The Citadel Council and the Systems Alliance fight for survival against the Reaper onslaught. However, the UNSC, politically divided and still recovering from the Didact's assault discovers a Mass Relay that will force them into the fight and change the course of galactic history forever. The Reclamation has already begun, and we are hopeless to stop it. ME3/post Halo 4

Commander Shepard and his team have gathered together the races of their Galaxy in an effort to defeat the Reapers. But is it enough? When the team comes across a strange woman they find out that if they are to truly defeat the Reapers once and for all. They will need all the help they can get. But not from their Universe. Multiverse Crossover! Chapters 6-22 Being Rewritten!

After discovering an ancient artifact, the UNSC's most advanced warship and a Sangheili Assault Carrier are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined.

Harry Potter, son of Hades, last year forced out Albus Dumbledore and the wraith of the Flight From Death, fought monsters and made new friends. This year Harry returns for his third year at Hogwarts School of Witchcraft and Wizardry what does fate have in store for Harry and his friends this year. Book 3 of the Prince of Death Series

During a Joint Deployment, the UNSC Infinity and Her Sangheili allies are suddenly thrown into a new Galaxy, and end up near Charon before the Systems Alliance discovers the Charon Relay. Alliances are forged and how will the galaxy react to an aggressive humanity that not only doesn't use Mass Effect technology, but will not let anyone stand in their way of expansion? AU PreME1

After a long, terrible war, the Federation of Sovereign Empires forms as the product of the alliance created early in the Great War between the Covenant Separatists and the UNSC. Time passes as they progress greatly, eventually discovering the existence of other galactic governments. The events that will follow will change the course of the galaxy in more ways than one. PART- 3

Emile survives the two zealots at the end of Reach, and after surviving Covenant onslaught, finds himself in the ME universe. Kick-ass picture is thanks to freejimmy on deviantart

Multiple crossovers AvP,RvB, JC's Avatar, Star wars, Halo, Mass Effect and more. Authors 2nd apology and Cancellation on chapter 14

"Where does all evil come from? Where does it originate?" There are forces far more ancient, far darker, than the Reapers and Flood. Peace is over. Commander Sheaprd will be faced with new threats and challenges, ones that can transcend reality, ones older than the Universe itself. Multiverse crossover

A Sith Lord and his slave escape the end of the Hyperspace war, only to be brought into a new war that threatens yet another galaxy. Can Commander Shepard and her crew get along with a ruthless, scheming super villain with superpowers. find out. This is my first FanFic so please criticize my work so that i can aim to be better. expect some FemShep x Garrus

After the destruction of Requiem, the Covenant Empire collapsed and together with the UEG formed the Systems Alliance. After discovering an unknown cache of hitherto unseen before technology and the discovery of what is to become known as 'Mass Relays' the face of the galaxy will be changed forever.

Fate is inevitable, it is determined by the variables that make up the equation that leads to it. However a new variable can greatly change the path, and an ODST is a powerful variable.

Ten years have passed since the Human-Covenant War ended and the birth of the Species Assembly has brought peace to the Galaxy. Or, at least their part of it. The discovery of a Mass Relay sparks yet another war that will have consequences for all sides involved. The Galaxy will never be the same. Disclaimer: I do not own the franchises.

Humanity is at a Golden Age of society, with all bigotry and racism removed and scientific marvels are steadily discovered and recovered from the past. All three sects of man have been found and joined after the seeds were spread across the stars by the Forerunners. However and new threat arrives to threaten the peace. AU. Rated M for all the right reasons.

The Great War has ended. Spartan S-989, Marcus, is one of the many Spartans now in service to the UNSC and it's allies. When he and his companion AI, Ariel, encounter an unknown installation they're ordered to investigate. When the installation hits them with an energy pulse, their slipspace generator malfunctions sending them further than they could ever imagine.

It has been 40 years since the Great War ended the UNSC has faced and defeated numerous threats. They are the inheritors of the Mantel and the Forerunners have challenged them to claim. Set in Mass Effect 1, it shows the UNSC reconciling with the Systems Alliance, the Citadel Council, and the Reapers as the UNSC and its Allies, the Imperium try to claim and uphold the Mantel.

After 100,000 years of Atonement, the Forerunners arrived at the Mass Effect Galaxy. The Reapers threaten every organic life, and in the hands of the Iso-Didact is the fate of his people or this new galaxy. Set in Pre-Mass Effect 3. I do not own the Halo series or the Mass Effect Universe.

Commander Shepard has stopped the Prothean slaves, the Collectors. Meanwhile, The Master Chief and Cortana stop the Didact from destroying humanity and pay the price of heroism. Death, or do they? How will Chief and Cortana react with this different past, while holding their secrets close. Post ME2/Post H4

Yet another creation of mine to help ease my mind, I hope that everyone does not mind seeing this one. I know there are a lot of crossover with Mass Effect and Halo, but no sense not trying a bit of it in my free time. Story on Ice, Updating all NON Halo stories is priority now.

AU. Fredrick Chase and Sally Jackson both died when Percy and Annabeth were babies. They grow up as siblings, raised by an Olympian goddess and this is the story of how they make it to camp. First chapter is information for the story so please read. Rated T but could change to K or K depending on what you guys think. Pairings have been decided so deal with it.

Unearthed 200,000 years past his expiration date. Sierra-009 finds himself thrust into a Universe full of conflicting ideals. Where he is forced to take up a new role 009 fights to restore order and justice among the stars as a the leader of one of the most feared race in history - The Mandalorians. NOTE: Sort of evolved into an über crossover of Science Fiction.

When Shepard's crew finds an odd mech-like figure while investigating geth activity, no one can begin to guess the consequences. Because now there is another badass commander on the Normandy. It almost makes you feel sorry for Saren and Sovereign because this isn't her first rodeo...

When a mysterious portal appears at the edge of the Oort Cloud in space, a UNSC fleet is dispatched, only to find themselves in a completely different universe where yet another ancient Galactic threat is upon them. Post Halo 4, ME1.

Masterchief wakes up after his long cryo sleep only to learn that everything he once fought for is now history. UNSC, Covenant everything. Can he once again become the humanity's greatest hero or someone else will carry his legacy?

Centuries after the end of the great war, the UNSC and Neo-covenant now live in peace, but what happens when they discover not just one but two splinter fraction of humans? The System Alliance and their Citadel and Prehistoric humanity and their old allies. But with their welcoming appearance, so will ancient threats loom around the corner ready to wage war...

In the 26th century humanity along with the sangheili, san'shyuum formed the Orion Systems Alliance the center of galactic government in the orion arm of the galaxy, soon the OSA will meet the citadel council and discover a billion year old secret.

The Absolute Record. The archive of all Forerunner knowledge. It will lead the UNSC to heights unimaginable. But it will also reveal the impossible that lies hidden within the galaxy.

The remaining Forerunners leave their home galaxy for a new, only to find somethings will never leave them.

A Halo/Mass Effect crossover, though not a typical one. This is the story of the last Forerunner, sent to a different galaxy entirely. How will he handle himself in this new glaxy where everything is different. Adopted from drich147. I corrected a mistake in chapter 3 regarding how long he has been there. I do not own Mass Effect or Halo.

When a Slipspace portal sucks the four Spartans of the original Blue Team into a new Universe, they'll find themselves fighting Collectors, Geth and a foe they can relate to. The fate of humanity falls to Commander Shepard's team, and to the Spartans of the UNSC, once again. (Apologies for lack of uploading. Recent writer's block, will be finished in one month approx.)

A new age has dawned. New alliances have formed. Old grudges have been forgotten. But darkness looms on the edges of dark space, and it has sworn none shall escape the coming fire... AU post-Halo 3, pre-Mass Effect

A Spartan IV, seperated from his team, and his universe, must learn to adapt. First person POV, told from an OC's perspective. No parings.

HaloXHarry Potter crossover! Five year old Harry Potter wishes for a family. Well, he got one. Say hello to, Arcana, child of the Sangeili! BEING REWRITTEN!

Just as the Sith move into position to overthrow the Galactic Republic, an old friend returns to known space and Darth Revan is sent sprawling across time and space. Post KOTOR I & During Mass Effect 2.

SPARTAN-333 finds himself in the Mass Effect universe with his A.I companion Tanya. The SPARTAN Still haunted by the fall of Reach and everyone around him, a certain Quarian may be able to give him the peace he is striving for. Rated M for strong language

A hero need not speak. When he is gone, the world will speak for him. Follow Rookie the young helljumper as he attempts to piece together to how did he ended on this messed up place...

The USF...founded in the ashes of the Great War has spent years rebuilding. They are inheritors of the Forerunners and are ready to take hold of the Mantel...but first they have to deal with another Galactic Superpower. However, dark forces gather as these two groups fight to gain control of the Galaxy.

As each member of Noble Team meets their fate on Reach, they all eventually end up in the Mass Effect universe where they join forces with Shepard and his squad to stop the Collectors, and protect humanity - at any cost. Paragon male Shep, male Noble Six

After a devistating defeat, the Ebon Hawk and her crew attempts to flee from their enemy only to be flung into a new mess. Can the Jedi ignore the blight that threatens their home to save this strange new galaxy? LS Revan and Exile, MShep Para/Earth/Sole

The Human-Covenant War is over, and humanity is slowly recovering their strength. But unknown to them and their allies, their worlds will soon make contact with rest of the galaxy. First Time FanFiction. Please Enjoy. [ON HAITUS/REPLACEMENT GOING ON]

KOTOR/Mass Effect X-Over. The Citadel receives a new guest in the form of a Mysterious Stranger. One not limited by morality, political ambition or the restraints of Element Zero. New Chapter added 7/22/11

Complete! Harry gets into more trouble than he realizes when his name pops out of the Goblet of Fire. A year of headaches and hardships confront him, but something much darker lies on the horizon. [Honks]