All Alpha Legion warbands were different... And insanely weird... They are no different. Rated T for violence, profanity, and death. Doesn't entirely follow lore. Focusing more on Alpha Legion's infiltration and planning abilities and uncertain allegiances to chaos and the imperium and chaos... No OP Chaos Marines.

After discovering what Light and Dark truly were— after finding Balance in their universe, Elsie Bray discovers a secret to the Guardian that forces him to act. Forces them both to act. The Darkness moves once again. Only this time, not in their universe. [FemShep] [M for safety]

Two soldiers at the end of their wars meet at a bar. Just not the ones they were expecting.

( AU) A Citadel Council patrol fleet stumbles upon a Starfleet exploratory fleet who just discovered a mass relay, and fires on it, sparking a war on levels beyond the Citadel's imaginations! Meanwhile, Reapers detect these newcomers, and with their superiority complex, attack early! Meanwhile, Q sits on a beach chair munching popcorn, watching, and laughing!

After discovering a cache of prothean technology on Mars in 2090, humanity is spreading to the stars; the newest interstellar species is struggling to carve out its place in the great galactic community. But no one ever asks, What happened to the Prothean? It's up to a brave few to uncover a dark truth while stopping a rogue agent from carrying out his unknown master's plan.

Some destinies are written out centuries, or even millennia, ahead of time. However, when destiny is derailed, new plans have to be implemented. Sometimes, that involves ripping someone away from the peaceful end they seek and thrusting them into a tide of never-ending war in order to fix what can never be repaired.

Commander Shepard is dead. Knowing that they needed someone to complete his work fighting against the Reapers, The Illusive Man set his sights on the next best thing, Humanities greatest hero. The only problem is that Superman gave up on hero work a long time ago but can the threat of galactic extinction be enough for him to once again step into the light.

'Returner':This Quirk sent Izuku to another world, only to return him to Quirk world aferwards, retaining all the powers he had obtained.Unfortunately, no one will believe him if he tries to reveal the origin of his others Quirks,'Biotics/Omnitool' and much less will they believe the tale that he was the greatest hero of an entire galaxy[Izuku OOC/Initially,Vigilant/only2 Romances]

Unknown to the Citadel Council, the Human-Covenant war nears its vicious end. Miranda Keyes is seconds too slow. Delta Halo fires, leaving UNSC space as a lifeless snapshot in time. The Citadel must morn the loss of a civilization they never knew.

Clayton Carmine has only known hate and carnage for so many years. But once he survives the war he hoped to die in, things get strange. When people need help he isn’t one to shy away, and while helping Baird he gets sent to a place in dire need of a man like him. A man that can’t be claimed by death as easily as his kin.

A new galactic power, the Solar United Nations, has taken a mantle alongside the Citadel Council. Two powerful forces acting in concert to form a stable, galactic community- Where did these space creatures come from? What do you mean the Humans Summoned spirits- No! Don't Adopt the Quarians! (One-shot, but can expand later).

The Reaper War, 2186. Even in the face of complete annihilation, The Milky Way still suffers from infighting, some of which has been raging for thousands of years. As the last surviving member of the Assassin Brotherhood, Abigail has one chance to bring an end to the Templars, and to Cerberus.

In forgotten ages past, two near eldritch forces vied for the very life essence of the Galaxy. Unknown to the young races, that war is still ongoing. how can the UNSC, the Citadel Council or the Covenant hope to stand against such forces, when they are still embroiled in their own petty squabbling? How could they hope to survive the War of the Old Ones?

AU. 7 months after the events on the Citadel, Commander Shepard and an old ally return to fight an old enemy. Their new mission however, just got a lot more complicated. Post Mass Effect 3, and set in the Halo universe during the book Shadows of Reach.

A romantic action story involving Isaac Clarke (romanced with Tali'Zorah) After Isaac becomes somehow thrown into the universe of Mass Effect, he joins up Shepard's crew, experiencing crazy adventures and emotional moments with his new family and newfound love. Just, give it a read, you might like it. - This is an old high school fanfiction I'm rewriting. It's been 8 years lol

During the shitshow that Eden Prime was, Shepard finds a man buried near the beacon. With him, two AIs, one from Reach, the other from Typhon. With him at her side, Jane's mission is easier. If it wasn't for the fact he's a hyper-lethal killing machine. And a shy one at that. Mostly Titanfall and Halo, with some Deep Rock Galactic. First stab at writing, so keep that in mind.

'Retornador'; El Quirk que envio a Izuku a otro mundo, para luego regresarlo de vuelta, conservando todos los poderes que había ganado. Lamentablemente, nadie le creera si intenta revelar el origen de sus otros Quirks, 'Bioticos/Omniherramienta' y menos se creeran el cuento de que fue el más grande héroe de una galaxia. [Izuku OOC/Inicialmente, Vigilante/Harem ( Solo 2 parejas)]

Shepard's life hadn't gotten any easier. Entire colonies were disappearing, millions of people gone. And that's not even mentioning she'd been dead for two years, but desperate times call for desperate measures, and Shepard is forced to work with Cerberus to find out what's behind the disappearances. Thankfully, she's got monsters backing her up. (Sequel to Monstrum Immortalem)

Shattered, Reborn, Reforged, Remade. The gaze of the Pheonix Force, seeking purpose and understanding, falls upon the Reapers and their harvests. Disgusted by their perverted, farcical 'cycle', it decides to wipe their stain from the multiverse. Needing a perfect host, it waits tens of millennia until, as Hannah Shepard is miscarrying due to eezo radiation, it finds one in her womb

A Codex exploring the History and Lore of the Stellar Effect Universe

Five Years have past since the destruction of the Normandy and the death of Commander Shepard. Now a new order is rising in the unmapped regions of the galaxy which is leaving unease in both the Republic and the Citadel. Determined to find out what is going on, a pro-human organisation has made plans to find out what this mysterious group wants.

When someone contacts the Quarians about old machinery, they should think twice before engaging with a strange yet so familiar species, a war, and circumstances that will shock two galaxies now that the rift is open.

My earliest work, now fully updated! (wow). Within is a tale of a collision of the absurd and rather horrifying world of Red alert and the rich world of the Citadel council, a clash of cultures and species with colourful characters and large scale intergalactic war. Filled with all varieties of Battle; Space Battles, Ground battles, Diplomatic Battles, and (possibly) many more!

Arcturus Magnus, Sagittarum of the Legio Custodes, has fought for years within the webway and the Impossible City. Upon taking a near-fatal wound, the Emperor Himself removes Arcturus from the front, sending him instead to bring forth reinforcements from the Mechanicum. When something goes wrong during the return, where does this Custodian find himself?

Two galaxies thrown together by a cosmic fluke. On one side of the galaxy, the war-weary UNSC vows to rebuild and become a giant in the stars so that they will never be so helpless again. Whilst another humanity is still finding its feet in the Citadel, with treachery and politics hindering its progress. How does the merging of two galaxies impact the course of all of their fates?