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!"

In the midst of a world governed by quirks, Izuku Midoriya emerges as a late-blooming prodigy harboring a quirk unlike any other. A semi-sentient quirk where there is only war. In his journey to become a hero, he will face both the dangers of the villains that lurk in the wild, but also the dangers created by his own quirk. Will he succeed? Or will he become a puppet of his quirk?

Con la gran cruzada en su pleno apogeo, el primarca Sanguinius de los Angeles Sangrientos encontro un planeta limpio de la mancha del caos y de otra forma de vida Xeno pero con una cualidad algo peculiar que es desconocido incluso para él y sus hermanos. Un mundo donde la humanidad ha desarrollado poderes asombrosos y creo campeones de la justicia. ¿Que futuro le deparara?

Not all men are created equal.. especially when one looks back into the lost history of the world. Izuku Midoriya will soon discover that even the most powerful quirks around will pale in comparison to even a fraction of the power from the old world. How will this impact our usual cinnamon roll? Will Inko let heads roll? Who will steal the kings heart! find out more inside!

Izuku's been analyzing his peer's quirks, when Kinoko Komori's turn arrives he has an idea.

Izuku has been quirkless since he was born, a rare condition since the emergence of quirks. However, he holds a heritage that’s superior to all, the blood and power of a Primarch

We know what happened to the Lizardmen, so how about the flamboyant pointy-ears of the Asur. After the End Times and the events leading up to Age of Sigmar, some elves decided to go to the My Hero Academia World to recreate Ulthuan as told by their creators Tyrion and Teclis. Perhaps they could have diplomatic relations this time around... after reminding the mon-keigh their place.

Deeply pious, fanatically xenophobic, unflinchingly loyal, and dedicated to the Emperor and the Imperium, like a good Human, Izuku doesn't question the many issues that exist within the empire of Man. Finding himself faced with an alien race that is what the Imperium is supposed to be, he finds himself forced to question these traits.40K Trade fic,shipping extremely lightly implied