Warhammer and Mass Effect Crossovers
Filters
73 | Page 1 .. Last Next »

Technophiles and Militarists by thelordofdarkreunion reviews
The Reaper invasion is nigh. Outnumbered and outgunned, the Citadel must turn to two new, dangerous allies for salvation: the Adeptus Mechanicus and Imperium of Man.
Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 60,028 - Reviews: 146 - Favs: 216 - Follows: 302 - Updated: 6/21 - Published: 4/22 - Imperial Guard, Space Marines, Adeptus Mechanicus, Shepard
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.
Rated: T - English - Chapters: 4 - Words: 68,538 - Reviews: 14 - Favs: 45 - Follows: 46 - Updated: 6/6 - Published: 11/6/2021 - Imperial Guard, Tyranids, OC, Shepard
Glory to the Imperium! by V-rcingetorix reviews
Astartes Shepard has been assigned a new task: to escort strange alien civilians to a site within Imperium borders. The Emperor Renewed has issued a personal directive that preparations are to take place, an alien race seeks to destroy the peace achieved within the Imperium's holy borders. My first foray into the 40k 'verse, insight would be helpful.
Rated: T - English - Drama/Adventure - Chapters: 2 - Words: 25,369 - Reviews: 33 - Favs: 139 - Follows: 173 - Updated: 5/7 - Published: 11/15/2021
Technophiles by thelordofdarkreunion reviews
Everyone's favorite technophilic groups meet: the Adeptus Mechanicus from Warhammer 40k and the Quarians from Mass Effect. When the Cult Mechanicus learns of the existence of the A.I.'s known as the Geth and Reapers, they decide only one thing can be done, and enlist the help of Quarians to fight once more for their ancestral home. Keelah se'lai and Glory to the Machine God!
Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 202,172 - Reviews: 391 - Favs: 602 - Follows: 766 - Updated: 4/18 - Published: 9/24/2021 - Adeptus Mechanicus, Tali'Zorah, Kal'Reegar, Rael'Zorah - Complete
The Rise of the Enclave by 6-4 pilot reviews
Stuck in a more peaceful galaxy, the Tau of the Farsight Enclave must still prepare themselves for war against the forces that conspire to destroy it. But as they fight for their existence, elements from their old home come to strengthen their power in said old home.
Rated: T - English - Sci-Fi - Chapters: 15 - Words: 86,856 - Reviews: 83 - Favs: 267 - Follows: 314 - Updated: 3/28 - Published: 4/20/2020 - Chaos Space Marines, Tau, Legion, Shepard
The Crusade of the Lost by Ninoslav reviews
A fleet of Imperial reinforcements, Mechanicus detachment and a chapter of White Eagles meant for Cadian sector are swallowed in the unruly sea that is Warp caused by the Great Game of the Protector of Mankind against the Chaos Gods. They emerge into a new universe, one without the Emperor, their faith strong, they will see this galaxy conquered.
Rated: T - English - Sci-Fi/Horror - Chapters: 26 - Words: 187,676 - Reviews: 268 - Favs: 451 - Follows: 558 - Updated: 2/26 - Published: 8/16/2019
The Claw of the Raven by Lighting wolf knight reviews
A plot to throw the galaxy into chaos and only those outside the rules were a match for it. Rated T for violence, death, and profanity.
Rated: T - English - Romance/Supernatural - Chapters: 1 - Words: 803 - Reviews: 2 - Favs: 2 - Follows: 5 - Published: 2/22 - [OC, Daro'Xen] Cyrus, Illusive Man
Imperial Scales by Lighting wolf knight reviews
To them? the fact that they were entirely thrown into a new battlefield was entirely amusing. Next chapter will be delayed. Rated T for violence, death, and profanity.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 816 - Reviews: 4 - Favs: 8 - Follows: 7 - Published: 2/12 - [OC, Nyreen K.] Space Marines
Raiders by Of Questionable Veracity reviews
Cerberus research labs look at all sorts of things. Some they probably shouldn't.
Rated: T - English - Chapters: 1 - Words: 6,899 - Reviews: 7 - Favs: 15 - Follows: 10 - Published: 2/2 - Complete
Exciting Opportunities by Of Questionable Veracity reviews
In an unexpected and highly unlikely turn of events, a catastrophic warp breach from a crippled ship manages to fling a Rogue Trader - or rather, the youngest son of a Rogue Trader - through time and space to a universe quite unlike what anyone on-board in used to. They make the best of the situation.
Rated: K+ - English - Chapters: 30 - Words: 157,623 - Reviews: 407 - Favs: 582 - Follows: 805 - Updated: 1/25 - Published: 4/15/2019 - J. Garson
The Shepard of Azyr by EclipsePheniox reviews
Experimental. Long without her memories Celestant Jayne Starforged is sent on simple scouting mission. But the mission into anything but simple as her past comes to the Mortal Realms with an old enemy. Age of Sigmar.
Rated: T - English - Fantasy/Adventure - Chapters: 4 - Words: 11,930 - Reviews: 14 - Favs: 36 - Follows: 36 - Updated: 8/12/2021 - Published: 10/10/2019 - Ashley W., Liara T'Soni, Miranda L., Shepard
From the Freezer and into the Fire by wasabitrooper reviews
2 Valhallans get ambushed on patrol and end up seeking refuge inside of a xeno ship.
Rated: K - English - Adventure/Sci-Fi - Chapters: 8 - Words: 11,938 - Reviews: 35 - Favs: 48 - Follows: 87 - Updated: 8/5/2021 - Published: 7/3/2019 - Shepard, Imperial Guard
By My Duty by TheFatController001 reviews
By my faith, may the light of the Emperor spread to the furthest star. But how far does his light stretch? The warp, a treacherous and perilous method of travel, sends an Imperial ship into unfamiliar territory. To a time where humans consort with xenos. Join them as they traverse through perilous times. Will they hold to their faith?
Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 16,824 - Reviews: 41 - Favs: 85 - Follows: 148 - Updated: 6/1/2021 - Published: 6/1/2020
Rats, Lizards, and Spaceships by NamThunder reviews
The world fell, but two races remained. The Lizardmen and Skavens. Once lifetime rivals, they came together and rose from the ash, rebuilt the world, and ascended unto the stars and beyond. One day, however, they discovered that they are not alone, and would unknowingly become a part of a chain of events that would change the entire galaxy and its creations forever.
Rated: T - English - Sci-Fi/Fantasy - Chapters: 3 - Words: 3,108 - Reviews: 60 - Favs: 134 - Follows: 186 - Updated: 2/14/2021 - Published: 5/7/2020 - Lizardmen
First Contact With The Angels (Temporarily On Hiatus) by BrotherAntrosOfTheBloodAngels reviews
The Imperium succeeded Chaos was beaten after the Sacrifice of Horus, his final actions outing his brother Lorgar a Traitor to the Emperor. The Vengence of the Emperor and his Loyal Sons was brutal, but the war took time, but finally, after 20 years, and countless dead, the Imperium stands Victorious. Now with this new age of peace on the horizon, humanity again looks to the stars.
Rated: T - English - Chapters: 2 - Words: 8,709 - Reviews: 31 - Favs: 201 - Follows: 244 - Updated: 8/5/2020 - Published: 7/11/2020
Angel's Lament (Momentarily on Hiatus) by BrotherAntrosOfTheBloodAngels reviews
A Strike Force of Blood Angels and Lamenters are thrust into a completely new reality, along with a fleet of Imperial Refugees. But how? And Why? If fate is to be believed the Emperor has sent the Angel's Sons here with a task. They are to protect an infant Mankind from an encroaching Darkness. But even though this galaxy despises everything about them will they be able to save it?
Rated: T - English - Fantasy/Sci-Fi - Chapters: 27 - Words: 179,644 - Reviews: 338 - Favs: 470 - Follows: 596 - Updated: 7/25/2020 - Published: 11/18/2019 - Imperial Guard, Space Marines, Shepard
First Contact With An Angel by BrotherAntrosOfTheBloodAngels reviews
This is my First EVER fanfiction and I decided to give it a whirl. This is a Warhammer AU that takes place during the Great Crusade. Will contain Sanguinius and his altercations with the Mass Effect world races. This story is sadly now no longer going to be updated after today but I will be making a new version of the story which I hope to make even better than this version!
Rated: T - English - Sci-Fi/Fantasy - Chapters: 11 - Words: 68,281 - Reviews: 143 - Favs: 334 - Follows: 414 - Updated: 7/13/2020 - Published: 8/18/2019 - Imperial Guard, Planetary Defence Forces, Space Marines, Primarch/s - Complete
Shepherd of Humanity by Empirialtank reviews
The Age of Strife has ended and the lost colonies of man reach for the stars once more, most ignorant of their history or each other's existence. In one corner of the Galaxy mankind meets the peaceful Citadel Council and joins a galactic community. In another the Master of Mankind has lost his sons to the warp. One of those sons has been found in Alliance space. On Elysium. preME1
Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 112,257 - Reviews: 434 - Favs: 796 - Follows: 1,048 - Updated: 7/6/2020 - Published: 2/17/2019
The Lost Trader by A Major Payne reviews
The warp spew out existential headaches for the Citadel Council. *Pending Rewrite.
Rated: T - English - Sci-Fi - Chapters: 5 - Words: 19,634 - Reviews: 57 - Favs: 109 - Follows: 165 - Updated: 5/7/2020 - Published: 4/29/2020
Threnody to Resurgence by nameinprogress reviews
In 2148, explorers on Mars discovered the remains of an ancient spacefaring civilisation. In 2157, mankind opened the Shanxi-Theta relay and encountered alien life. But it was in 2155 that everything changed, when unwanted guests as ancient and arrogant as any Reaper arrived in the galaxy, dragging with them unwitting tagalongs.
Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 13,712 - Reviews: 11 - Favs: 51 - Follows: 72 - Updated: 5/1/2020 - Published: 4/28/2020 - Eldar, Tau, Councilor Tevos
Kharn destroys Mass Effect by Dreamsofiron reviews
Xeno loving hippies are dead! The slaughter begins
Rated: T - English - Sci-Fi/Horror - Chapters: 1 - Words: 51 - Reviews: 7 - Favs: 3 - Follows: 2 - Published: 11/20/2019
The Warhammer Effect: Collateral Misfortunes by BKGeno reviews
In the future, where there is only war, sometimes desperate measures must be taken to secure the survival of a few. But when that measure leads to a place far different from what they know, can the Eldar adapt to a new reality, where there is more than only war? Also, what is a monkey? Picture by timokujansuu on Deviantart. ON HIATUS.
Rated: T - English - Adventure/Sci-Fi - Chapters: 37 - Words: 276,955 - Reviews: 494 - Favs: 679 - Follows: 889 - Updated: 5/10/2019 - Published: 9/9/2017 - Eldar, Shepard
Matriarch and Primarch by erttheking reviews
The Council has encountered a power that is so massive, so overwhelming, that they cannot hope to fight it. Matriarch Benezia instead sets out to negotiate for the Council's continued right to exist. Patreon sponsored one-shot.
Rated: T - English - Drama - Chapters: 1 - Words: 5,694 - Reviews: 54 - Favs: 364 - Follows: 284 - Published: 4/7/2019 - Complete
Mass Effect: Universal Outcasts by Gyvon reviews
Shepard's mission to stop the Collectors had only just begun when she receives a strange distress call. She directs the Normandy to an uninhabited planet, where she finds four strange people, people not even from her universe, but from somewhere else. Somewhere far more hostile than her universe. A universe where something like the reaper threat has another name; Tuesday.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 5,590 - Reviews: 32 - Favs: 109 - Follows: 201 - Published: 1/1/2019 - Eldar, Deathwatch, Sisters of Battle, J. Garson
After the End by Haegr reviews
Commander Jane Shepard has done everything she could to defeat the Reapers. Yet the galaxy is a cruel place and she must once more assemble her team and do the impossible and prevent an even more devastating war. Story set after modded Mass Effect 3, thus with destroyed Reapers but with a still living EDI and Geth. I own nothing and all IP belongs to their respective owners.
Rated: T - English - Sci-Fi/Fantasy - Chapters: 18 - Words: 54,757 - Reviews: 138 - Favs: 198 - Follows: 308 - Updated: 12/22/2018 - Published: 9/28/2016 - J. Garson
73 | Page 1 .. Last Next »