Doom Slayer is yanked into 40K. They are all fucked.

Alright first I always like the lizardman from Warhammer 2 & 3, and then I realize there not much Warhammer crossover. So I decide to make a crossover with my favorite anime, overlord, alright all image I use go to the creators, alright so this might have slow update

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.

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.

He dies in one world and wakes up in another one entirely. Satoru just can't seem to catch a break.

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?

The King of Curses awakens... but, there's just one problem. He has no idea where he is and how he got there. He's also pretty sure that he's on another world entirely in a body that wasn't his. Or how the dude who likes cutting things in half wakes up in the Grimdark Galaxy.

A fluke in the system results in a very lucky, or unlucky, depending on your point of view, guardsman suddenly gaining gamer powers. What will he do? How will the galaxy react? Who knows?

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.

A lone Dark Angel lands on a world with a broken moon. The world of Remnant. Master Lazarus of the Fifth Company battles foes old and new and must keep the secrets of his chapter hidden from all. But this world has secrets of its own. Secrets a small inner circle use to fight a shadow war. The question is if the world is far too lost or can it be saved by an Angel of Death.

Cuando un viaje de regreso a casa tras enfrentarse y volverse aliado del Demi-Fiend termina en otra parte, el legendario cazador de demonios termina en el futuro distópico del Milenio 40 dónde verá que hay más de lo que desconoce sobre su familia y sobre él ante la humanidad.

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.

This is a "What If" story that features the primarchs of 'Warhammer 40k' being reborn as girls with quirks in the world of 'Boku no Hero Academia'. Yes, really. Cross-posted at AO3.

An account of the adventures of one of the Emperor's Adeptus Custodes, and his attempts to accomplish his sole mission in a universe where that matters little. While introducing the grim darkness of the far future to Citadel Space, his journey leads him along an unexpected path.

Hashirama Senju, the God of Shinobi, wakes up in the 30th Millennium, in a desperate Hive City during the Siege of Terra.

On the world of Praxis Quartus, a planetary governor panics as a new planet has suddenly materialized in his solar system. Within the Praxis system, a disgraced inquisitor has a near heart attack at what he believes to be an incursion of Men of Iron. And on Copper 9, at the sight of a purple sky and the sun being replaced by a much dimmer one, Uzi cannot help but scream.

El dios tzeetch viendo en el velo de realidades vio la magia de ydrassil , el como el dios de la magia y el cambio quizo su magia asi que trajo al nuevo mundo del mundo de overlord pero perdio un poco la conexion con el al traerlo por subestimar la magia de ydrassil

He awakens in a forest with no memories of who he is or where he came from. But when he learns of the danger people are in, he will do everything he can to save them. No matter the cost. For in this new dark age where this is only war. A Hero will come to bring peace. A.U: In his prime Superman arriving in place of the Lion. HEAVY inspirations from 'The Lion: Son of the Forest'

A man wakes up gets the god eater system. Rated m just in case because Warhammer

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?

In another universe, humanity lies under siege by the forces of chaos. With millions dead and the heroes unable to stem the tide, things begin to look bleak. However, the battle soon draws his Majesty's attention, thanks to the presence of one of His faithful. With it, he sends his forces to crush the servants of the Dark gods and answer his most faithful's prayers. Image not mine.

Its is the 42nd millennium, and it is Winter 1207. Rean Schwarzer's sacrifice failed to stop Erebonia's rampage, and Zemuria burns. Meanwhile, the endless wars consuming the Milky Way continue on. A group of the Imperium's finest meant to fight in one war finds themselves in caught up in another. Post-CS4 Normal Ending and Space Marine 2 (and the Secret Level 40k episode).

Born of heroes, yet forged in suffering. From the union of two of the greatest shinobi came three children. The youngest, consumed by arrogance, basked in the rot of unearned privilege. The second, cherished and protected, grew under the warmth of love. But the firstborn... But the galaxy is vast and its plans unknowable. Just as the abyss threatened to claim him.

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!"