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A hunter in waiting by TheDinoDude427 reviews
The Lek'golo, a race of worms that work together to shape an individual that had the ability to think as a group. But the lek'golo are not a race found on earth, but it would be quite the coincidence that a case 53 came into the Bay as a group of Lek'golo worms. Let's sit back and watch the chaos. (This is somewhat a self-insert story; you have been warned)
Crossover - Halo & Worm - Rated: M - English - Humor/Sci-Fi - Chapters: 8 - Words: 20,083 - Reviews: 66 - Favs: 249 - Follows: 304 - Updated: 7/27 - Published: 3/9 - OC, Skitter, Dinah A.
Discarded Blade, Renewed Purpose by TheLandMaster reviews
A weapon, a warrior, a soldier, a blade. He had spent years in struggle and combat, and wished only to rest. His respite is given, and cut short just as quickly. But his battlefield is now far away, and his enemies from even further beyond. His name is Excalibur, and he was the first Tenno. He will be so again.
Crossover - Halo & Warframe - Rated: M - English - Sci-Fi/Adventure - Chapters: 17 - Words: 78,772 - Reviews: 175 - Favs: 435 - Follows: 526 - Updated: 7/22 - Published: 1/21/2020 - Master Chief/John-117, Cortana, SPARTAN-B312/Noble Six, Excalibur
Rising of the Shield Helljumper by Autistic-Grizzly reviews
After the sacred duel between the spear and shield heroes, an army of a different world appear, one that supports the Shield Hero, now with the might of the UNSC behind him ODST Lance Corporal Naofumi Iwatani will be better equipped to handle the waves and find out the secrets linked between this world and the forerunners [RIP Billy]
Crossover - Halo & Rising of the Shield Hero/盾の勇者の成り上がり - Rated: M - English - Sci-Fi/Adventure - Chapters: 19 - Words: 50,198 - Reviews: 166 - Favs: 212 - Follows: 267 - Updated: 7/22 - Published: 1/2 - Master Chief/John-117, E. Buck, Naofumi I., Raphtalia
Lost so much, but gained so much more by Eyeya Fett reviews
Ethan AKA Noble Six lost his family to war, Kara lost hers to an explosion. They've lost so many loved ones in their time and left heartbroken. Can they help one another heal? UPDATED STORY COVER!
Crossover - Supergirl & Halo - Rated: T - English - Drama/Romance - Chapters: 11 - Words: 20,156 - Reviews: 11 - Favs: 27 - Follows: 29 - Updated: 7/21 - Published: 10/20/2020 - [Astra, Alex D.] SPARTAN-B312/Noble Six, Kara D./Supergirl
The Ghost and The Eagle by Johnnieboy11 reviews
The Master Chief's life was filled with the harrows of war, loss of comrades, allies and friends. The Enterprise's service was wrought with much the same, with the losses sustained by the Eagle Union's Carriers during the early days of the Siren War being the most painful. Where these two would meet was a very familiar place to both:The Battlefield. And a bond will be forged.
Crossover - Halo & Azur Lane/碧蓝航线 - Rated: T - English - Romance/Sci-Fi - Chapters: 26 - Words: 87,881 - Reviews: 252 - Favs: 651 - Follows: 779 - Updated: 7/19 - Published: 10/18/2019 - Master Chief/John-117, Enterprise, Belfast, Prince of Wales
Night Raid Watch Halo Legends by Crimson Soldat reviews
As the direct continuation of Night Raid plays Halo, Night Raid and Delta are now going to watch multiple stories within the universe of Halo. Follow up from my last fic story, Night Raid Plays Halo. It will have realistic reactions from the cast. Omakes from different characters will be throughout this story. No Multiverse reactions included. Co-written by ExcaliburShooter.
Crossover - Halo & Akame ga Kiru/アカメが斬る - Rated: T - English - Drama/Sci-Fi - Chapters: 11 - Words: 36,601 - Reviews: 56 - Favs: 100 - Follows: 113 - Updated: 7/19 - Published: 1/16/2021
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: 565 - 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: 367 - Follows: 527 - 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: 210 - Follows: 278 - Updated: 7/17 - Published: 3/23 - SPARTAN-B312/Noble Six, Amiya, Lappland, W
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: 553 - Follows: 774 - 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: 472 - 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: 4 - Follows: 7 - 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: 932 - Follows: 946 - 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: 27 - 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: 202 - 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: 295 - Follows: 489 - 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: 43 - 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: 1,606 - 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: 744 - Follows: 975 - 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: 89 - Follows: 109 - Updated: 7/4 - Published: 4/30 - Master Chief/John-117, Cortana, Shepard, OC
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