Spacemarines Stories

This is a crossover between Jayfiction's excellent Imperium Ascendant and Gate, Thus the JSDF Fought There. I do not own Warhammer or Gate credit belongs to Games Wor...

During the Great Crusade, the Empress of mankind sets out to the stars to reclaim her lost demigod daughters, the Primarchs. During this Crusade to reunite humanity, the...

When Team RWBY and JNPR tried to have a sleepover a Box appear having knowledge of the Grim dark universe of 40k (My first time Writing a reaction and making a fanfic so...

"I've been for who knows how long...My Mother....my sisters....I've begin to feel lonely here on this planet in the eye of terror everyone in my legion is Gone it's...

​He was the only son of the Emperor who dared to call the Imperium a failure. ​Primarch Valerius was lost to the annals of history, a forgotten relic of the Great Crusad...

In the depths of the grim darkness that shrouds the 41st millennium, the Astartes stand steadfast as the stalwart defenders of humanity. With hearts as cold as the void...

Y/n first youngest male primarch and he have sisters 20 primarch

[Sequel to 'Imperium'] Following the successful defense of Alamarri and the sudden withdrawal of Hepharion's Chaos Marines, Caius returned to Macragge in time to see th...

death and reborn on cadia what does his new life have instore for him.

Leman Russ has scoured the Eye of Terror for the Tree of Life with his most trusted Wolf Guardsmen, Thorkell, Einar, and Thorfinn. After a hundred years, he finally find...

During the Great Crusade, the Emperor of Mankind was striving for success in locating each of his children. Twenty one... He has twenty-one children, and he has found t...

In the grim darkness of the 41st millennium, Lieutenant Demetrian Titus and his brothers, Chairon and Gadriel of the Ultramarines Chapter, face the ultimate test aboard...

Nuadan Bahad has lived for millennia fighting the enemies of the Aeldari. An experienced Farseer, he has served the Craftworld Ulthwé and their fight against the forces...

When an experimental Talon device tears her from her own time, Overwatch's Pharah finds herself stranded on Zeta Halo-a Forerunner ringworld ravaged by war, torn between...

Man-emperor of mankind meeting of hololive English 1st generation. When Amelia Watson screwed up and sends all of them in 42nd millennium were the EMPEROR is still sitti...

Commander Caius Atelinas is many things: angel, demon, soldier, saint, and above all, an Ultramarine. A distinguished veteran of uncounted battles, his squad is often se...

Caught between two universes, a squad of Ultramarines from the 41st millennium finds themselves stranded on a mysterious ringworld in the 26th century. Lieutenant Demetr...

When Sanguinius, the noble Primarch of the Blood Angels, falls in a fatal duel during the Horus Heresy, his soul is hurled through the Warp-only to awaken in a galaxy ce...

I like both DOOM and Halo game series. So I thought. Why not make Ocs out of those 2 Popular game series? I'm also interested in the Warhammer40k verse

In the wake of a brutal, near-fatal assault on Klandathu Prime, the Mobile Infantry finds themselves thrown into a new, even more terrifying war. As humanity reels from...