Kingdom Hearts Crossovers
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My Heart's Desire by Curious Kitsune654 reviews
What is the deepest desire within a person's heart? What do they strive for? This is a question many spend their whole life trying to answer, but for others the answer comes screaming into your face. Quite literally in this case. (Request by Pain17ification,)
Crossover - Naruto & Kingdom Hearts - Rated: M - English - Drama/Adventure - Chapters: 5 - Words: 27,250 - Reviews: 109 - Favs: 422 - Follows: 511 - Updated: 9/27 - Published: 7/4/2020 - Naruto U., Aqua
Kingdom Hearts: Shattered Memories by Bola8 reviews
Izuku dream aways was to become a hero, but when suddenly another type of dream started to appear, showing things he never thought possible, his life would change forever.
Crossover - Kingdom Hearts & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Friendship - Chapters: 42 - Words: 295,126 - Reviews: 320 - Favs: 626 - Follows: 678 - Updated: 9/27 - Published: 8/13/2020 - [Izuku M., Ochako U.] Sora, Eri
What if… Sora saved the Justice League? by Spiderfan626 reviews
Journey to face the Unknown as the unthinkable happens. Brainiac turns his sights on Earth to terraform it into a New Colu. With the only heroes who can stop under his control and Waller dead… things seem lost… when the Multiverse gives this earth a chance with a boy who can touch hearts with his own. So follow Sora as you ponder the question: What if…? (Spoilers: for SS:KJL)
Crossover - Kingdom Hearts & Justice League - Rated: T - English - Friendship/Sci-Fi - Chapters: 9 - Words: 105,369 - Reviews: 243 - Favs: 177 - Follows: 205 - Updated: 9/27 - Published: 2/4 - [Bruce W./Batman, Diana of Themyscira/Wonder Woman] Sora, Lois Lane
Heart of a Pirate by Paintball-Gamer reviews
The Straw Hat Pirates show up at Destiny Islands from Skypiea and meet Sora and his friends. But when the Heartless invade, they are all separated. Now Luffy and Sora must join forces to find their friends, and defeat the darkness. KH/One Piece crossover. Cover image by Kiyomisa on Deviantart.
Crossover - Kingdom Hearts & One Piece - Rated: T - English - Adventure/Friendship - Chapters: 16 - Words: 148,715 - Reviews: 221 - Favs: 261 - Follows: 249 - Updated: 9/26 - Published: 9/17/2008 - Luffy, Sora
Kingdom Hearts 4: Fractured Memories by TheGrimWriter14
We all know where Sora's journey goes next, but, a mysterious force causes the timeline to break from a new enemy. Can Sora still save the worlds from the darkness even if everything has changed? What people will he meet this time around? It's time to dive into a new story and find out!
Crossover - X-overs & Kingdom Hearts - Rated: M - English - Adventure - Chapters: 3 - Words: 8,068 - Favs: 1 - Follows: 1 - Updated: 9/26 - Published: 9/22 - [Sora, Kairi]
Kingdom Hearts X-over LOTR: Fellowship of the Ring by SonicFan37 reviews
The six wielders of the Keyblade are tasked to go to another world called Middle-earth, where they will be on a journey to fight for Good, the Light, against Evil, but as usual, dark minds can twist very foundation to their own, as corrupts another to gain what they want, let's hope the heroes triumph of the darkness greater then usual.
Crossover - Lord of the Rings & Kingdom Hearts - Rated: T - English - Adventure/Fantasy - Chapters: 5 - Words: 58,871 - Reviews: 1 - Favs: 5 - Follows: 6 - Updated: 9/26 - Published: 9/16 - Complete
Super Smash Bros Kingdoms of Light and Darkness by JacktheCat779 reviews
A world in the midst of a new struggle. Two factions in the midst of a heated battle that forces the fighters and people from other worlds and dimensions to be caught in it. Though there is one hope that has come to help them. A pure-hearted boy who has experienced dealing with both darkness and light. Arrives in this strange new world. (Cover image by @DoodledStars)
Crossover - Super Smash Brothers & Kingdom Hearts - Rated: T - English - Adventure/Fantasy - Chapters: 8 - Words: 28,086 - Reviews: 1 - Favs: 17 - Follows: 21 - Updated: 9/25 - Published: 1/2/2022 - Joker/Ren A., Banjo, The Luminary/Eleven, Sora
The Chosen Hero's Book 1: The Gathering by sorarocks531 reviews
First Crossover story and fan-fic, The Canadian Wilderness is not only wear I received the warning but it's also wear everything started for me. Rated K for Language, and Violence
Crossover - Digimon/Pokemon & Kingdom Hearts - Rated: K+ - English - Adventure/Fantasy - Chapters: 1 - Words: 1,117 - Reviews: 2 - Updated: 9/25 - Published: 11/6/2012
Return of the Darkness by Fluttershyfan123 reviews
Sequel to Light in the Darkness. A year had passed since Molly and Libby defeated Xehanort and saved Brighton from the darkness. One day, when the Heartless suddenly came back, Molly and Libby found themselves on another journey to battle the darkness as they travel to different worlds and meet friends and enemies, both old and new.
Crossover - Kingdom Hearts & Ghost and Molly McGee - Rated: T - English - Romance/Adventure - Chapters: 18 - Words: 47,429 - Reviews: 25 - Favs: 8 - Follows: 5 - Updated: 9/23 - Published: 4/2 - [Molly M., Libby ST.] Xehanort, Chirithy
Kingdom Hearts Fate Breaker by Kingdomhearts1001282 reviews
Set after Kingdom Hearts 3D. After Sora failed his Mark of Mastery Exam. Master Yen Sid sent Sora to a world that is surround in Darkness. There he will meet girls who is tied to fate as they are trying to defeat the Vertex in the world. But new problems appear as the Girls is struggling. Can Sora be able to save the Girls from their fate. Let the battle begins
Crossover - Kingdom Hearts & Yuki Yuna is a Hero/結城友奈は勇者である - Rated: T - English - Hurt/Comfort/Drama - Chapters: 1 - Words: 1,399 - Reviews: 6 - Favs: 5 - Follows: 9 - Updated: 9/22 - Published: 9/16
Kingdom Hearts: Blue Blur Edition - Chain of Generations by FanFicHazza reviews
After the events of Kingdom Hearts: FM - Blue Blur Edition, Sonic's surprise party is disrupted by a mysterious hedgehog. His friends are scattered through time and space. To save them, Sonic must navigate White Space and his past adventures, all manipulated by the elusive 'Doctor'. Restoring past events and friends is key, but saving memories of forgotten friends is crucial.
Crossover - Sonic the Hedgehog & Kingdom Hearts - Rated: T - English - Adventure/Fantasy - Chapters: 40 - Words: 179,328 - Reviews: 20 - Favs: 32 - Follows: 29 - Updated: 9/22 - Published: 6/30 - Sonic, Dr. Robotnik/Dr. Eggman, Naminé, Ansem the Wise/DiZ
Kingdom Hearts: The Master Who Fell Through the World by Lord Maximus reviews
(Revised Version of Kingdom Hearts: Branches of Desires) A girl fell into a brand new world and found herself in a brand new world but upon her return she was saddened as she wasn't that same girl anymore. A master falls through the world after losing everything but will she be the same or will she become someone else?
Crossover - Kingdom Hearts & RWBY - Rated: T - English - Fantasy/Adventure - Chapters: 189 - Words: 765,200 - Reviews: 1424 - Favs: 212 - Follows: 210 - Updated: 9/21 - Published: 10/13/2021 - Aqua, Terra, Neo, Team RWBY
Aiden, Son Of The Snow Queen by SORARULES23 reviews
After his mother and world was taken away from him. Aiden formally known as the Maverick, is now adopted by Queen Elsa Of Arendelle. But will this modern eight year old boy from another world be able to adjusted his new life as he is now both a prince and a legendary keyblade wielder? And will he be ready for the next journey that's in store for him soon? (A series of one-shots.)
Crossover - Kingdom Hearts & Frozen - Rated: T - English - Family/Friendship - Chapters: 22 - Words: 140,148 - Reviews: 56 - Favs: 30 - Follows: 26 - Updated: 9/21 - Published: 9/23/2018 - OC, Anna, Elsa, Kristoff B.
Kingdom Hearts III-5: A Journey on Teyvat by DyuerisutoX reviews
Après la victoire de Sora face à Xehanort, la suite des évènements étaient censé le faire disparaître afin que ce dernier puisse sauver Kairi. Il se trouve que cette fois, Sora pourrait avoir une idée de l'endroit où elle se trouve. Un monde, où il partira à l'aventure, accompagné d'un voyageur aux cheveux blond et d'une jeune fille flottante. Un monde appellé Teyvat.
Crossover - Kingdom Hearts & Genshin Impact - Rated: T - French - Adventure/Friendship - Chapters: 7 - Words: 45,617 - Reviews: 6 - Favs: 6 - Follows: 9 - Updated: 9/20 - Published: 7/8 - Sora, Aether, Paimon
Kingdom Heart: The Familiar of Light Re:write by YubelXIII reviews
After abusing the power of waking, Sora appeared in a whole new world. Now stripped of the power of waking, Sora now has to find a way home. While showing the inhabitants the true meaning of what magic really is. (Sora X Harem)
Crossover - Kingdom Hearts & Familiar of Zero - Rated: M - English - Adventure/Romance - Chapters: 33 - Words: 346,609 - Reviews: 188 - Favs: 283 - Follows: 335 - Updated: 9/18 - Published: 11/24/2022 - [Sora, Kairi, Louise, Henrietta]
Final Fantasy XIV x Kingdom Hearts: Two Realms United by SonicJoJo reviews
When the Mothercrystal of Hydalyn shattered and spread across other worlds, the Warrior of Light must work with the seven Guardians of Light Sora, Riku, Mickey, Aqua, Ventus, Axol, and Kairi to recover the fragments of Eorzea to restore Hydalyn and save both Realms from Darkness. This a tale of Two Realms United as one.
Crossover - Kingdom Hearts & Final Fantasy XIV - Rated: T - English - Fantasy/Adventure - Chapters: 2 - Words: 919 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 9/18 - Sora, Organization XIII, OC, Gales
The Astral Keyblade by KHVSFF reviews
After the event of KH3 Re:Mind, Sora finds himself in an unknown place with many foreign individuals and sights to behold. However, this will only mark the start of his next journey. One that will have him following the Path of the Trailblaze. Just what adventures will he find while joining the Astral Express? Only time will tell and above all, May his heart be his guiding key...
Crossover - Kingdom Hearts & Honkai: Star Rail - Rated: T - English - Adventure - Chapters: 2 - Words: 20,967 - Reviews: 33 - Favs: 113 - Follows: 142 - Updated: 9/17 - Published: 8/3 - Sora, March 7th, Himeko, Stelle
Reacting to Kingdom Evil Remake 2 by FireWolf674 reviews
When Sora suddenly vanished on Destiny Islands, the Guardians of Light wanted to know what happened to him. They get their wish as a flash of bright light transport them, along with a few other characters, to a place where they will be reacting to the world Sora gets transported to. Can they handle the horror they're about to watch or will it scared them forever?
Crossover - Resident Evil & Kingdom Hearts - Rated: M - English - Horror/Adventure - Chapters: 4 - Words: 14,483 - Reviews: 3 - Favs: 36 - Follows: 39 - Updated: 9/17 - Published: 3/22 - Kairi, Riku, Aqua
Kingdom Hearts SKL by Shin-Dan Kuroto reviews
Sora has awoken. but without Roxas. Now Roxas, along with Naminè have gained a new destiny. One, they have discovered within the Realm of Darkness, A Mazin. Now they must use its power to defend a World of METAL. But will they be Gods or Devils that's entirely up to them
Crossover - Kingdom Hearts & X-overs - Rated: T - English - Adventure/Romance - Chapters: 5 - Words: 24,431 - Reviews: 2 - Favs: 9 - Follows: 8 - Updated: 9/15 - Published: 1/3 - Naminé, Roxas
Red vs Blue: Chain of Memories by Epiclot214 reviews
(Sequel to Red vs Blue: Kingdom Hearts) After their victory over Ansem, the Reds and Blues come across a mysterious castle that somehow has an effect over their memories. To escape and find their friends, they must relive worlds and adventures of the past and uncover the secret of Castle Oblivion. Remember... "Memory is the key."
Crossover - Kingdom Hearts & Red vs. Blue - Rated: T - English - Humor/Adventure - Chapters: 2 - Words: 6,991 - Reviews: 22 - Favs: 35 - Follows: 42 - Updated: 9/15 - Published: 8/18 - Sora, Naminé, M. Caboose, L. Tucker
Kingdom Hearts Route B by RoyalBlueScribe reviews
(Part 1 Complete) What if the Kingdom Hearts series stayed simple? What if there were no in between games, just KH1, KH2 and KH3? What if the story telling and tone of the first game stayed with the series? This is a re-imagining of what the series might have been like if Kingdom Hearts 2 and 3 had followed the story telling style of the first game. Takes please after KH1.
Crossover - Disney & Kingdom Hearts - Rated: K+ - English - Fantasy/Friendship - Chapters: 62 - Words: 459,090 - Reviews: 43 - Favs: 62 - Follows: 70 - Updated: 9/14 - Published: 12/8/2019 - [Sora, Kairi] Riku, The Heartless
I'm Nobody by free man writer reviews
He didn't have anything when he was born. Just a name and number. But over time, what he had grew. He, with his friends began to understand that there was more to their existence then just their name and number. They will prove that they were meant to be real. To exist. To become something more than just a Nobody. Co-written and created with Jebest4781. Fem Shepard. Now on Ao3.
Crossover - Kingdom Hearts & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 47 - Words: 814,031 - Reviews: 732 - Favs: 717 - Follows: 748 - Updated: 9/14 - Published: 9/13/2020 - Axel, Roxas, Xion, Shepard
Kingdom Hearts: Saving Life in Another World by GreenWarrior291 reviews
After having defeated Xehanort and managed to have saved Kairi from her fate, Sora disappears into a dark abyss of Darkness. Just as it seems like it'll be an endless sleep for having abused the Power of Waking, an outsider manages to teleport the young keyblade wielder into a different world.
Crossover - Kingdom Hearts & Re:Zero - Rated: T - English - Adventure/Drama - Chapters: 106 - Words: 1,034,875 - Reviews: 571 - Favs: 307 - Follows: 302 - Updated: 9/14 - Published: 10/27/2020 - Sora, Master of Masters, Subaru N., Emilia
Displaced Confusion! by mpalmer89 reviews
Bill Cipher makes a deal with Goku to defeat an invasion from another universe! Rick and Morty get caught in the crossfire.
Crossover - Kingdom Hearts & Dragon Ball GT - Rated: M - English - Adventure/Drama - Chapters: 609 - Words: 316,904 - Reviews: 6 - Favs: 7 - Follows: 10 - Updated: 9/13 - Published: 1/20/2010 - King Mickey, Goku S.
Kingdom Hearts Chain of Memories RWBY Mix by spiralpaladin reviews
After defeating Ansem and restoring peace to the worlds, Sora, Ruby, Donald, and Goofy embark on a new adventure. To get Ruby back home, and find Riku and King Micky. Little do they know, their exploits have been observed by mysterious forces with knowledge of something important that Sora has forgotten. What will he give to remember it? And where does Ruby fit into their plans?
Crossover - Kingdom Hearts & RWBY - Rated: K+ - English - Adventure/Friendship - Chapters: 4 - Words: 9,013 - Reviews: 14 - Favs: 43 - Follows: 51 - Updated: 9/13 - Published: 8/30
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