"They shall be my finest warriors, these men who give themselves to me. Like clay, I shall mold them and in the furnace of war I shall forge them. They will be of iron will and steely sinew. In great armour shall I clad them and with the mightiest guns will they be armed. They will be untouched by plague or disease, no sickness will blight them. They will have tactics, strategies, and machines such that no foe can best them in battle. They are my bulwark against the Terror. They are the Defenders of Humanity. They are my Space Marines and they shall know no fear.
--The Emperor of Mankind looking at his greatest project and creation.
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Third person POV
In the endless silence of the void, two souls drifted.
One burned like a dying star, fractured and scarred by eons of bloodshed and violence. It carried no name anymore—names were for mortals. It had transcended identity. It had been called "husband," then "soldier," then "slayer," and finally, nothing at all. Only raw instinct remained: rage without mercy, will without chains, a boundless hunger to destroy evil.
The other soul floated beside it—a dim, flickering ember. Fragile. Trembling. Lost. But it had innocence of a baby and like a baby, It screamed into the void, trying to remember who it was, why it had come to this horrible place, and why it belonged here. But there were no answers. Only fear. And dark figures in the void. And yet, the first soul never left the second. Though it could have consumed it, devoured it, silenced its cries—it didn't. It circled protectively, violently fending off shadowy things that slithered through the emptiness that is the void. The two drifted together—like the shepherd and the lamb.
Time had no meaning in the void. But the pain does.
In the shattered echoes of his mind, the stronger soul recalled flashes—hellish landscapes, roars of ancient beasts, the clangor of steel and screams. A red sky. Demons burning. A world called Argent D'nur, the maykrs, the dark lord, Samuel Hayden, Daisy And the weight of every war he had ever fought pressing on his shoulders.
The second soul fared no better. Its memories came crashing down tenfold—relentless, unfiltered, and all-consuming —of joy and sorrow—were laced with the highest of highs and the lowest of lows.
Laughter that once brought joy now stabbed at him like a blade. Love, once a comfort, now felt hollow, There was pain in remembering. Not for what had happened, but for what could never happen again. The pain of remembering without ever truly having lived those moments. The ache of knowing the past was lost forever. The quiet torment of realizing he could never return to who he once was. And worst of all, the unbearable of pain and regret of never saying goodbye to those he had loved.
And for what seem like eons after eons of pain and suffering and futility.
Both souls felt it.
The pull.
Then A blinding flash.
Then Agony.
Agony on a level neither two soul had felt before. Their forms stretched, merged, and melded together into something that it shouldn't have been possible but it had happened but then. . .
*GASP*
He opened his eyes, still recalling the pull and then Their Consciousness slammed back to reality. The fused soul thrashed violently, muscles spasming as it awakened within a containment tank filled with thick, green, luminous fluid and after a few hours he stopped spasming and he began to see what was in front of him. And from what he saw, was his reflection and in his reflection was red glowing eyes staring right back at him.
He looked down at his body, confused—it was smaller, leaner, not like the strong adult forms. It looked…young, but not like a child either. The thing in between his legs is big, but not big enough to look unnatural.
But then a panel popped up in his field of view cutting off any thought he had about his body . . .
[IMPRENATION SYSTEM: ACTIVATED
Welcome subject: DOOM SLAYER.
Designated Role: Seedbearer
Objective: Spread your bloodline across worlds. Breed warriors who will inherit your rage, your strength, and your hate. Mankind's survival depends on it.
Primary Threat: The Four Chaos Gods. Their legions are endless. Their spawn spread through warp-tainted bloodlines and universes. You are our answer. Our weapon. Our legacy.]
He stared at it. No name. No identity of his past life.
Just "The Doom Slayer."
The panel flickered once, then faded.
He blinked. Slowly turned his head, he lost interest fast but also importantly, There were others like him.More tanks. Lined in perfect formation, Each one held another figure — massive but to him they were small, still asleep.
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THE PRIMARCHS – SONS OF THE GOD EMPEROR OF MANKIND
(PS: The MC doesn't know their names yet I'm just adding this to help the readers know who are the primarchs and what the primarch's names are. and some sources say that there are either 19, 20, or 21 primarchs I just added 20 with the MC/doom slayer included obviously, hope this helps.👍)
Horus Lupercal.
Lorgar Aurelian.
Vulkan.
Corvus Corax.
Alpharius & Omegon(twins).
Lion El'Jonson.
Fulgrim.
Perturabo.
Jaghatai Khan.
Leman Russ.
Rogal Dorn.
Konrad Curze.
Sanguinius.
Ferrus Manus.
Angron.
Roboute Guilliman.
Mortarion.
Magnus the Red.
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Each one… felt familiar. Like pieces of a puzzle he hadn't seen before, but already knew how to solve.
He studied them.
Then, lost interest.
They were like him. Different, yet the same.
Then—the chamber changed.
A quiet hiss.
A low hum.
The air itself seemed to bend to whoever was coming.
He felt it before he saw it— a divine presence. Not holy. Not warm. Just… absolute power.
Someone powerful has entered.
A man who's height should be impossible to have and who seems to be surrounded by a Golden light and clades with a golden armour giving him the looks of a god and his looks chiseled, without any imperfections. His Heavy footsteps bent the metal ground beneath him like it was something very malleable. And his aura bent the room without force.
THE GOD EMPEROR OF MANKIND(pic)
The figure walked down the line of tanks. Stopping. Staring.
Looking at each of them.
One by one.
He watched silently, like he was judging them, gauging them.
Then—those glowing golden eyes landed on him.
A Pressure hit him like a tidal wave. Crushing. Immense, this pressure would have killed a regular human into a bloody paste, fortunately he was not normal by any sense.
he didn't cower.
He stared back.
Eyes like fire behind green glass. Unmoving. Unblinking.
The force met resistance.
He didn't know why he resisted. Only that he had to.
And then… the golden figure smiled like a proud father would to his son.
The golden being spoke not loud but deep and strong that it rattled the space around him. But what he said burned into his very soul.
"Against all the evil that the Chaos Gods can conjure,
All the wickedness that mankind can produce,
We will send unto them… only you.
Rip and tear, until it is done, my son."
He didn't understand the words fully meant.
But he understood the meassage it tried to convey.
He was made for something.
He didn't know who he was.
But he knew what he would and could do.
Destroy the wicked. Protect the weak.
That was all that mattered.
The pressure lifted.
The light dimmed.
His muscles relaxed.
And slowly… the surrounding area returned to normal.
His eyes drifted shut.
And then—all faded to black.
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Author's Note:
This chapter is meant to be short but packed with just enough information to lay the groundwork. Warhammer 40k can be incredibly overwhelming—honestly, even for me as a casual fan—so I focused on introducing the core characters like the God-Emperor and the Primarchs in a way that the newcomers and casual readers can keep up and digest . I plan to bring in more lore from the books later on, but for now, this is just the foundation. Sorry for the yapp fest—I just felt it was necessary to give readers a solid starting point. I hope you enjoy this first chapter. I'll be uploading five chapters at a time(randomly) since daily uploads are a bit too much for me with work and all.
PS, this doom slayer is the same in some parts but different from the original counterpart, he more vocal(meaning he will talk more instead of being a mute like most of the time in-game), he is more emotional but not overbearing like bordering on being annoying and more but some are very negligible.
Thanks for reading, and have a great day! 👋