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RWBY:Spartan Assault by Johnnieboy11 reviews
After John-117's battle on board Mantle's Approach, the Spartan finds himself, with Cortana in tow, sent to a different world, where monsters roam the wilds, Humanity is confined to 4 major Kingdoms and where Magic and Tech coexist. The Spartan will soon have to join the ranks of the good guys against a horrid threat, whilst also on the lookout for fellow Spartans.
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 27 - Words: 122,574 - Reviews: 171 - Favs: 451 - Follows: 564 - Updated: 7/19 - Published: 1/12/2021 - [Master Chief/John-117, Cortana] C. Halsey, Team RWBY
Forceful Entry by Scepterfall reviews
After leaving the Jedi Order, Ahsoka Tano calls in a favour to leave Coruscant. Jedi Master Aayla Secura happily assists the former Jedi. But while on route to Aayla next deployment, a mysterious gravitational anomaly pulls them from light speed. Now the two Force sensitives, along with a handful of clones, find themselves in another war! *Covering the events of Halo 2, and Halo 3
Crossover - Star Wars & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 79,100 - Reviews: 82 - Favs: 362 - Follows: 522 - Updated: 7/18 - Published: 9/9/2021 - Aayla S., Ahsoka T., Master Chief/John-117, SPARTAN-B312/Noble Six
Perception by you can glow too reviews
Roller coaster emotions & actions bring Samus to the brink of ending it all. Maybe a change of scenery (with new faces) will help her in a quest to conquer wrongful perceptions others attach to her as a female. Is there any hope for accomplishment? Disclaimer: Distressing themes.
Crossover - Metroid & Halo - Rated: T - English - Drama/Sci-Fi - Chapters: 2 - Words: 11,655 - Reviews: 3 - Favs: 5 - Follows: 9 - Updated: 7/17 - Published: 1/12/2021 - Samus A., Master Chief/John-117
The Arts of War:Redemption by Johnnieboy11 reviews
Reincarnated in an unknown world after his demise, Spartan-B312 finds himself stuck in the middle of a Shadow War between two organizations with the same goals, but different means of achieving said goals. Intrigue, combat, magic and a brewing war are what the Spartan must survive to uncover his purpose in the strange world of Terra. Welcome to Rhodes Island, Noble Six.
Crossover - Halo & Arknights - Rated: T - English - Supernatural/Sci-Fi - Chapters: 6 - Words: 23,150 - Reviews: 26 - Favs: 209 - Follows: 276 - Updated: 7/17 - Published: 3/23 - SPARTAN-B312/Noble Six, Amiya, Lappland, W
The Brighter the Light The Darker the Shadow by Cypher1597 reviews
Dovahkiin and Shadow Walker. The first is a beacon that shines through the darkness, embodying the ancient heroes that vanquished the Dragon Lords of old. The latter is an inexhaustible shadow that will strike down all who stand in its way. A shadow that is neither wicked nor virtuous. The fate of all Tamriel hangs in the balance. For where there is light there is shadow...
Crossover - Halo & Elder Scroll series - Rated: M - English - Adventure/Supernatural - Chapters: 4 - Words: 18,516 - Reviews: 30 - Favs: 108 - Follows: 147 - Updated: 7/16 - Published: 3/2 - OC, Dragonborn/Dovahkiin, Serana
Wolf In Spartan Armour by Then-now-where-guy reviews
The fall of Reach, home to many, a military planet, glassed and left as a burnt out husk, except, there's a small ship in orbit, with no power covered in plasma scars, another wreck amongst the masses. An engine flickers on. Or is it? Join Legosi as he battles his way through the halo verse from the fall of Reach to now with the memories of an ODST to help him.
Crossover - Halo & Beastars/ビースターズ - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 6,643 - Reviews: 1 - Favs: 14 - Follows: 12 - Updated: 7/15 - Published: 11/26/2021 - Master Chief/John-117, Legosi
Mass effect: the Jaded ones by Ray SK reviews
A UNSC Human-covenant war-era battle group led by a Punic class supercarrier is introduced to a new galaxy. One where people are xenophilic, use to times of peace and harmony, and against disrupting the Status Quo. What will an extremely aggressive xenophobic and battle-hardened human faction add to the mix? and will their addition change the future of this galaxy. (No Spartans)
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Humor - Chapters: 4 - Words: 22,712 - Reviews: 64 - Favs: 144 - Follows: 209 - Updated: 7/14 - Published: 2/6 - E. Buck, OC
Emerald Spartan by SHDW reviews
After a Slipspace jump gone wrong, a Spartan II and an AI come upon a planet both know. It is so different and so similar to theirs. But will they be what the gems need to defend it from Homeworld. While threats both new and ancient threaten to destroy the new lives they live.
Crossover - Steven Universe & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 48 - Words: 163,850 - Reviews: 23 - Favs: 60 - Follows: 69 - Updated: 7/14 - Published: 4/26/2020 - [Steven U., Lapis Lazuli] [Peridot, OC]
Gate: Emroy's Chosen (rewrite pending) by ChroniclerofChaos07 reviews
Reach was lost. The final ship off world left. One last human remained as The Covenant closed in on them. One last act of defiance in the face of darkness won the favor of a God. Noble Six has been granted a new life in a world of fantasy. However the specter of war will always follow him.
Crossover - Halo & Gate - Jietai Kare no Chi nite, Kaku Tatakeri - Rated: T - English - Sci-Fi/Fantasy - Chapters: 8 - Words: 41,379 - Reviews: 125 - Favs: 551 - Follows: 770 - Updated: 7/12 - Published: 3/19/2021 - SPARTAN-B312/Noble Six, Itami, Rory
Legacy of the Precursors (Revised Edition) by DrakeTheTraveller reviews
A legacy is what man leaves behind, the culmination of past deeds laid down at his feet for those who come after. Noble Six walks in the footsteps of his predecessors, peerless warriors and tacticians. As a spartan, war is his birthright. As a man he has nothing to call his own, no legacy to his name. But after Reach's fall, he discovers just what inheritance he will leave behind.
Crossover - Star Fox & Halo - Rated: M - English - Drama/Adventure - Chapters: 13 - Words: 127,597 - Reviews: 248 - Favs: 387 - Follows: 471 - Updated: 7/10 - Published: 3/10/2019 - Fox M., Krystal, Miyu, SPARTAN-B312/Noble Six
RWBY:Souls of the Spartans by Johnnieboy11 reviews
The four new members of Noble Team, Six, Seven, Eight and Nine get transported to a world stranger to theirs, where they have to fight their way through the creatures of Grimm, the White Fang and several other darker enemies... All while studying at Beacon, with their new friends. The Spartans, even though younger than most other SIII Survivors, are a hard team to match.
Crossover - Halo & RWBY - Rated: T - English - Humor/Romance - Chapters: 2 - Words: 6,050 - Reviews: 10 - Favs: 52 - Follows: 70 - Updated: 7/10 - Published: 6/27 - SPARTAN-B312/Noble Six, OC, Team RWBY, Team JNPR
Flood of Remnant by Dhdoctor61 reviews
A crossover of Halo, RWBY, and a caricature inspired by one of my own stories. Not sure if the flood will make an appearance but please enjoy all the same.
Crossover - Halo & RWBY - Rated: T - English - Chapters: 3 - Words: 7,957 - Reviews: 3 - Favs: 3 - Follows: 6 - Published: 7/10
Justice League of Amazons: Halo by Angry lil' elf reviews
In a world where the rogue Amazon Aresia succeeds in her plan to wipe out all men on Earth, she has doomed humanity to extinction and a newly reformed Justice League must try and salvage the world. But hope is not lost and it comes in the form of a Spartan II Commando and his AI from another universe. His name: Master Chief Petty Officer John-117.
Crossover - Halo & Justice League - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 80,094 - Reviews: 280 - Favs: 929 - Follows: 941 - Updated: 7/9 - Published: 1/13/2016 - Master Chief/John-117, Diana of Themyscira/Wonder Woman, Shiera H./Shayera Hol/Hawkgirl
The Tale of The Spacefarers: Under Azur Skies by TaleBearer42Day reviews
When the Spartan team known as the Spacefarers (along with their crew of The Bulwark) are pulled from Reach into a world not their own, they must try to return. All while loving ship-girls and fighting Sirens, of course. Things are sure to be fun!
Crossover - Halo & Azur Lane/碧蓝航线 - Rated: K+ - English - Romance/Sci-Fi - Chapters: 10 - Words: 19,763 - Reviews: 12 - Favs: 26 - Follows: 32 - Updated: 7/8 - Published: 2/28 - OC, Kaga, Illustrious
Peter Parker: ODST by Captin Morgan92 reviews
Corporal Peter Parker, a respectable and well-known ODST, drops into the Marvel universe along with his team Alpha-Nine. They face unexpected challenges and face against strange and foreign enemies like the Kingpin. Peter finds himself as a teenager again and he and his team must adapt and adjust to their new lifestyle. High School is definitely going to be a pain for Peter.
Crossover - Spider-Man & Halo - Rated: M - English - Drama/Adventure - Chapters: 6 - Words: 42,492 - Reviews: 57 - Favs: 176 - Follows: 201 - Updated: 7/8 - Published: 4/8/2017 - Peter P./Spider-Man, Gwen S., Liz A./Firestar, E. Buck
No Greater Calling by silencewillfall0091 reviews
Because here's the thing. Turians, despite their reputations, had never loved war- not the suffering, the dying, nor the pain. They loved victory- the prevailing of clear good over clear evil- justice winning in the end, the beating of overwhelming odds for peace. And there was never more a clear example of this type of war than ours against the Covenant.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 4,879 - Reviews: 69 - Favs: 291 - Follows: 487 - Updated: 7/6 - Published: 1/7
Rasputin: Access Granted by Dedotron reviews
The Nine granted him access to the multiverse. A metaphorical key. They told him to use it wisely. He would. He would use it to enter universes. And this one would be a trial.
Crossover - Destiny & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 1,691 - Reviews: 12 - Favs: 27 - Follows: 42 - Updated: 7/6 - Published: 6/22 - Rasputin, 343 Guilty Spark, Master Chief/John-117
Mass Effect: Galaxy at war by palik reviews
A Citadel Exploration fleet filled with people the council didnt want around discovers something that will change the face of Citadel Space forever. The council will experience a crash course in the fight for survival (Reaper Incursion Arc)
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 28 - Words: 84,353 - Reviews: 515 - Favs: 1,125 - Follows: 1,605 - Updated: 7/5 - Published: 6/18/2020
The Halo Effect: War and Civilization by free man writer reviews
A crossover years in the works. Civilizations rise and fall but to those that do stand, they prosper. They Expand. They reach out across the stars. But of course, such is a Universal law, War is never far behind. War is a language all civilized races speak and it is war most are familiar with. Co-written with BulletStormX. Halo/Mass Effect with a dash of Star Wars.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 127,353 - Reviews: 360 - Favs: 741 - Follows: 974 - Updated: 7/4 - Published: 7/28/2020
Xen Effect by ThePilotArchangel reviews
Xen is the gateway between universes and dimensions. It is the place where time, space, physics, and other known rules that define ones life go out the metaphorical window. What will happen when a Child of Xen, a perfect Supersoldier, a Guardian of Humanity, and a Spectre of a Council of aliens find themselves caught up in a war of survival? Find out in "Xen Effect".
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 73,718 - Reviews: 38 - Favs: 86 - Follows: 105 - Updated: 7/4 - Published: 4/30 - Master Chief/John-117, Cortana, Shepard, OC
HALO Mass convergence by SapphireDawn11709 reviews
Two Universe collide after the Forerunners fall and the Reapers return, will the two branches of Humanity placed in their respective Systems by a Forerunner Monitor unite or fall, only time will tell in this epic clash. When the UNSC Exploration and Research Vessel Light of Sol discover a strange artifact, they are opened up to the rest of the Galaxy after millennia of isolation.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 24 - Words: 82,670 - Reviews: 316 - Favs: 729 - Follows: 911 - Updated: 7/4 - Published: 9/18/2016 - Master Chief/John-117, Cortana, J. Garson, Tali'Zorah
True Demon by TyrantChimera reviews
The Gravemind was a thousand billion minds. When Halo wiped out the vast majority of it, a small core, a Keymind, was safely ensconced in its own private pocket of space. Yet They were not alone there. There was a reason that the Gravemind never referred to John-117 as Demon. He could never match up to the horror and power of the real thing... Metroid. Oneshot, spoilers.
Crossover - Metroid & Halo - Rated: K+ - English - Horror/Supernatural - Chapters: 1 - Words: 2,091 - Reviews: 2 - Favs: 10 - Follows: 3 - Published: 7/3 - Samus A., Gravemind - Complete
Mass Effect - Convergence by Fallen2Pancake reviews
During a Batarian Slave Raid on the Systems Alliance Colony of Eden Prime unknown defenders both Human and of unknown alien origin aid in the defense. While the UNSC and XCOM join forces under a thought long dead UNSC Rear Admiral and navigate this new universe, how will the future of Mass Effect change and will it change for the better or worse. - Mass Effect - Halo - XCOM Cross.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 11,385 - Reviews: 10 - Favs: 77 - Follows: 108 - Published: 7/2 - SPARTAN-B312/Noble Six, OC, Admiral Hackett, Shepard
A Black Dagger by Johnnieboy11 reviews
His memories are a mess, his life, reduced to fighting for the UNSC and ONI and his team's mission, doomed from the start. Noble Six's story had always been tragic to anyone who had half a heart while reading his file. To him, it felt normal, like it had happened before. He stalks the battlefields like a Reaper now. And his next mission, remembering, may be his toughest yet...
Crossover - Halo & 86 エイティシックス - Rated: M - English - Angst/Sci-Fi - Chapters: 1 - Words: 4,500 - Reviews: 4 - Favs: 24 - Follows: 29 - Published: 6/27 - [Shinei Nouzen, Vladilena Milizé/Lena] Catherine-B320/Kat/Noble Two, Carter-A259/Noble One
Different Realities by Blue-Jay1009 reviews
As the Autobots and Decepticon stumble across a strange device that is of unknown origin. As one of their human friends accidentally activates the device it transports the two wagering factions and humans into a different universe where they landed on a dead planet that belongs to an advanced humanity a few years prior to the war with the covenant been over.
Crossover - Transformers/Beast Wars & Halo - Rated: T - English - Drama/Adventure - Chapters: 7 - Words: 11,228 - Reviews: 27 - Favs: 76 - Follows: 89 - Updated: 6/25 - Published: 1/4 - Bumblebee, Optimus Prime, Master Chief/John-117, Cortana
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