1 - 20 of 566 Works in Adeptus Astartes | Space Marines (Warhammer 40.000)
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Summary
A growing collection of 40k flash fiction dedicated to the Lamenters Space Marine Chapter
Each chapter is a stand-alone story featuring different Lamenters in different situations spanning throughout their Chapter’s tumultuous history
Enjoy
UPDATE 5/11/2026: CHAPTERS 1, 4, 7, 16 & 39 ARE ALL ON YOUTUBE AS AUDIO-DRAMAS
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Echoes of a long gone past by jaddi
Fandoms: Warhammer 40k (Novels) - Various Authors, Warhammer 40.000, Horus Heresy - Various Authors
24 Jul 2026
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After 51K words chapter 26 is going up in the Archive .. if anybody is only here for the first kiss or so...
******
Roboute Guilliman has fought wars, rebuilt worlds and carries the burden of the Imperium on his shoulders. While having lost all the people close to him 10.000 years ago. But then a forensic Inquisitor drops a spark from the past into his care.
Emissary, Courier, Infrastructure Coordinator, Eta stems from a Time, traversing the vast distances between the Stars was done by Sublight Vessels, sleeping in a cryopod, and since then did never stop showing up from time to time. Adapting to the Galaxy reshaped again again with a fascinating ease. The Lord Regent never had a chance to meet her in the Time of the great Betrayal, or after, thinking she was killed in a Crash of her Dropship after the Siege.
Now he has a second chance to finally say “Hello!” to her, as this emotional unfinished chapter from Millenia ago, still lingers in his thoughts.SLOW BURN WARNING: I deliever stuff with my SAILBOAT, taking 10 days for a route I could do with a Truck in 3 hours. So if anybody wants to know how slow this here brurns. I sail for Macragge! Or Talassar. Depends.
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Brothers Lost to Time and many lost to Wars. by Carg0_8_Ridgehauler
Fandoms: Warhammer 40.000, Horus Heresy - Various Authors
24 Jul 2026
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This’ll go over lore of a little bit of everything, I’ll have my Solar Auxilia Characters, my World Eater Characters, some sons of Horus characters, a few Black Legion Characters, and mostly Word Bearers and Eventually Red Corsairs.
- Language:
- English
- Words:
- 378
- Chapters:
- 1/?
- Hits:
- 8
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[Fanart] Adeptus Mechanicus x Adeptus Astartes by The_OneWhosNot_Running_TheShow
Fandoms: Warhammer 40.000, Warhammer 40k (Novels) - Various Authors, Warhammer 40.000: Space Marine (Video Games)
24 Jul 2026
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In the grimdark future of the 41st millennium, there is only war, but perhaps there is a small light to love.
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Sunless in Warhammer 40k by EonweUrion
Fandoms: Warhammer 40.000, Shadow Slave - Guiltythree
22 Jul 2026
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What do we get when we combine the most Trecherous Shadow and Grimdark Universes?
So, after Third Nightmare, Transcendent Sunny finds himself in a grimdark future where is only war.
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Build A Technological Civilization by Sokdavid
Fandoms: Original Work, Warhammer 40.000, MonsterVerse (Legendary Pictures Movies), King Kong (Movies - Guillermin), Godzilla - All Media Types, Alien Series, ゲート 自衛隊彼の地にて斯く戦えり | GATE: Jietai Kanochi nite Kaku Tatakaeri (Anime), SpongeBob SquarePants (Cartoon), fate - Fandom
21 Jul 2026
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In a universe where every person awakens a Planet as the foundation of their power, the strength of one's civilization determines their might. From martial worlds where warriors reign, to mystic realms teeming with magic, to ethereal domains of immortal cultivators, every awakened Planet becomes a reflection of its creator's path.
But Alexander Sebastian is different. Reborn with memories from a modern, Earth-like world, he forges something never seen before: a Technological Civilization. While others summon Qi, Mana, or Spiritual Power, Sebastian builds factories, launches satellites, and commands fleets of starships.
With logic as his weapon and science as his foundation, Sebastian begins to shake the very foundations of this Supernatural cosmos. When a Star Destroyer punches through planets and dimensional weapons turn worlds into nothing more than paper, even the proudest civilizations must bow before the cold, unrelenting force of progress.
Witness a tale where science defies fantasy, and technology becomes the ultimate path to dominance.
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Sorry, my English as my second language is average, so forgive me if there is a mistake. The later chapter will have better quality.
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The Lovers by gothamcitynarrows
Fandoms: Warhammer 40.000, Warhammer 40k (Novels) - Various Authors
20 Jul 2026
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Stand-alone sequel to Three of Cups. Dorn & Sigismund explore their newfound physical relationship a bit more. PWP, Dorn's turn on top!
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Three of Cups by gothamcitynarrows
Fandoms: Warhammer 40.000, Warhammer 40k (Novels) - Various Authors
19 Jul 2026
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Fulgrim and Horus help their brother Dorn realize something about his first captain. PWP, Dorn & Sigismund's first time.
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Seeing Chaos by Azremodehar
Fandoms: 呪術廻戦 | Jujutsu Kaisen (Anime & Manga), Warhammer 40.000
19 Jul 2026
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Through a series of shenanigans beginning with Gojo's students never having the back door, and ending with Typical God Emperor of Mankind Bullshit, the Prison Realm is lost.
What a turn of luck then, that it turns up, thirty-eight thousand years later, on a planet under a daemonic invasion...
OR: It is a lovely day in the grim, dark future, and you are a horrible Gojo.
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[Fast Fiction] Warlock L’Adriath Eli’amaur and his kin have fallen into a capricious god’s web. By some cosmic error, their fate rested in the hands of one mon-keigh, the captain of 8th Company of the Sons of the Phoenix, Daincaz Kesaeal.
- Language:
- English
- Words:
- 1,001
- Chapters:
- 1/1
- Kudos:
- 1
- Hits:
- 10
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[Fast Fiction] Baron Ise’klosy’s desires were simple. Riches. Power. Then the barbarian Astartes came, seeking to interfere with his latest acquisition, but the mon-keigh would soon learn what it meant to engage with the voidscarred touched by fortune.
- Language:
- English
- Words:
- 1,000
- Chapters:
- 1/1
- Kudos:
- 2
- Hits:
- 11
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The Creed of Silence: Under the Raven's Wing by Ignis_Soror_Flammarum
Fandoms: Warhammer 40.000, Warhammer 40.000: Space Marine (Video Games), Warhammer 40k (Novels) - Various Authors, Warhammer
18 Jul 2026
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By a twist of fate, Lieutenant Titus and Sister Superior Vexillia crossed paths amidst the echoes of the Fortress of Hera. Driven by a curiosity bordering on obsession, she sought him out in the shadows, yearning to unravel the myth of the Astartes who returned from the Deathwatch—a legend of honor that stirred a fervent pride within her. But when faced with the warrior’s presence, admiration transmuted into a dark devotion, and curiosity into a forbidden passion that shackled them together forever.
This bond, born of sacrilege, has cast them into a void where the deadliest battlefield is not the war front, but the labyrinth of Imperial dogma and politics that haunts them. Between command conflicts and breaking points, both walk a razor's edge, concealing a secret that burns under the scrutiny of an implacable Inquisition.
Amidst this maelstrom of blood and suspicion, the privacy of Titus’s quarters has become their only oasis—a fleeting refuge of humanity that constant surveillance has transformed into a glass cage. There, where silence is their sole ally, they know that peace is a borrowed luxury and that a single mistake—a lingering glance or a miscalculated sigh—will seal the death warrant for them both.
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El Credo del Silencio: Bajo el Ala del Cuervo by Ignis_Soror_Flammarum
Fandoms: Warhammer 40.000, Warhammer 40.000: Space Marine (Video Games), Warhammer 40k (Novels) - Various Authors, Warhammer
18 Jul 2026
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Por azar, el Teniente Titus y la Superiora Vex cruzaron caminos en la Fortaleza de Hera. Movida por una curiosidad obsesiva, ella lo buscó en las sombras tras el mito del Astartes; una leyenda que despertaba en ella un orgullo ferviente. Ante él, la admiración se transmutó en devoción oscura, y la curiosidad en una pasión prohibida que los encadenó.
Este vínculo sacrílego los arroja a un vacío donde el campo de batalla real es el laberinto de dogma y política imperial. Entre crisis de mando y sospechas, caminan sobre el filo de una navaja, ocultando un secreto bajo el escrutinio de una Inquisición implacable.
En esta vorágine, los aposentos de Titus son su único oasis; un refugio de humanidad transformado en jaula de cristal. Allí, con el silencio como aliado, saben que la paz es un lujo prestado y que un solo error —una mirada o un suspiro mal calculado— dictará su sentencia de muerte
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Nothing less of perfect by 1Goblin_of_the_catacombs1
Fandoms: Warhammer 40.000, Warhammer 40k (Novels) - Various Authors
17 Jul 2026
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Undae ab praeteritorum||Waves from the past by Hopefully_Grimderp
Fandoms: Warhammer 40k (Novels) - Various Authors, Warhammer 40.000
17 Jul 2026
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Cato Sicarius holds a multitude of titles: Master of the Watch, Knight Champion of Macragge, Grand Duke of Talassar, High Suzerain of Ultramar. But there is one that even he has forgotten - the unrequited lover. When a face from his past that he seeks so desperately to forget reappears, he is inadvertently pulled back into the memories and the dire consequences of the past. The consequences might just be things that shake the very foundation of the Imperium that he knows and loves.
Series
- Part 6 of Tales from the Imperium
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An Eulogy For a Living Man by Chrysoberyl_09
Fandoms: Warhammer 40.000, Warhammer 40k (Novels) - Various Authors
17 Jul 2026
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He was supposed to be dead, he had been sure of it. He remembered the feeling of letting go, the all consuming blackness that followed. And yet here he was, twin hearts furiously pumping in his chest, lungs bringing in might gulps of air. He was alive, and he shouldn't have been.
Or, in which Garviel is immortal and no one is ok.
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Warhammer 40,000: Erizabetta Westwood - Seducing the Swarm by Supermassiveburrito
Fandoms: Warhammer 40.000
16 Jul 2026
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Commissar Erizabetta Gwynnatea Kesserine Westwood, or simply Riza, has been assigned to the Grennan 877th Righteous Maidens. She has managed to find her place within the regiment in time before their latest deployment in service to stalling a Tyranid Behemoth splinter fleet. She is ready to slay the enemies of the Imperium but the ever-adapting swarm has a new tactic up it's chitinous sleeves. They don't just want her biomass, they crave her flesh. Caught out buying time for her troops to retreat, Riza is left to fend for herself within the swarm...but it won't be bolters or chainswords that save her. Disgusting as it may be to give her body to the enemy, she will do anything to derail the enemy effort for as long as she can!
- Language:
- English
- Words:
- 14,901
- Chapters:
- 1/1
- Kudos:
- 86
- Hits:
- 469
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The New Librarians of the Library by Cysker
Fandoms: Library of Ruina (Video Game), Warhammer 40.000, Horus Heresy - Various Authors
16 Jul 2026
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Summary
A Thousand Sons warband flees the galaxy and ends up in the Library. Powers clash, alliances are forged, and Angela gains some very dangerous new librarians.
Series
- Part 1 of Warhammer 40K X Project Moon
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A Marine Amongst Sinners by Cysker
Fandoms: Horus Heresy - Various Authors, Limbus Company (Video Game), Warhammer 40.000
15 Jul 2026
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Summary
A fallen Iron Warrior is dragged through the Warp and into the world of Limbus Company. Now named the Fourteenth Sinner, Ajax must navigate a reality where death rewinds, sinners resurrect, and strength alone means nothing. Once a demoted Warsmith of the IV Legion, he must decide whether this strange new battlefield is punishment… or a second chance.
Series
- Part 2 of Warhammer 40K X Project Moon
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- Language:
- Français
- Words:
- 6,271
- Chapters:
- 1/?
- Hits:
- 0