This story will take place with default male Shepard (mostly paragon with some renegade)

Shepard is in a relationship with Tali in this story. If someone wants an alternate version of this story just ask! ;)

Anyone familiar with Mass Effect will know what I'm talking about above. This story takes place during the events of ME3. Mass Effect belongs to Bioware, and Invader Zim belongs to Jhonen Vasquez.

The Cerberus troops shambled across the torn up battlefield of Firebase Jade to try to at the least hold back Commander Shepard. Just a few hours ago admiral Hackett informed Shepard that Cerberus was using some form of unknown technology. Possibly reaper, or maybe something else.

An injured Cerberus Centurion limped into cover and activated his communicator. He coughed and then began to speak. "We failed. Send in the new experiments." The Centurion then pulled a gun up to his head and shot himself.

Shepard, Javik, and Garrus wiped out the last of the Cerberus troops. "Commander! There are more heading our way!" shouted Javik. A Cerburus shuttle flew onto the battlefield. As it opened Shepard noticed some unusual looking troops. At first they appeared to be phantoms, but it was soon clear they were too short to be phantoms. They also had antennae which Shepard thought was very strange.

Garrus fired a concussive shot knocking one of them off the shuttle but they soon scattered and were moving very quickly across the battlefield. Shepard and his team struggled to hit any of the strange new enemies as they darted across the battlefield firing powerful weapons Shepard had never seen before.

Garrus managed to hit a lot of them with his Black Widow sniper rifle, but Shepard and Javik struggled because they had particle rifles. They managed to melt a few but not many of the strange creatures. Eventually they had all been eradicated. Garrus got most of them and bragged about it while the team searched for the unknown tech that was reported.

"This must be the kind of tech were looking for." said Shepard as he picked up a strange purple rifle with strange symbols on it. After a few minutes of searching Shepard and his team found a door that could be bypassed.

Shepard quickly bypassed the doors security and went in to see what was hidden behind the door. The room was filled with purple technology and strange symbols much like the gun Shepard recovered. "Well maybe we'll get lucky and Leviathen can explain all this crap." Said Garrus in his usual sarcastic tone.

Shepard picked up a small device and examined it for awhile but eventually stored it away. "Sorry Garrus. This is not from Leviathen's race, or any race we've ever seen before." Said Shepard. "Shepard. Look at this." Said Garrus .

Garrus was standing behind one of the computers looking at an extremely large fleet of ships with a massive flagship in the center. "Garrus copy these files to our omni-tools. We'll need to trace where they're coming from later.

"Hey. The screen just turned red and started to beep. Oh shit, that can only mean one thing." Said Garrus. Shepard looked at the monitor then shouted to his team. "RUN!" Shepard and his team ran out of the purple room and dived to the ground just outside of the room just as it exploded.

Later on the Normandy Shepard spoke to admiral Hackett about what they found. "So we have records of a large fleet that could either wipe out the reapers or wipe us out, and a very powerful new gun. This is race we've never seen before. It seems they usually operate outside of the Milky Way but for some reason they've shown up here and Ceberus has captured and repurposed some of their soldiers. This is too big to ignore Shepard. You have to try to get their support. Hackett out."

So with that, the Normandy traveled to where the strange fleet was last located. In the meantime Shepard headed down to engineering to talk to Tali about the recent events. "I don't know Shepard. A fleet that powerful. We don't even know what they want. I think it's too dangerous."

"Tali. We need anything we can to help fight the reapers. I know your worried about this, so am I. There is no telling what a ship that size could do. But if they are interested in helping us, we'll have the reapers backed into a corner. We'll finally be able to start going on the offensive in this war while the crucible is being built." Said Shepard.

"I don't know Shepard, just please be careful. Your really pushing it you know, almost getting yourself killed while going after Leviathen now this. You better not die on me." Said Tali. "Don't worry. I won't." said Shepard giving Tali a comforting hug as he said that.

Shepard went to get Javik's opinion on the topic, expecting his usually negative view on things. He'd probably say he needed to destroy the fleet. Javik was washing his hands like he always did when Shepard walked in. "Ah commander. This fleet we've found. It could potentially kill thousands of reapers. I think you should find a way to fool these things and throw them at the reapers. We don't know them, they don't know us. Their casualties would not matter."

Shepard wanted to talk but said nothing and headed back up to deck two. "Commander. We're getting a transmission from the flagship. Looks like it's only compatible in video form. Patching it through." Said Joker.

A large monitor came down above the galaxy map. Shepard had never seen it before. Must have been one of the lesser improvements made to the Normandy, Shepard thought. Two green figures with antennae, one with red eyes, the other with purple eyes appeared on the screen.

"What the-? A human? We haven't seen humans in almost 200 years." Said the Purple eyed creature. "I'm Commander Shepard of the human alliance vessel, Normandy SR2. We're at war right now with something we call, the reapers. They come to our galaxy every 50,000 years to extinguish all life."

"Wow that's, really weird. Well the reapers as you call them have been giving us trouble as well. Our homeworld, Irk was taken, despite the fact that it's not even in your galaxy. So we've decided to attack the reapers in this galaxy. That's all we will say over this channel." Said the red eyed creature.

"Well there is a place aboard my ship where we can discuss this." Replied Shepard. "Okay human, but don't blame us for bringing guards, we don't exactly trust you." Said the red eyed creature.

The large flagship then docked the Normandy and a few of the creatures with weapons guarded the two tallest of the creatures. "Ah hello Commander. Well I think I should explain what we are and the way our race operates. We are the Irkens. We conquered about three galaxies outside of yours. I am Tallest Red and my partner here is Tallest Purple. Our race chooses it's leaders based on height. Well that's pretty much it. We also clone all of our troops giving us a very large amount of soldiers. That big ship out there, it's called the Massive. Every Irken also has a PAK which functions as most of our brain and life support."

"Well we have plans for a device that could potentially wipe out the reapers in our galaxy. I'm not sure if the blast from our weapon would reach your planet but if you could use the Massive to point one of the Mass Relays in our galaxy towards your planet I think that the blast may be shot to your planet. I'm not sure though."

"Hmm. Let me see the plans for this device." Asked Tallest Red. Shepard then pulled up a hologram of the crucible. "Well that other human who asked for our help doesn't have this. It sure looks like it could destroy the reapers." Said Tallest Purple.

"Wait someone else asked for your help?" asked Shepard. "Yes. He called himself The Illusive Man. He runs something called Cerberus. When we declined helping him he began to abduct our Irken Elite soldiers, so that's why we don't exactly trust humans." Said Tallest Red.

"Well, what exactly would it take to get your support in building the crucible and with fighting the reapers?" asked Shepard. "Well, we do need someone to help rescue some of our Irken Elites from reaper and Cerberus forces. But most importantly, we need you to take someone off our back." Said Tallest Red.

"What do you mean like, a soldier or something?" asked Shepard. "You could say that. But you can use him as a shield for all we care, we just need him out of our hands. We've kept him in a stasis pod for almost 200 years when we deemed it would be to dangerous to simply keep him as a prisoner." Said Tallest Red.

"Dangerous? Just how dangerous is this person you're telling me about?" asked Shepard. "Well, uh... you see he's very unpredictable and has caused us a lot of trouble." Said Tallest Red. "You should also take anger management before you meet him because he can be, well let's just say he'll give you a headache." Said Tallest Purple.

"Well I'll take him if that's what it takes to get you to help us. I mean he can't be that bad, can he?" Said Shepard. "Oh if you only knew. Well you don't even have to take him out of that stasis pod he's in but you just need to keep him as far away from us as you can. And please, try to get him killed." Said Tallest Red as Him and Purple got up to leave.

Soon after, two Irken soldiers brought the pod onto the Normandy. Shepard pointed them to the elevator and they brought the pod to engineering and placed it in port cargo with Javik on the far side of the room away from Javik.

Shepard looked at the pod for a minute. It had Irken symbols on it which appeared to be a warning. Shepard could see nothing inside the pod but could tell by it's size that it contained something very short. "Javik. Can you tell me anything about what's inside this pod?" Asked Shepard.

Javik walked over to the pod and looked at it for a moment before resting his hands on it and closing his four eyes. Javik quickly snapped away from the pod in shock. "I sense much frustration and anger. Whatever is in there is insane and has no understanding for anything it sees." Said Javik.

Shepard sighed. "Well thanks anyway Javik" said Shepard. "Commander." Javik said returning to washing his hands. Shepard looked at the pod once more. He saw a button on the side. He pressed it and a hologram of warnings in the Irken language appeared and Shepard ignored them and pressed the button again.

The pod began to make whirring sounds and blast out steam. "Commander. You have made a grave mistake." Said Javik. Finally the pod opened and a small Irken emerged. Shepard looked at it for a moment.

The small Irken looked around for a moment then suddenly a evil look went over it's face and it began to speak. "I AM ZIM!"

Well theres the end to chapter 1. Remember if you want an alternated version with a different Shepard just leave your request in the reviews or if you have an account then P.M. me. Hope you all enjoyed. Let me know what you think!