A Shield Against The Darkness (RWBY x 40k) [Slow Updates]

Chapter 1: No Respite

Y/N: Your name
F/C: Favorite color

3rd pov
They. Were. Endless.

For days Y/N and his allies held back the hellish terrors that assaulted them. Legions upon legions of Khornate dameons, cultists, and chaos marines crashed into their lines only to be repelled time and time again. Now, with the dawn of a new day Y/N readied himself once more by burning incense, humming a hymn, and finally making sure that the inscribings on his armor were undamaged. Studying himself in the reflection of his helmet Y/N was what could be considered handsome, he had a strong jawline, a symmetrical face, short F/C colored hair, and a pair of F/C eyes, as well as a scar running from his right temple to his jaw. Even so his appearance did not matter in the line of duty he was the Emperor's wrath made manifest, and that was all.

It was not long before the sirens sounded. Immediately Y/N slid on his helmet and emerged into the waking daylight. Around him hundreds of thousands of Guardsman rushed to and fro, each preoccupied with their own individual tasks. Quickly Y/N marched towards the front passing hundreds of pillboxes, miles of barbed wire, dozens of permacrete bunkers, and thousands of more different types of fortifications. Along his march Y/N would quickly be joined by his brothers. The first was brother Attilus, Attilus was Y/N's second in command and most loyal of comrades. Dressed in the standard Aegis pattern Terminator armor he wielded a Nemesis Force Halberd. The next to arrive was brother Latairn, similarly to Attilus, Latairn was also outfitted with Terminator armor although in terms of weaponry he instead opted to use the crushing power of the Nemesis Daemon Hammer. The third to arrive was Barachiel, just like the last two he was dressed in Aegis Terminator armor, his choice in weaponry was vastly different however. Barachiel would wield a Stave as his weapon something that could be used for attack but was primarily used for its powerful defensive abilities. Last to arrive was their newest member brother Maekus, Maekus was a bit of an oddity he wielded a set of falchions preferring to unleash a fury of blows upon his enemies before they could even fight back. This was not the oddity however, unlike most Grey Knights Maekus did not wear Terminator armor he wore Aegis Power Armor instead. His reasoning was the sacrifice of protection for speed.

Lasty stood Y/N, unlike the other four  Y/N's armor was completely unique. Similarly to Maekus Y/N initially wore a suit of Aegis Power Armor. However, over the years his armor would become so heavily modified it was not considered Aegis armor anymore thus giving it the title of Artificer armor.  Y/N's armor was fundamentally different than the others for a multitude of reasons. The first being that the helmet  had all of it's targeting sensors replaced with superior ones as well as granting Y/N even greater control of his armor with his auto sensors. Second was the armor itself, along with the materials used being stronger than standard power armor there was something else. Between the Adamantium and Plasteel plates sat another metal known as Trilastis. Just like the last two Trilastis was incredibly strong but was settled between the two layers making it only a quarter of an inch thick. The main purpose of Trilastis was not it's defensive properties, no it was it's effect on the Warp. Trilastis was extraordinarily rare meaning that there was very few in supply but it's benefits were incredible. This metal allowed one an extreme amount of protection against psychic attacks bolstering the already impressive wards, inscribings, seals, and other defenses that assisted in that task. It also allowed one to trap the Warp within ones own armor effectively storing it and allowing one to use the reserves to unleash an extremely powerful psychic attack or using it to bolster ones own psychic prowess similarly to that of having multiple Grey Knights near each other. Third was Y/Ns power pack, it had been modified to last longer and was now able to switch out parts to take other sources of energy. Finally was the Iron Halo sitting atop his back which projected a Conversion Field allowing Y/N to take more damage than normal Astartes. Last of all was Y/N's weapon of choice the Nemesis Force Sword, it was a longword made out of tempered iron and shards of silver with runes carved into the material itself. He had chosen this sword and had been with it ever since his ascension into a Space Marine. Dutifully Y/N had named his blade Ultrix Ignis after his first mission as a Grey Knight.