Some time between TPM and ATC, a hyperdrive malfunction results in the return of a long-lost ship from the ancient Sith Empire, carrying the dreaded Darth Cain, whose reputation in the Old Republic was matched only by his imposter syndrome. Needless to say, this throws a wrench into the plans of Darth Sidious …

As old stars flicker and ancient powers stir, a spark ignites between two great civilizations—one forged in faith and fire, the other in diplomacy and design. In the void between worlds, first contact becomes a crucible. What emerges will reshape the fate of the galaxy.

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!"

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

The Emperor wasn't sure how he ended up in a different universe, or what the parasite leeching off Humanity was. But he was the guardian of Mankind, and there was at least one person on this world worthy of taking up his mantle.

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.

The starks are Wolves, wardens of the north. The Night King claims to be the Lord of Ice. Leman Russ is the wolf lord of all that is Frozen. This is my attempt at a leman Russ isekai into Westeros. Mild AU. Pour a drink, lay back, and enjoy the ride. It's going to be wild. Criticisms and Reviews are welcome.

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

A warp storm engulfs the Endymion Sector, flinging the Carcharodons, Deathwatch, and Salamanders into a new galaxy—just before the Clone Wars. Stranded and cut off, they must navigate a galaxy on the brink of war, torn between survival, conquest, and duty, as the Jedi, Sith, and rising Empire become entangled in their fate.

(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?

Taylor Hebert had a great destiny, upon which much rested. She was also a latent psyker, too weak to ever awaken her potential. In the most critical moment of her life, these two things, combined with a plea for help made with dying faith, drew unsavory attention. A gift was given, a gift that was also a curse.

Trapped in the locker, Taylor felt her body rot away from infection and infestation. It was within this coffin that she learned of the weakness of flesh, and the strength of steel. Mechanicus Tinker!Taylor.

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

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.

In the darkness of the Wolfswood, Arya Stark discovers an ancient, long forgotten secret that will change the future of the whole world.

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?

Harry Potter returns for his Second Year at Hogwarts, and the Chamber of Secrets has been opened. But that is not the only thing that has changed. In the 31st Millennium, history has been rewritten, and nineteen young Primarchs have been blasted back through time to the close of the 20th Century, hidden far from the Ruinous Powers. And they too are attending Hogwarts this year!

Scion's threat to all the Earth's has consequences that few foresaw. From the grim darkness of an endangered alternate universe, a girl called Taylor Hebert receives a care package of sorts. Three species' worth of super-tech has to be better for her than "bugs"... right?

After a mission to destroy a Heretek lab ends in warp trickery, Explorator Tech-Priest Novus Octavion finds himself thrust far into the past of Mankind.

Sanguinius manages to overcome Horus and with his final breath, he saves his sons and the Imperium, yet his soul is not taken by Dark Gods. Instead, he is reborn in a universe, where Humanity is only making it's first steps into the Galaxy, and is fighting the First Contact War. Imperium and Emperor are gone, but Humanity is here, and the Great Angel will never abandon it.

A joke of Chaos daemon sent two unlikely allies - an Eldar Farseer and an Imperial Storm trooper, through the Warp and into another Universe. In this place, everything is alien to them. Except for one thing - war. War is something they know very well. (Story adopted by Regina Dea. New author starts from Chapter 21)

Taylor has been cursed with a kleptomaniac robot skeleton living in her head. Shenanigans ensue.

Unwillingly torn from their beloved Empire by a scheming elven goddess, Emperor Karl Franz I and the remnants of his battered Imperial force found themselves stranded on a world yet untouched by the foul grip of Chaos. While the new lands seem peaceful at first, the sons of the Heldenhammer would soon find to their dismay that corruption and strife lurks in Westeros all the same.