RWBY: Heroes United
  • Reads 156,808
  • Votes 2,207
  • Parts 116
  • Time 118h 32m
  • Reads 156,808
  • Votes 2,207
  • Parts 116
  • Time 118h 32m
Ongoing, First published Jun 09, 2017
Ben 10, wielder of the Ultimatrix, has gone on some crazy adventures including traveling to a parallel universe (Generator Rex). But this one has got to be his craziest one yet. Ben Tennyson has landed yet in another universe, the mysterious World of Remnant, a place that is inhabited by Humans, Faunus, and the Creatures of Grimm. Along the way he'll learn to work together with Team RWBY and JNPR, while saving Remnant from falling to darkness by the mysterious Salem with the help of his new team, Team 10 with his friends Rex Salazar from his previous adventure and Zak Saturday the Cryptid Hero. However, he would learn about his special Destiny that would tie his fate to the entire Multiverse while starting his own Family... A Big Family with a lot of girls... Along with their crazy and Wild adventures.
(MAJOR AU where Omniverse didn't happen and Julie Yamamoto is going to be sharing him with Yang and Harem.)
[ Ben Tennyson X Yang Xiao Long X Harem Girls OC Cryptids X Rosario   Vampire Girls except Yukari]
[ Rex Salazar X Ruby Rose ]
[ Zak Saturday X Blake Belladonna ]

Ben 10: Ultimate Alien, Secret Saturdays, and Generator Rex are owned by Man of Action, Jay Stephens, and Cartoon Network.

RWBY is owned by Rooster Teeth Productions, LLC. and Monty Oum (RIP)
Rosario   Vampire is owned by Akihisa Ikeda and Funimation Entertainment
BlazBlue, Persona, Under Night In-Birth, and Akatsuki En-Eins are owned by Arc Systems Work, Atlus, French Bread, and Subtle Style.

(Please note I will have the Cryptids from Secret Saturdays and Rosario   Vampire Yokais coexist in the SS/B10 world as Cryptids.)

(Reminder: I will NOT tolerate Flame Comments. I am trying real hard to not make this boring. The BlazBlue Cross Tag Battle Chapter with RWBY is Canon. And for Smash Bros. Ultimate, like Kirby, I have very good reasons that this will NOT be complicated. Thank You.)

P.S. The Ben being an Anodite, I've made it so for the Plot he would be involved with Zak's Past Life as Kur.
All Rights Reserved
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Jaune Arc Multiverse (Complete) by baaxter588
6 parts Complete Mature
This is an alternate RWBY universe where a counterpart of Jaune was created after the real one fell into the void. He doesn't remember the events of the volumes but now him and the others can be warned. Summer, Glynda, and Cinder are Jaune's aunts in this one, making Jaune the cousin of Ruby Rose (on Summer's side), Oscar Pine (adopted by the Rose/Xiao-Long Family), and Neo (on Cinder's side). Roman and Cinder are married while having Neo as their daughter. Qrow and Summer are married too and Qrow is Ruby's father while they have adopted Oscar. Whitley Schnne is now nicer and is in love with Penny. Oscar, Whitley, Blade, and Bang are the male version of Team RWBY and younger brothers of them but Yin hates Yang, which the feeling is mutual because she sees her brothers as an immature monster, which is hypocritical since she's in it for the thrill of being a huntress. Johann Arc and Sierra Arc are cousins of Jaune but they act more like older siblings. Cardin's family is invited as well but his sister, mother, uncle, aunt, and male cousin don't act like him. There are new students in this universe: Team BLUE and Team PRON from Beacon, Team ARC, Team DETA, and Team BACH from Atlas, Team DOOM and Team HOPE from Haven, and Team DAWN and Team SAND from Shade. Team BLUE's only male member doesn't like his team because of how they treat him and one of them cheated on him for selfish reasons. He is only close to Team DOOM and Team DAWN because they support him but he also is friends with Ruby, Jaune, Velvet, Sun, Penny, and Mercury.
The Experiment Who Became a Hero | Ben 10 Crossoverish Large Harem x Male Reader by JukoThe10-Tails
8 parts Ongoing Mature
It was supposed to be an awesome summer vacation for Ben Tennyson. To finally get away from it all and be with his grandpa Max, only to find not only is his cousin, Gwen, coming as well, but also his twin sister Jen and a group of 4 girls he's never met before. He couldn't believe his luck, not only does he now have to spend more time with his cousin but his sister and 4 more girls as well. He cursed his rotten luck, but had no choice but to just deal with it. Well, stopping by a campsite and after an argument with his cousin. Ben storms off, only for his sister to follow him. She tries to cool him off, but he doesn't care. However, the pair soon spots something in the sky. This object then redirects itself and head straight at them, which they just barely dodge. Overcome with curiosity, the pair went to look at it, only to find some kind of strange medal round object. When they got a closer look, it suddenly opened and 2 odd looking object sprung out and attached to their wrists. It wasn't long after that, did the pair found out that these watches allow them to turn into strange creatures with superpowers. After a fight with a strange robot, the Rust Becket was on the road again, but on the way they found a strange boy laying on the round. When this boy woke up with no memory of who he is or why he was there. The only thing he could remember is his name........ Y/n. Who is this mysterious boy, and how will this chance meeting change their lives forever? Inspired by = https://www.wattpad.com/story/284539328-ben-10-harem-x-male-reader by @mrgrizzlys -Disclaimer- If you're under the age of 18, do not read this. My Tags; * Action Based * Hidden * Multiple/Harem ** Large
My Adventures with a Hero. (Former Carnitrix timeline Ben 10 x Lois lane) by Megamaniac67
11 parts Ongoing Mature
(This is a DC timeline where Ben was cursed with the Carnitrix. A device made to break any connections to with other races. The Insane Azmuth was killed by Tetrax and Vilgax through a temporary alliance but the pod was sent away. On Earth Ben was just having a Summer vacation when he goes to find a shooting star that housed a watch. The Watch latched onto him and he was forced into transforming into monsters and killing his family. One day Eon Appeared and "recruited" Ben for his Time war. After the battle all the bad bens were sent back to their timeline except Carnitrix Ben. Professor Paradox briefly saw a vision of what this Ben's world would be like without a hero. He shared it with the other Tennyson's after Future Ben Prime's Atomic-X form annialted the Carnitrix. Azmuth from the "Together We are heroes timeline" Came to give his Ben tennyson the completed omnitrix. Titan Ben tells what happened to Carnitirx Ben and Azmuth gifts this Ben with the Original omnitrix. Thanks to the Bens all traces of the Carnitrix were erased from that Ben's world along with the lives lost. (Because. . . . Alien X) Ben with what no watch ben said had 11 years to get himself prepared for what is to come. This is his story. I do not own any of these series. Super man is owned by DC Ben 10 is owned by Man of Action The Carnitrix story is made by The Man in the Shadows. This story might not take off but I hope you will like it.
ALIEN HIGHSCHOOL: DXD ( Alien X Devil 10 )  by ALPHAFURY09TF02
15 parts Ongoing Mature
PLOT: Ben has just lost his Feedback transformation from his fight against a corrupted Galvanic Mechamorph Malware, during his summer time at Bellwood at the age of 11 and because of that he has to make sure everyone forgets who he is as the leader of the now disbanded Team of superheroes The Alien Force after his Identity getting exposed during the Balloon Parade festival in Bellwood when Vilgax decided to invade at the end of Summer when he was 10 years old and due to this Ben has been living a harsh life shutting everyone out due to the tragedy over Malware. However that didn't stop from trying to move on and have a future by removing the Omnitrix but things changes three years later when he was 14 his parents has decided to move into Japan where he was force to enroll into a Japanese school called Kuoh Academy in a town called Kuoh which was used to be a school for only girls till they change the system by accepting males students for almost four years now and male students had been enrolling there to see how the school handle the sudden change and they started inviting foreign student as well to be a trial run for more new students each other to enroll and experience the change and that leads to our hero even though his parents were forced to move due to his father's job at The Greymor Incorporated an international City engineering and gas line company of Japan that has been around since the first generation where Japan has become part of the world's modern advancement since the late 1920s. Anyways due to this fate has decided to change his life forever as a certain Red Dragon decided to fuse with his pure soul after his tragic past when he removed the Omnitrix but now he will soon find it hard to put it back as a challenge to fight the Oncoming odds.
Fight Like Hell! (A DOOM x RWBY AU story) by Warlord-Dregon
26 parts Complete Mature
[DISCONTINUED] Attention: This is an AU for both DOOM and RWBY. Some things will be altered or changed involving the protagonist and the lore of DOOM, and it won't follow the story of RWBY. Major changes will be involved for the show. I hope you understand. Rip and tear...rip and tear is all the Doom Slayer knows... After slaying the Spiderdemon, the Doom Slayer, y/n, was sent to Remnant by none other than Dr Samuel Hayden himself. Whether it was an accident or not is a mystery... Upon waking up, the Slayer noticed something was off. He will need to use everything he has to survive the new, harsh world he was sent to. He'll soon learn that the demons from Hell aren't the only demons he will have to rip and tear. His time is not yet over...far from it... Warning, "Fight Like Hell!" will contain the following that may be unpleasant for some people: •Blood, violence, and gore •Strong use of language •Mild/crude/terrible humor •Small amount of sexual themes and references •Use of drugs •imagines showing unpleasant themes I absolutely don't own rwby or DOOM. They belong to their respective owners. I also don't own any pics, gifs, or videos. (Semi-spoil alert) P.s. I know it says harem in the tags, but it'll be small. I'm only planning on having 3 or 4 girls and a VERY slim chance for 5. It won't be all at once either, I'm planning on having development with the love interests. And even though there will be a harem, by the end of this story, the mc will choose only one girl.
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"In a world where Grimm, Danger Beasts, Monsters, and notorious villains run rampant, there are those who stand against them. Benders, Huntsmen, Heroes, people who have the power to fight them, for the sole purpose of defending the innocent. At least some of them. Other guys just want to prove how powerful they are, and push around people without powers. I learned that the hard way. My name is Y/n Tennyson. I'm 20 years old, and I am in possession of the most powerful alien weapons, in the universe. When I was little, people like Bakugo and Issei picked on me everyday, just because I was too powerless to do anything. So one day, I decided to drop out of Union Academy and went on a cross country road trip with my grandpa and cousin. Then on our first stop, I went out on a walk where a meteor fell out of the sky and crashed right in front of me. But, as it turns out, it wasn't a meteor, but a pod containing a watch that, once stuck upon your wrist, could turn you into any alien you want. Needless to say that my life went uphill from there. I traveled across the galaxy, saved it from blowing up. Fought a giant alien, AS a giant alien. Stopped a race from destroying the universe. Blew up my watch. Got a new one. Dated a tennis player, and broke up with her. Fought a giant alien, as a giant alien AGAIN, this time in Tokyo. Killed an interdimensional demon along with my archnemesis. And made friends with a Slimebiote named Skurd. Now me and my friends are unlicensed heroes who defend the world from destruction. Mainly because it's the right thing to do, but partially to show Union Academy what kind of hero I am now. And I can't wait to see the look on their faces." (None of the images, videos, or gifs in the book belong to me. I own none of the properties you will see in this fan fiction, they all belong to their respective owners. Any characters depicted in romantic or sexual context is 18 years old or older. You belong to yourself.)
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The Ark of War (Crossover x Emperor male reader) by Primarch_MJ
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I do not own WH40k, Arknights, Azur lane, or references to other franchises, or Halo for that matter. I don't own star wars either. --------------------------------------------------------------------------------------------------------------------------------------- You lost, The Darkness Encroaches upon the other Dimensions, No longer contained and held at bay by the Imperium, with the Imperium scattered and Fractured, in the wake of the Newley crowned Emperor's (Y/n's) Disappearance through the Golden slip space rupture.. While Remnants of the Imperium and its vassals still fight on, to do what they can, they are mostly leaderless, with the only surviving members of the Royal Family being Y/n's younger siblings, Chris(tina) and Pyre, and his twin, Selene. yet all is not lost, A Search Begins, a Hunt ends, Legends will be proven true, while old myths come back to the chessboard, Will Dawn or Dusk Yield? The Ark Of War Begins, and with it, the Pendulum swings... And you are the Catalyst. Yes, I am not good at book covers. No, this is not an official work, like my last story, simply a fanfic, with added elements. Trails of darkness, Is no longer canon in my fanfic's lore. I do not own any of the videos or pictures used in the making of this Fanfic series, and all content goes to original creators. This is the real first book of the series, the prequel will be modified to fit the lore established in THIS book. Also, some of the grammar in the first few chapters is . . . Questionable, to say the least, but please ignore my rushing to get chapters out at first, because it gets better later on.
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Make Things Right (Time & Verse Travel)

6 parts Ongoing Mature

(Male Singularity Reader X Overprotective Caring Crossover Harem) (Re-New) Warning: Blood & Gore, Incest, Language, Etc. Sexual Content under 18 🔞 Y/N L/N is a normal Soldier (As Mercenary) to investigate An Unknown Island (South-Eastern Tips of Kamchatka Peninsula) along with Captain and fellow soldiers, but Y/N been teleported to "Another World" of "Medieval Kingdom"? What would he do? Can he do the right thing (By change the History), or Can he stay out of the Original Timeline (Remnant Timeline)? Disclaimer: I don't own anything (Literally), I own Plot. All stuff belongs to the right owner -RWBY belongs to RoosterTeeth and Legend Monty Oum -Singularity belongs to Raven Software and Activision Stand for Caring/Crossover Years Back: I Re-New my book due to Wattpad of either shut off or something else, you know how this goes. I do my best to write it. Good luck Years Now: Read "Before Starting" and why I mad at them. Story Ranks: #1 --- #2 --- #3 --- #4 --- #5 --- #6 --- #7 --- #8 --- #9 Singularity #10 ---