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A Wolf Among Witches by SSJ Lone Wolf reviews
It was hard enough discovering that they were the prophesized Charmed Ones and having to battle against Demons, Monsters, and the forces of evil on a daily basis. Luckily for Prue, Piper, and Phoebe they find themselves getting aided from a man out of time...one also known as a Demon.
Crossover - Charmed & Halo - Rated: M - English - Chapters: 4 - Words: 24,104 - Reviews: 184 - Favs: 233 - Follows: 266 - Updated: 1/20 - Published: 8/7/2021 - [Prue H., Piper H., Phoebe H., SPARTAN-B312/Noble Six]
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: 16 - Words: 78,007 - Reviews: 152 - Favs: 392 - Follows: 478 - Updated: 1/20 - Published: 1/21/2020 - Master Chief/John-117, Cortana, SPARTAN-B312/Noble Six, Excalibur
United Nations Shipgirl Command by AT Pyro reviews
The war with the Covenant is over, but a new alien race is threatening Humanity. Follow the exploits, trials, tribulations, and slipping sanity of Admiral Aqua Steele as she fights threats from within and without with humanity's newest weapons... shipgirls. Rated M for language, implications, and shipgirls. A crossover of Halo and Azur Lane, with some Kantai Collection for flavor.
Crossover - Halo & Azur Lane/碧蓝航线 - Rated: M - English - Sci-Fi/Humor - Chapters: 21 - Words: 43,747 - Reviews: 33 - Favs: 68 - Follows: 80 - Updated: 1/17 - Published: 12/12/2018
Arcane Halo by Nicogen reviews
They say war breaks you, damages the soul in ways you can't know. But for some that's where they feel alive. One little misstep was all it took for Jinx to be in a conflict she only dreamed of. She finds herself at the start of a war and the chaos she will bring to the Covenant won't just make her a Hero but a Legend. And maybe this war will be just what she needs to heal her soul.
Crossover - Halo & League of Legends - Rated: M - English - Adventure/Sci-Fi - Chapters: 11 - Words: 37,708 - Reviews: 141 - Favs: 214 - Follows: 265 - Updated: 1/17 - Published: 12/23/2021 - Master Chief/John-117, Jinx
The Unknown Defender by Gabenator5 reviews
While Shepard is closing in on Saren, something odd is happening in the Terminus systems. A new faction stirs, its green-clad enforcers seemingly unstoppable. Rumors spread, pirate bases going dark, both the enslaved and kidnapped alike are discovered free. Who are these new interlopers and what is their goal? For good or ill the powers that be intend to find out.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 18 - Words: 121,911 - Reviews: 1288 - Favs: 3,448 - Follows: 4,378 - Updated: 1/16 - Published: 9/27/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Leviathan
The Mantle of Remnant by KtyouVsWriting reviews
The Master Chief has saved Humanity at the cost of Cortana, one of his few remaining friends. More than he will admit, John relied on her, cared for her. To no longer have her means to lose another part of his humanity. Still the universe keeps going and once again, he is called to serve and protect Mankind. Now he has a choice: does he brave Remnant alone or does he embrace help?
Crossover - Halo & RWBY - Rated: M - English - Adventure/Friendship - Chapters: 17 - Words: 95,623 - Reviews: 417 - Favs: 1,002 - Follows: 1,371 - Updated: 1/16 - Published: 5/16/2019 - Master Chief/John-117
Dungeon Survival Guide:A Spartan's Story of Deities and Homeric Epics by Johnnieboy11 reviews
Faced with his death during one of the last battles of the Human-Covenant War, Noble Six now finds himself reborn in a strange new world with new beings, familiar yet different tales and names. The SPARTAN must now find a way to survive and thrive here, all while dealing with mundanely civilian issues, Gods descended to the Human Realm and Monsters. Lots and lots of Monsters.
Crossover - Halo & Is It Wrong to Try to Pick Up Girls in a Dungeon? - Rated: T - English - Fantasy/Sci-Fi - Chapters: 5 - Words: 24,190 - Reviews: 69 - Favs: 206 - Follows: 279 - Updated: 1/16 - Published: 1/8 - SPARTAN-B312/Noble Six, Hestia, Ais W., Welf C.
A Fallen Spartan in a Fallen World by Flareless reviews
The mission succeeded and the objective completed at the cost of her life to protect an ODST, Cal-141 perished after succumbing to her wounds. Feeling death for a brief moment, the feeling of life returned to her body. The Spartan finds herself in a World that has already fallen, only the remnants of what it was remained.
Crossover - Halo & RWBY - Rated: M - English - Sci-Fi/Fantasy - Chapters: 6 - Words: 21,612 - Reviews: 15 - Favs: 43 - Follows: 78 - Updated: 1/15 - Published: 11/7/2021 - Cal-141, Mercury B.
Spartan-149 by exocratez
Cómo los demás el spartan II Izuku-149 no recordaba mucho de su pasado fuera de Reach, sin embargo tras una fallida misión de ruinas de un planeta remoto, es transportado a un mundo desconocido con extraños humanos ,¿que es ese extraño mundo que seguían llamando tierra? ¿de dónde provenían eso extraños poderes que llamaban peculiaridades? ¿y además porque existía otro de el?
Crossover - My Hero Academia/僕のヒーローアカデミア & Halo - Rated: M - Spanish - Adventure/Sci-Fi - Chapters: 2 - Words: 872 - Favs: 1 - Follows: 3 - Published: 1/14
All the Stars by BlueWay reviews
When the Long Night of Solace is evaporated over Reach via the weaponized usage of a Slipspace Drive, it ferries with it in its swallowed sections the Covenant Empire and, more horrifyingly, the desperate measures that the UNSC used to fight them. When they are found in a universe on the precipice of their own history, the meaning of the term "Mass Effect" will change forever.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 38 - Words: 670,075 - Reviews: 1047 - Favs: 1,454 - Follows: 1,783 - Updated: 1/13 - Published: 6/8/2018 - SPARTAN-B312/Noble Six, Rookie
To Be the Last by Bruanshan Never-Seen reviews
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.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure - Chapters: 3 - Words: 13,070 - Reviews: 233 - Favs: 412 - Follows: 472 - Updated: 1/13 - Published: 7/28/2012 - Didact
Lost Son of Terra Phoenix by Ares007 reviews
For eons past, they enjoyed the harvest of their farms. Countless civilizations breathed life because they allowed it. Now, they will die because he demands it. Halo/Mass Effect but with heavy elements from Warhammer 40k. M-Shep/Miranda, OC/Liara. HFY
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 9 - Words: 50,229 - Reviews: 30 - Favs: 93 - Follows: 117 - Updated: 1/13 - Published: 11/29/2021 - [SPARTAN-B312/Noble Six, Oriana L.]
Star Wars The Halo Wars by micelzod reviews
Crippled by the Created and with their forces stretched thin. The UNSC must deal with a powerful and ruthless enemy who will stop at nothing to conquer everything in their wake. It is up to the crew of the Spirit of Fire to stop the Banished in a galaxy that is at war. Before the Banished unlock its secrets.
Crossover - Halo & Star Wars: The Clone Wars - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 8,145 - Reviews: 7 - Favs: 20 - Follows: 33 - Updated: 1/13 - Published: 1/3
FOR THE EMPEROR! by Inebriated Caffeine Imbiber reviews
The Warp and its powers are full of foul sorcery and energy. So it isn't abnormal for an Astartes to be sent through the Warp to another dimension entirely. But where is he? And can he get back to his Chapter, and his Brothers?
Crossover - Warhammer & Halo - Rated: M - English - Sci-Fi/Fantasy - Chapters: 4 - Words: 12,163 - Reviews: 16 - Favs: 37 - Follows: 52 - Updated: 1/11 - Published: 6/17/2020 - Space Marines
Empires Unite! Milky Way by SapphireDawn11709 reviews
When the SGC Destroys the Quantum Mirror after the incident were Doctor Carter and Major Kawasaki appear in Area 51a ripple was sent across the multiverse. When this ripple hit a Forerunner portal chaos ensues as fleets from three universe appear in the Milky Way. Starship Troopers, Mass Effect, Halo Stargate
Crossover - Stargate: SG-1 & Halo - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 13,234 - Reviews: 25 - Favs: 143 - Follows: 183 - Updated: 1/11 - Published: 6/24/2019 - T. Lasky, S. Carter
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: 2 - Words: 3,304 - Reviews: 33 - Favs: 143 - Follows: 247 - Updated: 1/11 - Published: 1/7
Halo: A New Journey by mgarner3199 reviews
Master Chief wakes up in the Mass Effect universe and joins Commander Shepard in an effort to stop the Reapers. With time running out, can they stop the extinction of every species, or will they fade into legend?First, they got to stop the Reapers though...
Crossover - Halo & Mass Effect - Rated: K - English - Sci-Fi/Romance - Chapters: 2 - Words: 1,571 - Reviews: 12 - Favs: 25 - Follows: 54 - Updated: 1/10 - Published: 12/7/2021 - Cortana, Master Chief/John-117, Illusive Man, Shepard
Accounts of the Flood conflicts by hunter 139 reviews
A multicrossover series of one-shots depicting several franchises and their encounters with the Flood. I do not own Halo or any other franchises depicted in these stories.
Crossover - Halo & Mass Effect - Rated: T - English - Horror/Sci-Fi - Chapters: 40 - Words: 98,854 - Reviews: 203 - Favs: 163 - Follows: 176 - Updated: 1/8 - Published: 1/15/2015 - Gravemind
Halo: The Lost Child by ImpulseFitz reviews
Duty and sacrifice entangle all who walk the path of the warrior. Heroes rise and fall like the tides. The realities of war can crush even the most honest of souls. Ruby-B419, an interloper from a forgotten world, must train to fight and survive an interstellar genocide, and learn her true purpose in the Milky Way galaxy.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 15 - Words: 168,630 - Reviews: 239 - Favs: 331 - Follows: 458 - Updated: 1/7 - Published: 6/5/2021 - SPARTAN-B312/Noble Six, Ruby R., Yang X.L.
The great harvest by Lordofskags
Before the master cheif made planet fall on zeta halo the banished uncovered a time travel device used to visit parallel earths so the banished decided to start with gotham and go after its caped crusader batwoman. Ruby rose as kate kane/batwoman
Crossover - Halo & Batwoman - Rated: M - English - Sci-Fi/Tragedy - Chapters: 1 - Words: 681 - Favs: 1 - Follows: 1 - Published: 1/7 - Master Chief/John-117, OC, Kate K./Batwoman, Beth K./Alice
The Reclamation by Fade Maybe reviews
Through ONI's manipulation, the UNSC stumbles upon a Mass Relay and is dragged into a new war. They'll discover the battered races of the Citadel, the political intrigue of its factions, and a second group of humans governed by the Systems Alliance, divided by Cerberus, and lead by Commander Shepard. Yet no one can stop what is to come: the Reclamation, and the death of the galaxy.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 53 - Words: 402,127 - Reviews: 1611 - Favs: 1,682 - Follows: 2,092 - Updated: 1/6 - Published: 3/13/2013
One shot - Imperial Glory by Swatguy123456 reviews
One Shot. What happens when you try something new? This was something I wrote in my free time just off random ideas. I am in no way shape or form an experienced writer.
Crossover - Star Wars & Halo - Rated: T - English - Chapters: 1 - Words: 2,404 - Reviews: 6 - Favs: 6 - Follows: 10 - Published: 1/5 - Complete
Star Wars: The Guardians of the Force by Pinoy Gamer reviews
The Force will not be chained to the wills of an uncaring being – it was not a puppet to be played and discarded when done. If this…this monster wanted wrestle the control of the galaxy, then the Force will give Him the fight He truly wished to have.
Crossover - Star Wars & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 83,464 - Reviews: 185 - Favs: 627 - Follows: 758 - Updated: 1/5 - Published: 5/6/2015
Penumbra: Black Plague by Ginopippofreebooter reviews
A pen, a notebook and some time alone. That is all that the Young Wolf Jake needed and unlike his Titan comrades, he liked to report new findings and informations on it. So, what happens when a Taken anomaly guides him to a seemingly giant ring in the middle of space? (Set from the start of Halo 1 to 3. Whole crossover with the trilogy).
Crossover - Halo & Destiny - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 11,350 - Reviews: 31 - Favs: 83 - Follows: 127 - Updated: 1/4 - Published: 6/26/2021 - Master Chief/John-117, Cortana, Ghost, Guardian
Azuveya: Fury Oh Fury by Kira Kyuu reviews
Aloe Potter (fem!HP) wasn't sure how she got here - 'here' being in what seemed to be a young girl's body, four-hundred-and-some-odd years into the future, and at risk of being killed by an alien empire, but it seemed like something her luck would come up with.
Crossover - Harry Potter & Halo - Rated: T - English - Chapters: 19 - Words: 29,256 - Reviews: 244 - Favs: 800 - Follows: 1,056 - Updated: 1/4 - Published: 8/24/2014 - Harry P.
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