It is the 45th Millennium and the galaxy is dying. On the verge of victory over the Imperium, the Chaos forces have proven unable to stem the tide against the Great Devourer and its trillions of Tyranids. Only one option: cross the dimensions, find a hero able to triumph where billions have utterly failed and change the course of the past...

Arcturus Magnus, Sagittarum of the Legio Custodes, has fought for years within the webway and the Impossible City. Upon taking a near-fatal wound, the Emperor Himself removes Arcturus from the front, sending him instead to bring forth reinforcements from the Mechanicum. When something goes wrong during the return, where does this Custodian find himself?

What if the Emperor's faithful finds himself in a power struggle between the great houses on a far-flung desert?

The grimdarkness of the far future learns what it means to do the impossible and kick reason to the curb.

Sometimes, small things can have unforeseen consequences. Like the butterfly causing an hurricane. Or the nail costing a war. Or the snotling messing around where he shouldn't causing the rise of a different kind of hero... "Awigt den, come have a go, ya gits! Waaaaagggghh!"

No longer will there be the laughter of thirsting gods. Only their screams. Cover art done by 3D Vicens.

In the shadows of a world ravaged by the war, the inhabitants of the Millennium of Only War, learn that there is much of Terra's ancient past best left forgotten...

Issei missing, many have searched for him only to find nothing. Until Rias gets a mysterious letter telling her where she could watch the one she loves. Soon many gather to see what happened, that right baby it a reaction. Also, this is non-canon in the story, maybe I'll change that anyway scp themes.

What would I do in a completely unreasonable and stupid situation?

Book IV of the Infinite and Divine. A young agent of the Holy Inquisition finds herself on the trail of the most dangerous person in the Imperium of Man. As Cadia burns and the galaxy tears itself apart, a young interrogator searches desperately for Taylor Hebert.

Amir Azad didn't think he was anyone special, but fate says otherwise. Now suddenly armed with a strange Gamer System, Amir is thrust into a supernatural world that he had no idea ever existed, a world of Devils, Angels, Fallen, Monsters, Dragons, Myths, and Legends coming to life. What's a gamer supposed to do?

A man wakes up in the grimdark galaxy as the Great Other, Lord of Darkness, Soul of Ice, and God of Night and Terror. Unfortunately, he doesn't know anything about ASOIAF or Warhammer.

The sons of Dorn must fight a war not their own... In a new world. Rated T for violence, death, and profanity.

The Lichemaster mysteriously dies in a very inconvenient set of circumstances. To salvage the Barrow Legion, one of his acolytes summons a replacement. Fortunately, she succeeded in this endeavor. Unfortunately, he is not exactly what she was expecting, especially considering he was from another world.

The Foundation only concerns itself with its own devices. What if there are others who seek what they need? Four worlds. Four universes. Four realities. All connected through a mishap. Will the Foundation achieve what they sought for? Or will the other factions reach it first?

Chaos itself takes many forms that represent human subconsciousness and nothing stops it from taking more than one form or separating into multiple forms if it chooses. This is the leaks that affect reality in the realm of gods and titans in the form of children.

Honkai: Star Rail and Warhammer 40k Crossover takes place after the Borisin Arc

As the last of Noble Team finds himself alone and outnumbered by the alien hordes, he is whisked away in the slip-stream backwash from the Pillar of Autumn to the grim darkness of a world, that knows only war.

Flesh is weak I have always known that. Logic metal and steel are strength. They are right in how you must embrace the strength and certainty of steel. I need that more than ever because I'm now in a world that is out of my league. I have new enemies that hate me and who I am. I am stuck here in a place that isn't hope. Forever now till whatever end. Sort of self-insert Big AU

Horus rebelled against the machinations of Chaos and sacrificed himself for the Galaxy; Lorgar's Rebellion finally seems to have become a distant memory for the Imperium. On the 30th Anniversary of the Warmaster's death, a new swath of space would be found by accident, setting new possibilities or new failures in motion. I'm Antros. I'm back to remake my first story

(Friendly to 40k Newbies) An assassin from the 41st millennium is thrown through time and space into a world of Gods. A world where ancient Roman and Greek heros do battle against giants, but how will a transhuman killing machine adapt to such conditions. With nothing but in his faith in the God Emperor, will he help these demigods or suffer not their heresy to live?

The Emperor felt an indignation in the Imaterium in a distant, distant galaxy that could threaten the Imperium and sends its Legions to eliminate the threat. Imperium: The Emperor previously unraveled the plans of the Dark Gods and stopped them, saved the Primarchs and the Imperium. Join us in this rewrite of a story than transcends Galaxies

The Imperium of Man is dying. The 13th Black Crusade has shattered Cadia and many fear that Holy Terra will be next. But one man stands against the Despoiler: Lord Admiral Spire of Battlefleet Gothic, who spits defiance against the Warmaster. Can he and his allies destroy the Warmaster's fleet and will he redeem himself, or will he fail? (WARNING: CONTAINS LOADS OF HERESY)

The story of a Mercer-like shapeshifter struggling to survive in the grim darkness of the 41th millennium.

A certain Viltrumite finds himself in the grimdark galaxy we all know and love. How will his presence change the Milky Way Galaxy of the 40th Millennium? Follow a tale of redemption, glory, betrayal, and blood.