Humanity and its allies have stood strong after the Great War with the Covenant. Follow the Systems Alliance as it goes through a first contact nearly as disastrous as the one that lead to the Great War.

The war between humanity and the Covenant has entered its highest point. Desperate for help to ensure humanity's survival, a group of expedition vessels make a course into the most bizarre place in the galaxy-a place where time and space seemingly all but destroyed. In search of salvation, they find their answer, but that answer is beyond any of their mortal minds to comprehend.

Mankind's Greatest Hero has finished his mission once more. Saving Earth from the Didact and his weapon of mass-recruitment, the Composer, the Master Chief and his AI companion, Cortana, find themselves mysteriously transported to a strange variation of Earth, where machines rule the surface and mankind hides below. The SPARTAN and those that join will fight to Reclaim the world...

After a life threatening battle against the Covenant, Noble Six makes his last stand until a strange event occurred. Bringing the two worlds more closer than what is initially thought when a boy from the other side starts feeling the side effects of such an event. AU of a what if to the two IP's, first published story on this website so any feedback is heavily welcomed.

A little short story about the little ones of a certain Hyper Lethal Vector

Dying on Mantle's Approach, Cortana wakes up in an unfamiliar environment. In her drive to get home, she 'employs' the assistance of the local synthetics. She never wanted to be a galactic overlord. But a UNSC AI in an environment woefully unprepared for one of her caliber makes an easy one.

Awakening on a strange ringworld occupied by The Banished hellbent on destroying humanity, Ruby Rose joins the Master Chief and his new AI companion in hopes to not only defeat this new threat but also finding a way back to Remnant. This isn't Remnant anymore, she has to play by Halo's rules. (Slight AU Infinite)

On the night Harry would have been dropped off by his Aunt, Dumbledore had someone else in mind. What if Harry was taken in by other strong people and they even decided to train him? Trained to be a Warrior by Wolves and the UNSC, he will change the world. OP, smart, trained Harry, small harem double cross with Witcher and Halo

The beginning of the Battle For Earth signaled the start of the final, bloodiest campaign of the Human-Covenant War. Hastily, a plan is put into motion and an Ark Fleet, composed of a dozen Phoenix-class vessels and their escorts, makes the jump out of system. Either interference, or malfunction, causes their arrival to a new Galaxy, where new threats lurk just around the corner.

A Spartan and his A.I. companion will stumble across the Colonies of Kobol just a few days before the Cylon attack. That is where our story will truly begin.

On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, right in the midst of the Reaper War. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix. (Redo of an older story)

It has been four years since the Human-Covenant War. The Master Chief is caught in a battle between Republic warships and the Malevolence. Soon the Didact’s release approaches, and The Chief soon discovers that he is not the only Spartan on this side of the universe. But secretly, Lord Sidious has plans to expand his chessboard to reach both worlds…

The Tourney of Harrenhall was the greatest of its kind in Westeros. It was a grand show of the power of house Whent that drew the attention of all seven kingdoms. However, the Westerlands have arrived with strange new allies. Great warriors who bear the sigil of an eagle with arrows and lightning in its claws. Who are these new allies, and what do they mean for Westeros?

Gaara del desierto, actualmente mejor conocido como el Jefe Maestro, está en una misión casi suicida para salvar a los tripulantes del barco-nave destructor menor conocida como Pilar de otoño. Él llego del mundo shinobi a estar en un conflicto entre dos superpotencias en una dimensión diferente a la suya. UA/pseudoshinobi.

Finding himself back in time to the early twenty-first century, Six thought that attending Highschool would be a breeze compared to fighting the Covenant and Insurrectionists. But between Vampires, Werewolves, doublegangers, and countless other supernatural creatures and who knows what else, he finds that his troubles are just starting.

Stuck in the Universal Century during the One Year War, Master Chief and his companions help the White Base Crew survive while also trying to find a way back to Zeta Halo. In the meantime, a group of battle-hardened Banished troops does what their organization does best. Take advantage of conflicts and various organizations for their own benefit. (Also includes Owl House)

We all know the tale. The SLDF under Aleksandr Kerensky's command leaves the Inner Sphere forever, before evolving into the Clans following Operation KLONDIKE. What if this was not the case? What if the entire Exodus fleet suffered a misjump that propelled them into another universe, one where Humanity will reclaim an ancient inheritance? This is the story of that possibility.

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?

With the Covenant war over the UNSC can finally begin exploring the universe, but there first step outside their galaxy could lead them to another enemy that would prefer to feed on them instead of destroying them, can one ship survive in a galaxy teaming with an overwhelming enemy or will they get help from a group of humans who are also exploring the universe themselves.

Just as the Atlantis team think they have finally found a reprieve from the Wraith thanks to a fortuitous accident something hidden in deep space and from another world may bring more than one complication to the fight

A flower cannot blossom without sunshine. And where flowers boom, so can hope.

A veteran fleet formed of the few survivors of Reach goes missing upon their jump toward Earth. Originally meant to reinforce the Home Fleet with a slew of fresh units, the dozen vessels now find themselves over a foreign world engaged in a familiar war of survival with a rogue army of AI and their own prejudices against each-other. A new world to protect and new challenges await.

What happens when someone gets Isekaied into the Star wars galaxy at the start of the invasion of the Naboo with a modified halo Wars unsc that takes units from the Covent and banished in a unsc style along with some lepi and the ability to unlock new halo technologies over time, How will this affect the Star wars galaxy?.

Scattered, in a world where their emperor never existed... The Ultramarines have but one purpose... Protect humanity and act among them. Rated T for violence, death, and profanity. Please ignore the latest review. I have blocked that user for insulting words and feelings i do not support.

Spartans are instruments of war. They are molded, shaped, and bred to spill the blood of humanities countless enemies in the defense of mankind. They are not peacekeepers. They are not peacemakers. But duty alone will force a single Spartan to uphold a fragile peace or watch everything humanity could one day achieve burn. On the blood of their fathers and the blood of their sons.