Crossover between two opposite universes and a collection of their most explosive adventures.

What happens when in a Hail Mary to destroy Vilgax in their final battle, that Ben is sent hurtling across space-time throughout the Omniverse; and finds himself not only in a different one entirely...but 30,000 years in the future...Well, strap in as Ben enters into the Great Crusade and battles against the Ruinous Powers. Rated M for Mature Themes and Violence.

Remnant, a world yet undiscovered by the wider galaxy that was content with its own lot, unaware of the powers of the galaxy, nor they it. Until a lone Astarte is sent there, secrets long buried, and a lineage long forgotten shall be revealed as the world of bloody evolution meets forces from a galaxy of eternal war.

As the Great Crusade grinds on, the Emperor has finally found the last of his sons. But unfortunately someone has been pulling the strings and now Chaos Undivided is ready to make it's move. Warhammer AU. M for eventual bloodshed. Also contains elements of Attack on Titan. Part 1 of the Rebellion series. Reviews are welcome.

Sanguinius. The Great Angel. Ninth son of The Emperor. Lies dead, felled by the hand of his twisted brother. Yet this is not the end for him. Awakening upon a different world, in a different time. Sanguinius must navigate this new life, while also recollecting the pieces of his shattered memory. All while forces both mortal and etheric plan for his destruction.

After preventing a Chaos warband from summoning a vast army onto an Imperial world, an Inquisitor in training is hurtled through the warp and finds himself in a strange new world, one in which there are people with incredible abilities. Soon he will find himself fighting a familiar enemy and in order to save mankind he will need to cast aside old prejudices. Now has a tvtropes page

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...

A fanatic technophile is granted access to the Celestial Forge and dropped into Worm. He immediately establishes his ultimate goal of making android waifus for himself, and bring about the betterment of mankind… but mostly for the android waifus. this is just continuation of the origin by Infonticus

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!"

Oneshot: And thus, came the last days of the Republic. And thus, came the first days of the Imperium. And thus, the mountains echoed.

A man once said that perhaps victory is in the simpler things; things that require a smaller, more honest soul. Will that be true in the grim darkness of the far future?

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?

When galaxies collide, the greatest heroes from each team up. The question is not if they can survive this strange new reality, but rather if this new universe can survive them. Featuring Ciaphas Cain, Jane Shepard, Peter Quill, Jack Cooper, Han Solo, James Kirk, and Master Chief John 117.

Following the conclusion of the War of the Thorns Azeroth is thrown into war while mysterious portals on mount Hyjal and in the Scarlet Monastery have allowed both the Horde and Alliance to make contact with another world. As the two warring sides increasingly involve this other world in their war the question looms if they are not poisoning their future for the sake of victory

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 in motion whole new possibilities or new failures. I'm Antros And I'm Back to remake my first Story

Old threats from Terra's past return to haunt a modernized world. And Rhodes Island is in the center of this, of course...

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

The long awaited sequel to UNSC Pheonix Rising. The fledgling Empire has survived it's birthpains, and now looks to the stars to rebuild what was once theirs...

A one shot meet if Magnus met General Radahn

From Space to Fantasy, the Chaos Gods had many incarnations playing on a different board yet playing the same game repeatedly. Until now, their concepts are thrust upon this game as the countless players in Hell to find their places within for they are no longer the Dark Gods.

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.

For ten thousand years, Humanity stood stalwart against its enemies, fighting for its survival. For ten thousand years, untold billions of souls fought against extinction, spread across a million worlds in an unforgiving galaxy. Thousands of nameless Imperial Guardsmen will die standing for a world they didn't care. Nevertheless, the flames of Humanity will burn bright with valour.

Cause and Effect. In Saving his brothers world. Naruto now must contend with the burning of his own. Will the people of Elementia survive the onslaught of blood and fire? Meanwhile, others have taken interest in the young primarch and his legion. As he struggles to find his way back home so too others struggle. The heresy burns brightly, as chaos laughs at the struggles of mankind

One of the God-Emperor’s 20 infant Primarch sons arrives upon the world of Avatar. His mere presence will change the status quo of the Four Nations forever, and drag the realm into a new era of war and imperialism, tearing apart the cosmos…

It is well known WH40K loans a lot of plot points from the stories of Herbert's Dune. So these 2 universes could coexist quite easily, but how would that look like? Well, wonder no more. I have added the world of Arrakis to the WH40K universe and now The Great Crusade(and Him) is arriving at the planet at a critical point in its history.