When a battle against the daemonic entities of the Warp casts Brotherhood Champion Y/N L/N into a strange new world. Will he keep his faith strong and route out the darkness or will he succumb to the perils of the World? I do not own RWBY or wahmmer 40,000. They both belong to their respective parties.

In Hell There Are A Lot Of Demons...But In Remant...There Is One Demon That Everyone Fears...Salad Uh I Mean Salem The Bitch Is OP As Fuck And She Thinks Shes Some Kind Of Demon Goddess...Lets See How She Feels When She Sees 'Him'.... THEMOTHERFUCKINGDOOMGUY!

A Gate opens in Prospero and a feudal army attacks the populous, now the imperium is pissed and the XVth legion has been deployed seeking vengeance against those who dare attack their home, now the empire in falmart better repent for soon they shall die! this is a spin off of, into the new world and it isn't cannon for that story either so fun

Magnus the Primarch of the thousand sons has came up with a dangerously stupid yet smart plan. Head back in time to stop Horus from betraying the Emperor. But the gods of chaos aren't really into that so they send him back in time, but also in another universe. Now he can't return home but he can make sure things go right in this universe however

The Ark was destroyed and with it, the threat of the Flood for the Galaxy. The Covenant splintered and disordered. Humanity now has the chance to rebuild and strike back against anyone that may threaten them again. But it came at a price with the Sacrifice of the men and women of the UNSC. One of them being the last of the Humans to stay and fight to give the others a chance to escape. Sargent Major Avery Johnson was one of those men. he fought and died to destroy the Ark. But... he didn't. Our War Veteran wakes from the brink of death to find himself in a new world, in a new Galaxy. in a new war that he didn't need to fight in. Yet when a small village is about to be destroyed by robots... he just can't refuse. But when Magic aliens start swinging swords of light and lifting stuff with their minds, things may just get a little weird but our War Hero will create an unbalance that the Galaxy has yet to know is coming.

(Y/N) was just a normal teenager. That is until he learned that his father was a wizard not only that but a wizard criminal named Sirius Black now he has to enter Hogwarts school of Witchcraft and wizardry as well as help in the war to come. Follow your journey with the Golden trio, the Weasleys and even the Malfoys.

(this is pre heresy where the imperium is at it's strongest) When the emperor heard wind of another Human Colony he dispatched Horus and Gulliman to take it. But found his son among the colonist that was conquered. Now he leads the Sons of Malice, but the imperium meets another galactic power called the citadel council.

Guilliman and Ultramarines legion in the 42nd M have been Transported to the Halo galaxy they will meet new friends and foes And what will the UNSC and Covenant reaction to this new force?

We won in World War II, we won World War III, we even won against the mind-controlled maniac. The war is upon us once more, an unknown gate appears in Japan and some army appears from the Gate and attacks Japan. We must rally all allied nation to counter them and make sure such an event doesn't happen again.