 12/23/2022 - Izuku M., Primarch/s
Of Rats and Ruin by zerkil reviews
Izuku is guided to an artifact of the horned god of the skaven. Through a surely sound deal with the god, Izuku will become a hero with his help. What could go wrong. (T for now)
Crossover - Warhammer & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure - Chapters: 1 - Words: 8,830 - Reviews: 2 - Favs: 21 - Follows: 34 - Published: 8/5
A New Dawn by Johnnieboy11 reviews
Two figures out of their times wind up in the midst of a War for Survival their species and its strange sibling seemingly face on a daily basis. One, a being from Humanity's Golden Age, the Apex of Humanity and the other, born in a Dark Age left over by the collapse of peace and a Galaxy of Only War, both stuck together for the foreseeable future in this strange new world.
Crossover - Warhammer & RWBY - Rated: M - English - Romance/Humor - Chapters: 2 - Words: 8,540 - Reviews: 7 - Favs: 37 - Follows: 54 - Updated: 8/5 - Published: 7/27 - Necrons, OC, Ozpin, Team RWBY
Gate of the Elder Gods: Tides of Fate by undead3 reviews
Following the conclusion of the War of the Thorns Azeroth is thrown into war while mysterious portals on mount Hyjal and in the Scarlet Monastery have allowed both the Horde and Alliance to make contact with another world. As the two warring sides increasingly involve this other world in their war the question looms if they are not poisoning their future for the sake of victory
Crossover - Warhammer & Warcraft - Rated: M - English - Fantasy - Chapters: 5 - Words: 34,094 - Reviews: 63 - Favs: 16 - Follows: 23 - Updated: 8/5 - Published: 7/11 - Vampire Counts, Anduin Wrynn, Sylvanas Windrunner
Great Multidimensional War by Konradoziom reviews
In the not-so-distant future, armies of monsters have invaded Earth. Humanity was on the verge of annihilation by a relatively small enemy force as they began to understand the true scale of the war.
Crossover - X-overs & Warhammer - Rated: M - English - Mystery/Fantasy - Chapters: 11 - Words: 37,775 - Reviews: 9 - Favs: 12 - Follows: 14 - Updated: 8/4 - Published: 2/17
Mistress of Inquisition - Side Stories by GundamNinshu reviews
The Universe is complex. And so, many stories has to told to understand. Now, read these stories to better understand where we are.
Crossover - Warhammer & RWBY - Rated: M - English - Supernatural/Sci-Fi - Chapters: 1 - Words: 1,867 - Reviews: 1 - Favs: 4 - Follows: 6 - Published: 8/4
Many hands make light work by Polluxsashes reviews
A normal twenty-first century human mind stuck inside a Huragok, a Forerunner biobot, gets punted straight into the worst place anyone could ever be: Warhammer 40k. What is he to do but what he is made for? Beware all who call this horrid universe home, you will be 'halped'. First story on this site, updates every 2 weeks. I have up to chapter 12 already written.
Crossover - Warhammer & Halo - Rated: M - English - Sci-Fi - Chapters: 8 - Words: 15,275 - Reviews: 63 - Favs: 216 - Follows: 322 - Updated: 8/3 - Published: 4/27
2K | Page 1 2 3 4 11 .. Last Next »