A serie of one shots that expands on the universe around My Hero Academia and Warhammer 40k Crossover. Through the eyes of side-characters of the main story, OCs, and even characters from 40k novels, discover the harsh reality of a world at war.

The existence of digital lifeforms are a highly guarded secret within the Imperium, one a Rogue Trader's child unknowingly stumbles upon right before the Tyrranid invasion of Kadaku. During the chaos, ancient digital threats begin to emerge, and another Tamer is pulled into the grimdark universe to assist humanity all the while dodging discovery from the Inquisition.

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

The Adeptus Custodes. The Talons of the Emperor. The Emperor's Legion. Bar the Primarchs, the 10000 are the greatest warriors sworn to the Master of Mankind. For so long they did not concern themselves with the galaxy beyond Sol, after the Fall of Cadia they now depart the Throne World to wage war. One of their kind finds himself in a galaxy so very different from what he knows.

Tanya in 30k as a Primark, (we're just having a good time here, having fun with the concept don't think too hard about it)

Scattered, in a world where their emperor never existed... The Ultramarines have but one purpose... Protect humanity and act among them. Rated T for violence, death, and profanity. Please ignore the latest review. I have blocked that user for insulting words and feelings i do not support.

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

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

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 …

Gork and Mork witnessed the end times and what they've seen has enraged them. After all, what fun was there in the world ending if there was nobody around to fight? Desperate for a solution that their boyz couldn't give them, they chose to turn a human into a goblin with a very simple demand: Take Eight Peaks to create a Waagh to fight the Everchosen, or stay a goblin forever.

The Imperium of Man arrives in the Mass Effect galaxy, igniting war with the Citadel Council. As the Imperium sees only heresy, the Council scrambles to survive. The Reapers, faced with an empire that defies their cycle, prepare to adapt. With war looming, the fate of the galaxy hinges on whether diplomacy or extermination prevails.

After being spat out as the sole survivor of a roc crashing onto an unsuspecting planet, an ork boy is going to look for a good scrap... oh and there's a gretchin too, doesn't count as a survivor though. Now, what in Gork's teeth is a mamono and why do those gits look at them funny? Are dey lookin' for a foight! WAAAGH! (Rating will likely change to M for Mork)

He is the Omnissiah in living flesh, the synthesis of man and machine. With the arrival of the Machine God's physical embodiment in the universe, a new age has begun. "THE OMNISSIAH LIVES!" "I'M NOT THE OMNISSIAH!" "HUMBLE IS OUR LORD. PRAISE HIM!"

Kushina Uzumaki uncovers a shocking betrayal and races against time to protect her homeland. A massive battle erupts as powerful forces clash, but an unexpected presence changes everything. With the fate of her people at stake, a new path emerges—one that extends far beyond the world she once knew.

An'ggrath continues a bloody crusade through Imperial space and no one can stop his wrath. The last planet of the sector is about to fall but from the ashes and flame he shall rise again to Rip and Tear until it is done, it is never done. The war is just beggining as the Doomslayer resumes his eternal battle once again

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.

During a recovery mission an Ultramarine finds a strange tome that teleports him to Melromarc. Soon, Naofumi finds himself leading an army against the waves. will the ultramarines be enough to turn the tide or will Melromarc fall to ruin

Four unsuspecting gods, their renown known galaxy wide, found themselves at the butt of a mortals whims, as they found themselves in the past. Alone, and at the mercy of the resident Gods.

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

A young Death Korp soldier, in a battle with a follower of Chaos, ends up swallowed by the Warp. By a stroke of luck, he's sent to Earth, to a world without an Emperor, to a world where villains and heroes battle it out across the globe. With no Emperor to serve and no war to fight, this young soldier must struggle to find his own path in a world that challenges all his beliefs.

Después de los eventos del portal y el sacrificio de la reina Ángela, algo ha encontrado Etheria y pondrá el destino de dos mundos en las manos de alguien inesperado. Poderes antiguos han despertado. Los Vientos de la Magia soplan y pronto se cernirá una era de horrores y maravillas. De dioses y héroes

(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?