This story takes place in the universe of 40k. The only major difference is that all primarchs are female. Y/n is the recently installed commissar for the Astra Militarum Armageddon Steel Legion. He sees his fellow men die by the thousands due to poor equipment. He seeks to solve this by creating a new armor pattern...
A soul from our world suddenly finds himself in Issei's body. Having a helpful system and one of the strongest sacred gears in the universe he chooses to aim for the top, of course, he doesn't plan on doing it alone... A/N: Mild amount of smut/lemon
Issei finds himself waking up in a destroyed and decaying hospital and quickly learns that the world had fallen into ruin by an unknown entity that had flooded the world with magic. No place was left unaffected. Now Issei, without his partner Ddraig, must navigator this broken world as he tries to find his loved ones...
Selene is accidentally killed in a assault, surprisingly for her, instead of dying, she meets with a strange figure, that reincarnated her in the world of DxD. Her new world is a place of many dangerous, but thankfully for her, when she was reincarnated, she got some small changes on her, those being a new body and ne...
After the Horus Heresy. The Emperor of Mankind in his last ditch effort to keep The Imperium going he gave his successor his powers and most importantly his life so he can rebuild the damages to the Imperium. But what he didn't know that this will cause a shift that will change the Galaxy Lucien, Now the Emperor's Suc...