Halo and RWBY Crossovers
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Remnants Of The Spartans by ApexRainbow163 reviews
Two Spartans have arrived in Remnant under mysterious circumstances. But the world they've arrived in yields even more mystery than that of their arrival. Join them as they uncover it's secrets, earn some enemies and find allies, new and familiar. (Part 1 of the Yeartide Saga)
Rated: T - English - Fantasy/Sci-Fi - Chapters: 14 - Words: 41,766 - Reviews: 14 - Favs: 53 - Follows: 73 - Updated: 9/15 - Published: 6/29/2020 - OC, Glynda G., Team RWBY
The Men From Onyx by kpmh2001 reviews
A UNSC frigate is sent into another dimension after a disaster with their slipspace drive. Now lost in unknown territory, they must attempt to befriend the population of a local planet of strange humans under constant siege from an army of monsters. Consider this a minor AU as there are some slight differences, but everything major is still in the same place.
Rated: T - English - Drama/Sci-Fi - Chapters: 73 - Words: 480,019 - Reviews: 1169 - Favs: 910 - Follows: 1,136 - Updated: 9/12 - Published: 1/13/2019 - Ruby R., Ozpin, J. Ironwood, Winter S.
The Way by Twisted Fate MK 2 reviews
Ever since the fall of the Covenant, the Arbiter has sought one thing. A path to redeem himself of his past sins. Waking up on a strange world does nothing to change that goal. Though it does add some complications to it, in the form of the bestial Grimm and strange children. But if the gods wish him here, then he shall see their desires through.
Rated: T - English - Adventure/Mystery - Chapters: 28 - Words: 125,291 - Reviews: 420 - Favs: 745 - Follows: 981 - Updated: 9/2 - Published: 12/27/2019 - Master Chief/John-117, Arbiter, Ruby R., Weiss S.
Remnants of the Reclaimers by Lieutenant-058 reviews
Blue team, shaped by the death of Sam into a four man squad stumbles upon a mysterious artifact and are pulled into a world and a war that is not their own.
Rated: T - English - Sci-Fi/Fantasy - Chapters: 25 - Words: 78,192 - Reviews: 98 - Favs: 191 - Follows: 252 - Updated: 8/25 - Published: 10/16/2018 - Master Chief/John-117, Kelly-087, Linda-058, Fred-104
Dust and Echoes by trestwho reviews
After a successful mission, a UNSC fleet makes a random slipspace jump only to come across an uncharted system containing a sliver of humanity, one with seemingly no connection to Earth and whose natural abilities defy reason. In a galaxy full of terrifying dangers, the UNSC and Remnant must work together to defend all they know from annihilation.
Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 223,805 - Reviews: 727 - Favs: 815 - Follows: 937 - Updated: 8/23 - Published: 1/12/2020 - Master Chief/John-117, Arbiter, Team RWBY, Team JNPR
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.
Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 53,072 - Reviews: 91 - Favs: 187 - Follows: 270 - Updated: 8/23 - Published: 1/12 - [Master Chief/John-117, Cortana] C. Halsey, Team RWBY
Halo RoCE by StaryHaloinRWBY reviews
Ruby is in Halo and she must fight to survive. She will not allow the Covenant to kill all of humanity, and she with Cortana and the Master Chief will find the secrets of Halo. Will she ever come home? Will she find out how she got here? Can she end this war? Also, there will be a little bit of gore, but I don't think it is enough for an M rating. Teens can deal with it... Right?
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 5,383 - Reviews: 1 - Favs: 30 - Follows: 38 - Updated: 8/9 - Published: 7/8 - Master Chief/John-117, A. J. Johnson, Cortana, Ruby R.
Halo Spear and Shield of Humanity by StaryHaloinRWBY reviews
Pyrrha is stuck on a planet in a war that isn't her own, but she doesn't care because she is a huntress in training, and she will protect everyone she can. Will she be able to change the fate of this humanity? Or will she just go die with it? Will she learn how she came here? Or will she just chalk it down to destiny? Will I just stop asking questions?
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 5,777 - Reviews: 7 - Favs: 28 - Follows: 36 - Updated: 8/9 - Published: 7/8 - Catherine-B320/Kat/Noble Two, Carter-A259/Noble One, SPARTAN-B312/Noble Six, Pyrrha N.
Operation Unusual Paperwork by kpmh2001 reviews
A side story containing all of the story exerpts, post chapter nonsense, and omakes that the world of The Men From Onyx has to offer, now in one convenient package! Warning: The tone and intention of these short stories will change on a by-chapter basis, tonal consistency is effectively not a consideration.
Rated: T - English - Parody/Humor - Chapters: 24 - Words: 84,055 - Reviews: 117 - Favs: 67 - Follows: 81 - Updated: 7/29 - Published: 10/4/2019
Noble Remains by RustedThunder reviews
As SPARTAN B-312, Noble Six stays behind on Reach. He fights not just for his life, but everyone that called Reach their home. Everyone that is a part of the UNSC. As his body finally gives out from his hours long final stand, he finds himself in a lush, emerald forest.
Rated: T - English - Sci-Fi - Chapters: 8 - Words: 27,908 - Reviews: 64 - Favs: 210 - Follows: 311 - Updated: 7/4 - Published: 5/17/2017 - SPARTAN-B312/Noble Six, OC, Ozpin
Clash of Universes: Halo and RWBY I: Halo 2 by LewdFlowerPot reviews
After destroying the Halo ring, Ruby-117 has returned to Earth, home of Humanity, and received an armour upgrade as well as being commended by Lord Ozpin for her actions. While Blake 'Vadamee, supreme commander, is on trial for her failures to protect the Halo ring. The Covenant prepare to strike back while coming across Earth, humanity's homeworld. AU RWBY and Halo.
Rated: T - English - Humor/Sci-Fi - Chapters: 5 - Words: 9,132 - Reviews: 18 - Favs: 17 - Follows: 32 - Updated: 6/21 - Published: 6/26/2018 - Ruby R., Weiss S., Blake B., Adam T.
A Noble Rose by red october700 reviews
She was supposed to die here. Yet she finds herself on a new world. She has never been here but it welcomes her home like a wayward daughter that returned. Now she finds a new purpose. But how is she going to handle it all with these random flashbacks to a life she didnt live?
Rated: T - English - Chapters: 11 - Words: 106,862 - Reviews: 62 - Favs: 197 - Follows: 279 - Updated: 6/18 - Published: 2/13/2019 - Summer R., Team RWBY, Team JNPR, Qrow B.
Project WUBAT by Soul's Release reviews
As the Universe, including every known dimension, begins to fall apart, the hopes of all lie with a team of rag-tag heroes. Through all of their flaws and strengths, they must work together to stop an overwhelmingly powerful entity from destroying everything. That is, if they don't kill each other first... Rated T for language, violence, adult humor, and heavy adventure. :D
Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 18,746 - Reviews: 18 - Favs: 18 - Follows: 30 - Updated: 6/14 - Published: 2/13/2017
The Spartan and the Legionarie by Lighting wolf knight reviews
A spartan, the pinnace of the human race. Thrust into a new world, full of new enemies, bonds and monsters. Rated T for violence, death, and profanity. Different characters and AU. Next chapter is 1100 words, Not 1500.
Rated: T - English - Romance/Adventure - Chapters: 16 - Words: 27,599 - Reviews: 6 - Favs: 41 - Follows: 57 - Updated: 6/10 - Published: 5/1 - [OC, Pyrrha N.] SPARTAN-B312/Noble Six, J. Ironwood
Thus I Scatter by The crimson trucker reviews
(Not so good with summarises) After surviving a tear through time and space. Summer Rose is thrown into the middle of a bloody war between humans and the covenant in a chance to return home. Along the way she would make choices she whishes she could forget and encounter a monster far worse than Grimm.
Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 8,617 - Reviews: 16 - Favs: 30 - Follows: 51 - Updated: 5/2 - Published: 6/5/2020 - 343 Guilty Spark, Serin O./Serin-017, OC, Summer R.
Miracles of Ancient Wonder by StaryHaloinRWBY reviews
Humanity is in the way of harm by the Covenant, but there is a chance to change that. Halsey finds rumors about a form of humanity that is capable of doing things that many would just consider pure magic. After working hard hours, she eventually finds the location and sends Blue Team and Cortana to check it out. Also, RWBY belongs to Roosterteeth and Halo belongs to 343 Industries.
Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 9,422 - Reviews: 3 - Favs: 24 - Follows: 37 - Updated: 4/29 - Published: 3/14 - Master Chief/John-117, C. Halsey, Ruby R., Pyrrha N.
A Forgotten Spartan by WhyWorldWhy reviews
"Spartans never die, they're just missing in action." Noble Six never expected a second chance, but here he was, stranded in a snowy wasteland with hostile wildlife and a civilization barely keeping nature at bay. Preparing this planet for the Covenant will not be easy. Picking up a stray doesn't help much, but it's a start. But the past won't leave Noble Six alone...
Rated: T - English - Chapters: 3 - Words: 8,961 - Reviews: 22 - Favs: 98 - Follows: 147 - Updated: 4/22 - Published: 7/8/2020 - SPARTAN-B312/Noble Six, Weiss S.
Spartan Ruby B-312 Noble six by lrdchief reviews
Inspired by Ruby B-312 by GreenTheRyno Ruby gets whisked away from remnant at a young age, in lists in the Spartan III program, what happens when she is reunited with her home world after the universe presumes her dead? Cover art by Foxtail
Rated: T - English - Adventure/Sci-Fi - Chapters: 29 - Words: 74,317 - Reviews: 94 - Favs: 424 - Follows: 557 - Updated: 2/26 - Published: 12/10/2018 - SPARTAN-B312/Noble Six, Team RWBY
The Emerald Knight by HeyMrJack reviews
They say that The Emerald Knight is a legend, a fairytale. They say that he wore impenetrable green armor, and wielded a powerful sword that could cut through thousands of men and grimm in seconds- however, that is all a legend. The truth? The Emerald Knight is actually a sleeping soldier from another world, and he has now woken up to fight once more and this time, it's for Remnant
Rated: T - English - Adventure - Chapters: 7 - Words: 38,115 - Reviews: 75 - Favs: 313 - Follows: 468 - Updated: 12/21/2020 - Published: 3/23/2019 - Master Chief/John-117, Team RWBY, Oscar P., Ozma
Every Wolf needs a pack (CANCELLED) by Raider5000 reviews
Noble Six had a change of mind on the corvette. Save Jorge, and instead she would detonate the bomb. At least that is how it would go. She would die and that would be the end of that. But instead she wakes up on the world where fairy tales are realities. Look out Remnant, here comes the Wolf. (PAIRING UNDECIDED. YOU CHOOSE)
Rated: T - English - Adventure/Romance - Chapters: 2 - Words: 2,426 - Reviews: 26 - Favs: 56 - Follows: 75 - Updated: 12/6/2020 - Published: 5/21/2018 - SPARTAN-B312/Noble Six
Remanentes de una Guerra by Thechurchofcreatore reviews
Lo que deberia haber sido su final se convirtio en el comienzo de una aventura que nisiquiera se esperaria fuera poible, solo le quedara "vivir" en este nuevo entorno con la intencion de no perder a aquellos que considera aliados nuevamente, Reach cayo... pero en esta segunda oportunidad de vida que se le ha entregado no dejara que Remnant tambien lo haga.
Rated: T - Spanish - Adventure/Sci-Fi - Chapters: 1 - Words: 3,748 - Reviews: 1 - Favs: 9 - Follows: 8 - Published: 10/31/2020 - Master Chief/John-117, SPARTAN-B312/Noble Six, Summer R., J. Ironwood
The Chief on Remnant by sergeant peace reviews
three years after the battle of the Ark, Master Chief awakens to a whole new world full of monsterous creatures and super powered teens with odd weaponry. Can he adapt to this new world and threat? or will he succumb to the tide of evil that threatens to destroy life on this small, broken dustball?
Rated: T - English - Chapters: 8 - Words: 47,022 - Reviews: 50 - Favs: 213 - Follows: 291 - Updated: 10/22/2020 - Published: 9/24/2018
A Fallen Spartan's Second Chance by Digital-Chaos-85 reviews
Cal 141 had died on that mission, but for whatever reason Fate had given her a second chance, and she wouldn't waste it. She was given something that was taken from her last time. A family. Also, her two siblings weren't that bad either. They weren't her Spartan siblings, but she would treat them as if they were. A Spartan was the best sibling you could have, after all.
Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 6,278 - Reviews: 13 - Favs: 63 - Follows: 105 - Published: 10/9/2020
Hunter's Rose by The Dark Warden reviews
Spartan-II's. Taken at a young age to be the Sword and Shield of humanity. Very few remain in the year 2558. Almost none have ever returned home. Until now. Thing is, Spartan's are miniature gods of war. And War...war never changes. (Don't like, don't read. Cortana IS Weiss. Will explain later.)
Rated: T - English - Adventure - Chapters: 3 - Words: 13,751 - Reviews: 45 - Favs: 209 - Follows: 288 - Updated: 9/4/2020 - Published: 4/19/2020 - [Ruby R., Cortana] [Yang X.L., Blake B.]
Las estrellas se abren ante nosotros by orlando aba reviews
Casi 10 años después de la guerra humano-Covenant la humanidad quiere herida, pero no muerta intenta reconstruirse y expandirse para cubrir lo que alguna vez fueron muchas de sus antiguas colonias vitrificadas, esa expansión los llevo a un mundo llamado Remmant y otra lucha por venir
Rated: T - Spanish - Sci-Fi/Humor - Chapters: 11 - Words: 32,364 - Reviews: 7 - Favs: 24 - Follows: 25 - Updated: 7/25/2020 - Published: 5/20/2020
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