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Warhammer and Mass Effect Crossovers
11 The Prelude of War » by Indigard 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.
T, English, chapters: 3, words: 58k+, favs: 37, follows: 42, updated: 5/7 published: 11/6/2021, Imperial Guard, Tyranids, OC, Shepard
32 Glory to the Imperium! » by V-rcingetorix 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.
T, English, Drama & Adventure, chapters: 2, words: 25k+, favs: 131, follows: 159, updated: 5/7 published: 11/15/2021
73 Technophiles and Militarists » by thelordofdarkreunion 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.
T, English, Sci-Fi & Adventure, chapters: 3, words: 20k+, favs: 162, follows: 231, updated: 5/7 published: 4/22, Imperial Guard, Space Marines, Adeptus Mechanicus, Shepard
389 Technophiles » by thelordofdarkreunion 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!
T, English, Sci-Fi & Adventure, chapters: 18, words: 202k+, favs: 577, follows: 738, updated: 4/18 published: 9/24/2021, Adeptus Mechanicus, Tali'Zorah, Kal'Reegar, Rael'Zorah
82 The Rise of the Enclave » by 6-4 pilot 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.
T, English, Sci-Fi, chapters: 15, words: 86k+, favs: 263, follows: 311, updated: 3/28 published: 4/20/2020, Chaos Space Marines, Tau, Legion, Shepard
268 The Crusade of the Lost » by Ninoslav 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.
T, English, Sci-Fi & Horror, chapters: 26, words: 187k+, favs: 447, follows: 552, updated: 2/26 published: 8/16/2019
2 The Claw of the Raven by Lighting wolf knight 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.
T, English, Romance & Supernatural, words: 803, favs: 2, follows: 5, 2/22, [OC, Daro'Xen] Cyrus, Illusive Man
4 Imperial Scales by Lighting wolf knight 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.
T, English, Adventure & Sci-Fi, words: 816, favs: 8, follows: 7, 2/12, [OC, Nyreen K.] Space Marines
7 Raiders by Of Questionable Veracity Cerberus research labs look at all sorts of things. Some they probably shouldn't.
T, English, words: 6k+, favs: 15, follows: 10, 2/2
407 Exciting Opportunities » by Of Questionable Veracity 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.
K+, English, chapters: 30, words: 157k+, favs: 577, follows: 800, updated: 1/25 published: 4/15/2019, J. Garson
14 The Shepard of Azyr » by EclipsePheniox 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.
T, English, Fantasy & Adventure, chapters: 4, words: 11k+, favs: 35, follows: 36, updated: 8/12/2021 published: 10/10/2019, Ashley W., Liara T'Soni, Miranda L., Shepard
35 From the Freezer and into the Fire » by wasabitrooper 2 Valhallans get ambushed on patrol and end up seeking refuge inside of a xeno ship.
K, English, Adventure & Sci-Fi, chapters: 8, words: 11k+, favs: 48, follows: 87, updated: 8/5/2021 published: 7/3/2019, Shepard, Imperial Guard
41 By My Duty » by TheFatController001 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?
T, English, Adventure & Sci-Fi, chapters: 6, words: 16k+, favs: 86, follows: 148, updated: 6/1/2021 published: 6/1/2020
59 Rats, Lizards, and Spaceships » by NamThunder 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.
T, English, Sci-Fi & Fantasy, chapters: 3, words: 3k+, favs: 134, follows: 186, updated: 2/14/2021 published: 5/7/2020, Lizardmen
31 First Contact With The Angels (Temporarily On Hiatus) » by BrotherAntrosOfTheBloodAngels 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.
T, English, chapters: 2, words: 8k+, favs: 199, follows: 242, updated: 8/5/2020 published: 7/11/2020
336 Angel's Lament (Momentarily on Hiatus) » by BrotherAntrosOfTheBloodAngels 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?
T, English, Fantasy & Sci-Fi, chapters: 27, words: 179k+, favs: 469, follows: 595, updated: 7/25/2020 published: 11/18/2019, Imperial Guard, Space Marines, Shepard
143 First Contact With An Angel » by BrotherAntrosOfTheBloodAngels 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!
T, English, Sci-Fi & Fantasy, chapters: 11, words: 68k+, favs: 333, follows: 413, updated: 7/13/2020 published: 8/18/2019, Imperial Guard, Planetary Defence Forces, Space Marines, Primarch/s
432 Shepherd of Humanity » by Empirialtank 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
T, English, Sci-Fi & Adventure, chapters: 9, words: 112k+, favs: 792, follows: 1k+, updated: 7/6/2020 published: 2/17/2019
57 The Lost Trader » by A Major Payne The warp spew out existential headaches for the Citadel Council. *Pending Rewrite.
T, English, Sci-Fi, chapters: 5, words: 19k+, favs: 108, follows: 164, updated: 5/7/2020 published: 4/29/2020
11 Threnody to Resurgence » by nameinprogress 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.
T, English, Sci-Fi & Adventure, chapters: 2, words: 13k+, favs: 50, follows: 72, updated: 5/1/2020 published: 4/28/2020, Eldar, Tau, Councilor Tevos
7 Kharn destroys Mass Effect by Dreamsofiron Xeno loving hippies are dead! The slaughter begins
T, English, Sci-Fi & Horror, words: 51, favs: 3, follows: 2, 11/20/2019
494 The Warhammer Effect: Collateral Misfortunes » by BKGeno 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.
T, English, Adventure & Sci-Fi, chapters: 37, words: 276k+, favs: 675, follows: 884, updated: 5/10/2019 published: 9/9/2017, Eldar, Shepard
54 Matriarch and Primarch by erttheking 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.
T, English, Drama, words: 5k+, favs: 362, follows: 283, 4/7/2019
32 Mass Effect: Universal Outcasts by Gyvon 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.
T, English, Adventure & Sci-Fi, words: 5k+, favs: 109, follows: 201, 1/1/2019, Eldar, Deathwatch, Sisters of Battle, J. Garson
138 After the End » by Haegr 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.
T, English, Sci-Fi & Fantasy, chapters: 18, words: 54k+, favs: 197, follows: 307, updated: 12/22/2018 published: 9/28/2016, J. Garson
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