Kingdom Hearts Crossovers
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unOrdinary DawN by kingq2a08
Come home after many adventures, John Doe enrolls in to Wellston High School to finish his education. However with many things hiding in the Darkness can John and his allies survive or will they all be swallowed up. This is an unOrdinary X Kingdom Hearts fanfic. I do NOT own either property.
Crossover - Kingdom Hearts & Misc. Comics - Rated: T - English - Fantasy/Adventure - Chapters: 9 - Words: 37,682 - Favs: 3 - Follows: 6 - Updated: 7/23 - Published: 11/28/2023
A Song of Fire, Ice and Hearts by Jebest4781 reviews
Venturing outside of the Heart of his Somebody, a Nobody enters a World where it's at the brink of self destruction. Will he be able to handle and survive the Game of Thrones. Rated M for language, violence, etc. Pairings hidden at current time. KHXGoT/ASoIaF CoWritten by free man writer. Cover Image by Carlos M. Please leave reviews.
Crossover - Kingdom Hearts & Game of Thrones - Rated: M - English - Adventure/Fantasy - Chapters: 41 - Words: 812,598 - Reviews: 715 - Favs: 811 - Follows: 861 - Updated: 7/22 - Published: 11/4/2019 - Roxas, Lea, Daenerys T., Eddard S.
Vigilante Heart by Scififan33 reviews
Tim Drake lay dying in the sand, his quest unfinished and Pru dying nearby. But there was nothing he could do, he'd lost too much blood. Waking to a figure with silver hair leaning over him had to be a hallucination and he honestly expected to never wake up again. So where exactly was he and what did these people want with him?
Crossover - Batman & Kingdom Hearts - Rated: T - English - Fantasy - Chapters: 8 - Words: 26,413 - Reviews: 12 - Favs: 46 - Follows: 51 - Updated: 7/22 - Published: 9/24/2023 - [Timothy D./Red Robin, Sora] Riku
The Princess And The Maverick Vol 2 by SORARULES23 reviews
More than a year after Rapunzel and Orion left Corona for separate journeys. Both the Princess of Corona and the Maverick have returned with new friends. Nee challenges to face. Worlds to see. A Kingdom to defend. All the while preparing for the biggest challenge they'll ever face that is soon to come. (A sequel to The Princess And The Maverick: What If?)
Crossover - Kingdom Hearts & Tangled - Rated: T - English - Fantasy/Adventure - Chapters: 21 - Words: 429,335 - Reviews: 47 - Favs: 11 - Follows: 10 - Updated: 7/21 - Published: 9/4/2022 - [Rapunzel, Eugene F./Flynn R.] OC, Cassandra
God of War: Chains of the Heart by Lets Do That Again reviews
When an otherworldly visitor crashed into Midgard, Kratos begrudgingly accepts that his life is about to get weird. Again.
Crossover - Kingdom Hearts & God of War - Rated: T - English - Humor/Adventure - Chapters: 44 - Words: 222,543 - Reviews: 416 - Favs: 430 - Follows: 452 - Updated: 7/21 - Published: 4/20/2023 - Sora, Atreus, Kratos
War of the Hearts by World Archivist reviews
The Human-Covenant war had left an undeniable scar on the galaxy. Now in the year 2553, a new enemy shall appear, and a new war shall begin, one with origins in a time before the Halo Array.
Crossover - Halo & Kingdom Hearts - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 3,090 - Reviews: 1 - Favs: 5 - Follows: 7 - Updated: 6/21 - Published: 4/19
Kingdom Hearts x Sword Art Online by Sora1358 reviews
Sora is retaking the Mark of Mastery so he’ll enter the world of Sword Art Online to do it. In that world his heart will be tested in this death game but will he able to come out on top this time
Crossover - Sword Art Online/ソードアート・オンライン & Kingdom Hearts - Rated: T - English - Adventure/Friendship - Chapters: 8 - Words: 46,276 - Reviews: 8 - Favs: 7 - Follows: 9 - Updated: 7/20 - Published: 2/9
Sword Art Kingdom III by Jacob Pendra-Huth reviews
The final series of the Xehanort/Younsol arc, with Sora, Asuna, Kirito, & their companions banding together against Organization XVI, as well as another threat that is gathering darkness. With two dimensions on the line, the heroes must seek out not just the Guardians of Light, but the Lost Princesses of Heart, in order to fight back the darkness... no matter the cost.
Crossover - Kingdom Hearts & Sword Art Online/ソードアート・オンライン - Rated: T - English - Chapters: 31 - Words: 461,269 - Reviews: 670 - Favs: 245 - Follows: 209 - Updated: 7/20 - Published: 1/26/2019
Breath of Change by Greybowtie reviews
There had to be a way to switch her back, so thus begins Sora and Riku's journey to finding a cure for Kairi. Kingdom Hearts characters in the Demon Slayer universe. Strong mentions of blood and violence.
Crossover - Kingdom Hearts & Kimetsu no Yaiba/鬼滅の刃 - Rated: T - English - Supernatural/Adventure - Chapters: 6 - Words: 20,025 - Reviews: 3 - Favs: 10 - Follows: 16 - Updated: 7/19 - Published: 8/3/2020
Legend of Heroes: Trails of Steel Hearts by zack25king reviews
A task from Aidios herself, Sora journeys to Erebonia. A country in a world called Zemuria. Sora must help the heroes of this land stop a lurking darkness that has been part of Erebonia since ancient history. Sora will gain new allies, and friends as he fight against new and even old enemies.
Crossover - Kingdom Hearts & Legend of Heroes - Rated: M - English - Adventure/Friendship - Chapters: 3 - Words: 16,262 - Reviews: 16 - Favs: 28 - Follows: 35 - Updated: 7/18 - Published: 5/6 - Sora, Rean S.
Fairy's Blade Chronicles by GREAT CELESTIAL-DRAGON reviews
Taren the son of Sora and Kairi is thrusted into an adventure where he will be called to save his world and the magix dimension from a mysterious new evil on the move. In his journey he will meet new friends, enemies and love whilst learning what it means to be a wielder of the Keyblade. (co-writer needed)
Crossover - Kingdom Hearts & Winx Club - Rated: T - English - Fantasy/Adventure - Chapters: 82 - Words: 690,629 - Reviews: 274 - Favs: 141 - Follows: 136 - Updated: 7/18 - Published: 4/13/2018
Cybernetic foxtrotter version 20 by Jamiekeyblade123
Hateko has returned to the past, hoping that her knowledge of the future would be enough to save her parents and friends from the demise of Xehanort and Albert wesker.
Crossover - Kingdom Hearts & Resident Evil - Rated: T - English - Family/Horror - Chapters: 1 - Words: 2,148 - Published: 7/17 - Sora, Ava, Rebecca C.
The Journey to Obtain Love by Jamiekeyblade123
Ayane had thought her life to be perfect after the death of the wicked sea witch, nearly fourteen years ago. Now it was time for the princess of the sea to experience the world beyond the vastness of her sea, and the lands above in an attempt to save her kingdom in a battle between the past and present.
Crossover - Kingdom Hearts & X-overs - Rated: T - English - Romance/Family - Chapters: 1 - Words: 1,784 - Published: 7/17 - OC
Donna's perfect life by Jamiekeyblade123 reviews
Donna had thought jumping off the waterfall would cure her from the pain inside her heart, but instead she survived, now she is someplace better, happier.
Crossover - Kingdom Hearts & Resident Evil - Rated: T - English - Family/Adventure - Chapters: 1 - Words: 1,855 - Reviews: 1 - Published: 7/17 - OC, D. Beneviento
Maiden vs Friend by Jamiekeyblade123
The Maiden had thought that her death at the hands of her friends was only the beginning, as she attempts to live a new and scary life once escaped the Entity's game. With one question on her mind, can everything be normal when they remember it all upon the reset?
Crossover - Kingdom Hearts & X-overs - Rated: M - English - Horror/Family - Chapters: 1 - Words: 2,577 - Published: 7/17 - OC
The Perfect Descent by Jamiekeyblade123
To many it's a familiar castle of pain, love, despair! To others it's nothing more than a memory that was better left forgotten, but today the castle of Oblivion would be different. A castle that took memories and people from different parts of the Mutiverse to see who would make it out a alive and into a new universe, one where they're lived would be perfect.
Crossover - Kingdom Hearts & X-overs - Rated: T - English - Adventure/Mystery - Chapters: 1 - Words: 2,961 - Published: 7/17 - Sora
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: 608 - Words: 308,818 - Reviews: 6 - Favs: 7 - Follows: 10 - Updated: 7/17 - Published: 1/20/2010 - King Mickey, Goku S.
Ghostly Adventures of Kairi & Sora by FurryTrash23 reviews
Kairi and Sora are sent to Amity Park by Aqua and Yen Sid as part of their Keyblade Master training. With the many enemies of the infamous pasty-faced ghost kid showing signs of darkness, who knows what could happen? Follows the entire plot of Danny Phantom and follows Melody of Memory. (It ignores the true ending of the dlc Re: Mind)
Crossover - Kingdom Hearts & Danny Phantom - Rated: T - English - Adventure/Supernatural - Chapters: 36 - Words: 47,074 - Reviews: 24 - Favs: 31 - Follows: 27 - Updated: 7/16 - Published: 6/10/2021 - [Sora, Kairi] [Danny F., Sam M.]
PokéHearts: New Beginnings by Aoi Hyoudou reviews
Remake to the original. Ash's life is turn upside down when his world is consumed by the Heartless. Now he must embark on a new adventure where he will come across new foes, new enemies, new worlds, and a troublesome past. Takes place after the Kalos arc and a little after Kingdom Hearts Dream Distance Drop. AshXAqua. SoraXKairi. AshHarem. CH XXIV IS UP!
Crossover - Pokémon & Kingdom Hearts - Rated: T - English - Adventure/Fantasy - Chapters: 26 - Words: 120,670 - Reviews: 1012 - Favs: 607 - Follows: 585 - Updated: 7/16 - Published: 1/6/2017 - [Ash K./Satoshi, Aqua] [Sora, Kairi]
Kingdom Hearts The Heir of Light by Hero of Neutrality reviews
Sora. A young boy is destined to rule over a great light but must first battle an evil keyblade master who wants the power for himself.
Crossover - X-overs & Kingdom Hearts - Rated: M - English - Romance/Adventure - Chapters: 11 - Words: 65,456 - Reviews: 1 - Favs: 11 - Follows: 12 - Updated: 7/16 - Published: 7/14 - [Sora, Kairi] [Riku, Naminé]
The Lost Key in Teyvat by KHVSFF reviews
Following the events of Kingdom Hearts 3 Re: Mind, Sora awakens in a strange new world with many questions. Realizing that by using the power of waking he has no way to get back home and must adapt. However, Sora won't be alone in this new world. He will meet all sorts of new friends and even find love interests. What adventures will he find in Teyvat. [Sora x Harem]
Crossover - Kingdom Hearts & Genshin Impact - Rated: T - English - Adventure/Romance - Chapters: 16 - Words: 161,514 - Reviews: 138 - Favs: 349 - Follows: 397 - Updated: 7/15 - Published: 2/13/2022 - Sora, Aether, Eula L., Raiden Shogun/Ei
From The Abyss, We Shine Brightest by VonLeporace reviews
The fight against his student ended, but after the cowardly blow to his back, Master Eraqus thought this would be his end. That is until he awakened in a decadent land corrupted by light and whose only salvation seems to be darkness. But that can't be right, can it? Isn't darkness always evil? Maybe it's time for the master to become a student again.
Crossover - Kingdom Hearts & Dark Souls - Rated: T - English - Adventure/Fantasy - Chapters: 5 - Words: 19,885 - Reviews: 6 - Favs: 21 - Follows: 35 - Updated: 7/15 - Published: 12/29/2023 - Xion, Eraqus, Anri of Astora, Yuria of Londor
DEATH BATTLE: Link VS Sora by Supreme Supra
The Legend of Zelda vs Kingdom Hearts. Two champions of light collide as the Hero of Hyrule battles the Guardian of light!
Crossover - Legend of Zelda & Kingdom Hearts - Rated: T - English - Fantasy - Chapters: 1 - Words: 7,915 - Favs: 3 - Follows: 2 - Published: 7/13 - Link, Sora
Endless Sanctum by Catoust
Time held no meaning in her abode of endless halls and isolated study. The books in her library had all been consumed, annotated, and consumed once again. The appearance of a new section containing books she had never heard of was the third best thing in her life. The adventures afterward? A close second to the arrival of her Traveller. An Alter Ego story.
Crossover - Misc. Games & Kingdom Hearts - Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 9,807 - Favs: 1 - Follows: 1 - Published: 7/10
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: 3 - Words: 15,959 - Reviews: 2 - Favs: 6 - Follows: 5 - Updated: 7/9 - Published: 1/3 - Naminé, Roxas
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