I do not own RWBY, Red vs blue or Halo
A broken man stood under the shatered moon, observing his target and preparing to strike. He had two minutes left before the mission began, so he verified his equipement. M7S? Check. Armor? Check. High impact rounds? Check. Explosives? Check. Detonator? Check. Knife? Check. Data Transmitor Unit(DTU)? Check. Mask? Check.
After his last verification he nodded to his sniper and lunged forward from the roof he stood on onto an alley behind a warehouse. From there he entered trough a backdoor and moved toward the nearest of the six support beams to plant an explosive.
After successfully avoiding the White Fang patrols he planted the first explosive and then did the same for two other support beams without any complications.
It was only when he tried to get to the third one that he faced an obstacle, a particularly alert dog faunus who blocked his path. The infiltrator quickly analysed his options, he couldn't shoot the guard nor could he kill him because the noise of his submachinegun even supressed would alert the others and they would compromise the mission. While on the other hand killing him with his knife or by breaking his neck could cause problems if the body was found or if they saw the blood.
Looking around him he found a pebble and threw it in a place outside the field of view of the other White Fang members to distract the guard, which it did, and when he got there the infiltrator silently knocked him out and positioned him to make him look as if he decided to take a nap.
With the obstacle out of his way he planted the remaining four explosives and then moved on to his principal target, a computer used by the White Fang to comunicate between branches.
He sneaked into the computer room, which was a small room whose only defining feature was the monitor and the keyboard, and connected the DTU to the computer.
But before he could turn to defend the door he was faced with three guards. One was a male snake faunus with a large tail, another was a woman that had cat eyes and the third one was the guard he knocked out. They all looked like they were happy to kill the human who tought he could simply infiltrate one of their bases, but that happiness left them as soon as they saw his mask, a black mask with a blue drawing on it that looked like a wolf's face.
It was his mask, the mask that belonged to the one who fought them, who hunted them and who killed them with brutal efficiency. It was the mask of the man who was known only as the Blue Wolf.
As they stood there terrified, he raised his gun and killed the woman with a short burst and with another burst he killed the snake faunus, their untrained aura shattering under the impacts of the bullets. Only the dog faunus had the time to fire at the Blue Wolf before being killed and even then the bullets only hit his aura, and even if it would have broken trough it, the bullets would have been stoped by the helmet that covered most of his head. They never stood a chance.
The Blue Wolf glanced at at the DTU and saw that it had taken everything on the White Fang computer so he took it and activated one of the explosive charges
Using the Chaos as a distraction he proceeded to leave while wounding or killing everyhing that stood in his way with ease until he ran into a lieutenant. He was tall, muscular and looked at him with pure rage.
He raised his spear and charged at the Blue Wolf with an impressive roar, but he didn't even close half of the distance before an explosive sniper round hit him in the head, shatering his aura and leaving him defenceless against his oponent's gun.
After eliminating the lieutenant he ran out of the now burning warehouse and activated the rest of the explosives, destroying both the warehouse and the computer while also killing most of the White Fang personel in it.
''Thanks for the help West.'' He said, in a deep voice, after reaching a was a small apartment filled with a few weapons whose purpose was to serve as a hideout or to ressuply.
''Always a pleasure wolfie. Hey next time...'' he continued only to be cut by a third voice. ''Guys, I took a look at the data, there's a lot of it and it's heavily encrypted. It could take two or three months before I can decript it and even then it will take a while to look trough all of it.''
''So what de we do until then?'' Asked the sniper.
''We wait'' Said the Blue Wolf as he removed his mask, revealling burning orange eyes.
Author's note : Hi! This is my first fanfiction and I would like to have constructive criticism. Also, I would like to point out that English isn't my first langage, even tough I consider myself to be at least decent with it, so don't hesitate to tell me if I get something wrong. Finally, the AU and red vs blue crossover is heavilly inspired by the one that GaryOkampo created for Freelancer to hunter (Which I recomend because it's really good).