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Leonardo Voorhees: Alien Chronicles by Pravus666 reviews
What happens when a 12-year-old Harry is given the Ultimatrix and given the chance to become something greater? Well this is that story, as we follow his misadventures in the world and the worlds beyond, with a legion ready to take on anyone. Rated M for Blood, Violence, Gore, and Mature Themes. Ultimatrix Harry AU. Harry X ?
Crossover - Harry Potter & Ben 10 - Rated: M - English - Sci-Fi/Fantasy - Chapters: 7 - Words: 55,229 - Reviews: 37 - Favs: 94 - Follows: 119 - Updated: 11/1 - Published: 6/29 - Harry P., Voldemort, OC, Charmcaster/Hope
A Different Kind of Magic - The Philosopher's Stone by SilverDragonflymoon reviews
What if the reason Mirabel did not get a gift is due to her being a witch? When Mirabel turns 11, a letter from Hogwarts arrive arrives and everything changes for the young girl and her magical family. This is a rewrite, hope you all enjoy the updated version.
Crossover - Harry Potter & Encanto - Rated: T - English - Fantasy/Family - Chapters: 3 - Words: 14,858 - Reviews: 33 - Favs: 68 - Follows: 74 - Updated: 11/1 - Published: 7/2
Death Is Buffy's Next Great Adventure by dance in the dark reviews
After Willow fails to resurrect Buffy, Buffy wakes in 1942 with amnesia. Sent to a London orphanage she meets a mysterious boy & learns the world is at war. Both worlds, the wizarding and the muggle one. Why is Grindelwald's henchman interested in her? What's a Slayer? Why is there a boggart living in her closet? Who are her family? Maybe her new friend Tom Riddle can help her?
Crossover - Buffy: The Vampire Slayer & Harry Potter - Rated: K+ - English - Drama/Fantasy - Chapters: 96 - Words: 325,024 - Reviews: 552 - Favs: 104 - Follows: 152 - Updated: 11/1 - Published: 9/3/2020 - Buffy S., Joyce S., Tom R. Jr., Gellert G.
Harry Potter & The Ponies of Atlantis by ColtKit Productions reviews
Long ago, magical life hide their continent on the ocean floor. Pony Shifters have Equine, Anthro, or Human forms. With the arrival of Harry Potter, they learn humans are evolving into magic. While Sunset steals Twilight's Crown, to build her own army of new Yokai Shifters. Inspired by "If Wishes Were Ponies" on FiMfiction. AU - Equestria Girls, Multi-Xover (Naruto), Spanking, Yaoi
Crossover - Harry Potter & My Little Pony - Rated: T - English - Chapters: 12 - Words: 47,336 - Reviews: 13 - Favs: 23 - Follows: 25 - Updated: 11/1 - Published: 9/15/2020 - Harry P., Sunset Shimmer, Flash Sentry, Discord
Not broken just bent by Jamie Wolf reviews
FEM-HARRY A overpowered apparition and a wish for safety lands the Golden Trio in the Avenger's tower. Juniper Potter has trouble accepting help but for her friends she does it. But can she accept more from the Winter Soldier, will it matter as Voldemorts after her and Hydras after him? And what is her connection to Tony about?
Crossover - Harry Potter & Captain America - Rated: M - English - Romance - Chapters: 44 - Words: 307,981 - Reviews: 138 - Favs: 300 - Follows: 418 - Updated: 11/1 - Published: 5/10/2021
Book one of Thunder God Series: Rise by TheMadDalek reviews
It was completely the wrong shape for a human and Harry was not an Animagus, so was very used the shape of a human, and therefore clearly aware of his very much not human shaped body. He now had too long a spine, legs that felt like they bent in all the wrong ways, something itched terribly on his back between his shoulders, and there was a sense of extra-ness at the tail bone.
Crossover - Harry Potter & Temeraire - Rated: M - English - Adventure/Friendship - Chapters: 14 - Words: 78,442 - Reviews: 128 - Favs: 400 - Follows: 562 - Updated: 11/1 - Published: 7/3/2016 - Harry P., Luna L., W. Laurence, Temeraire
Kiss of the Dragon by roterdrache reviews
After fighting Voldemort, Harry is catapulted to Westeros and has to start a new life. Armed with the Hallows, he sets out to find his place in the world. HPxRT possibly HPxRTxAH
Crossover - Harry Potter & A song of Ice and Fire - Rated: M - English - Drama/Fantasy - Chapters: 2 - Words: 7,512 - Reviews: 18 - Favs: 226 - Follows: 324 - Updated: 11/1 - Published: 10/12 - Harry P., Rhaenyra T., Alicent H.
Mortal Child by Kimimiela reviews
Harry Potter spent most of his childhood with the Cullen family, not his uncles. "Harry was tired. No, tired is an understatement, he was exhausted. You may now wonder why the greatest hero and saviour of the wizarding world, who just after the war was elevated to a level almost equal to that of a god, felt this way. Well, the answer is simple, he didn't want to be a hero."
Crossover - Harry Potter & Twilight - Rated: T - English - Hurt/Comfort/Fantasy - Chapters: 5 - Words: 12,414 - Reviews: 20 - Favs: 76 - Follows: 112 - Updated: 11/1 - Published: 9/17/2021 - Harry P., Draco M., Bella, Edward
Dokis at Hogwarts: Year One by Honeybarry Cutiedoobles reviews
In 1991, a famous boy with a lightning scar set foot at Hogwarts School of Witchcraft and Wizardry. But this is not his story. Instead, we'll be following the four young witches who arrived at the school around the same time, and their fabulous adventures as each of them learn about magic, friendship and, of course, literature.
Crossover - Harry Potter & Doki Doki Literature Club - Rated: T - English - Friendship/Hurt/Comfort - Chapters: 20 - Words: 115,102 - Reviews: 17 - Favs: 13 - Follows: 18 - Updated: 11/1 - Published: 4/29 - Monika, Natsuki, Sayori, Yuri
The Dragon and His Fairy Godmother by megamatt09 reviews
Harry's down in the dumps after his fourth year. Things get more interesting when a woman shows up claiming to be his Fairy Godmother. Maybe things are on track to change for the better? Debauched and not for children. Harry/Multi.
Crossover - Harry Potter & Legends of Tomorrow - Rated: M - English - Supernatural/Adventure - Chapters: 19 - Words: 123,107 - Reviews: 72 - Favs: 573 - Follows: 652 - Updated: 11/1 - Published: 7/4 - [Harry P., Nora D., Astra L., Fleur D.]
Dragonlord by Dragonspectre01 reviews
As Master of Death time refused to touch Harry. So, he decided to use the Veil seeing as his world was slowly dying. But the Veil, it turns out, was not what he expected. And so begins the journey of the Master of Death in Westeros.
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Adventure/Supernatural - Chapters: 34 - Words: 100,957 - Reviews: 1117 - Favs: 4,952 - Follows: 6,384 - Updated: 11/1 - Published: 9/16/2021 - Harry P., Oberyn M., Daenerys T., Barristan S.
Harry Potter Game of Thrones challenge by timbarney110 reviews
Harry-Potter/ Game of Thrones Challenge.
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Adventure/Romance - Chapters: 4 - Words: 17,532 - Reviews: 16 - Favs: 50 - Follows: 40 - Updated: 11/1 - Published: 1/9/2019
The Road Not Taken by ARYA GREENGRASS reviews
We all know the story of Harry Potter and love it, we know about his life at the Dursleys, Hogwarts and after. But what if something else had happened, what if Harry had been curious about this power in him that made unexplainable things happen around him. What if he had experimented with it, encouraged it? This is what I think would have happened.
Crossover - Harry Potter & Marvel - Rated: M - English - Adventure/Supernatural - Chapters: 22 - Words: 139,362 - Reviews: 285 - Favs: 1,499 - Follows: 2,027 - Updated: 11/1 - Published: 10/6/2021 - Harry P.
The Rise of Harrison James Potter-Spector-Ross by T.J Law reviews
What happens when Dumbledore pisses off Michael 'Mike' Ross when he decides to dump his nephew at the hands of abusive muggles? That have no relation to Lily Potter who happens to be his sister. Will Hogwarts cope with a sharp witty Harry Potter or will the Wizarding World be dragged kicking and screaming into the 21st century?
Crossover - Harry Potter & Suits - Rated: M - English - Adventure/Drama - Chapters: 2 - Words: 5,528 - Reviews: 6 - Favs: 33 - Follows: 41 - Updated: 11/1 - Published: 10/30 - [Harvey S., Mike R.] Harry P., Marauders
The Next Great Adventure by midnightraven89 reviews
When Harry went to the ministry that fateful night, something unexpected happened. Now harry and his chosen family must decide what's best for them and make the hard decision's. Stay and fight for people who wont fight for themselves? or live, live the life they want and not the one pushed at them.
Crossover - Harry Potter & Lord of the Rings - Rated: M - English - Fantasy/Drama - Chapters: 2 - Words: 8,044 - Reviews: 1 - Favs: 9 - Follows: 13 - Published: 11/1 - Harry P., Severus S., Aragorn, Legolas
The Doctor and The Engineer by DontTouchMyTea reviews
Harry stared at the Victorian clockwork man in confusion. This was not a Time Lord. This was not a TARDIS…Then why was he here? The Engineer was only summoned when a Time Lord or A TARDIS needed him to fix something. Harry/Doctor pairing, rating may change. You have been warned.
Crossover - Doctor Who & Harry Potter - Rated: T - English - Romance/Sci-Fi - Chapters: 9 - Words: 27,669 - Reviews: 57 - Favs: 390 - Follows: 569 - Updated: 10/31 - Published: 2/25/2020
Harry Potter and the Teenage Mutant Ninja Turtles: The Magic Begins by Vortex Lord reviews
Harry escaped the Dursley's at a young age and fled to New York City. From there, Master Splinter took him in and trained him in the art of Ninjutsu. Smart Harry! Ravenclaw Harry! Set in the 2003 universe.
Crossover - Harry Potter & Teenage Mutant Ninja Turtles - Rated: K+ - English - Adventure/Family - Chapters: 15 - Words: 43,940 - Reviews: 41 - Favs: 162 - Follows: 166 - Updated: 10/31 - Published: 5/16/2020 - Harry P., Hermione G., Stephen C., Leonardo
Snow Princess by RPM Shadow reviews
Elsa learns that there are others like her and accepts to go to Hogwarts. Bad summery, I know.
Crossover - Harry Potter & Frozen - Rated: K+ - English - Chapters: 10 - Words: 9,419 - Reviews: 55 - Favs: 13 - Follows: 21 - Updated: 10/31 - Published: 11/14/2021 - Harry P., Elsa
The Red Wizard by SilverHoodedKitsune reviews
After escaping Hogwarts in Harry's third year, Sirius went to the ICW and was pronounced innocent. Given guardianship over Harry, the two disappear from Britain and all the dangers that it holds. After a few adventures Harry settles in Kuoh to finish his muggle education. While there he meets some interesting people. AU after third year. Will be Harry/multi, adult situations.
Crossover - Harry Potter & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Humor - Chapters: 10 - Words: 49,367 - Reviews: 134 - Favs: 990 - Follows: 1,442 - Updated: 10/31 - Published: 6/14 - Harry P., Rias G., T. Koneko, Sona S.
Forgotten Family by Koala789 reviews
Harry had thought that the Dursleys and Sirius were his only family left. But Lily Potter had an older brother who had fallen through the ice to save her, years before. During Harry's fifth year at Hogwarts, there's a new teacher, in charge of a new subject—elemental magic. But Harry doesn't understand. Why does Professor Evans act like he knows him? Rated T to be safe.
Crossover - Harry Potter & Rise of the Guardians - Rated: T - English - Family/Mystery - Chapters: 43 - Words: 140,448 - Reviews: 721 - Favs: 1,299 - Follows: 1,525 - Updated: 10/31 - Published: 7/23/2016 - Harry P., Lily Evans P., Jack Frost, Jack's sister
Awake And Alive by Gabriel Herrol reviews
There was more to Harry Potter than met the eye. There was a very good reason as to why he survived so many things that would have killed anybody else. He always silently wondered why. And his answers came while waking up after being hit by a second Killing Curse. (Triple crossover with Harry Potter, High School DxD and TYPE-MOON)
Crossover - Harry Potter & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Supernatural - Chapters: 7 - Words: 46,338 - Reviews: 155 - Favs: 1,435 - Follows: 1,785 - Updated: 10/31 - Published: 1/14/2021 - Harry P., Rias G., Sirzechs L., Serafall L.
Chitsute Book 3 - A medical ninja in Hogwarts by willpower513
Dealing with creepy ninja missions wasn't how Akira Chitsute intended to spend her summer. After surviving to these, she is looking forward to go back to Hogwarts for her third year. With Hogsmeade visits, new courses and many other unplanned events, Akira will have a lot to do as Dark Arts aren't far away from the school.
Crossover - Harry Potter & Naruto - Rated: T - English - Adventure/Fantasy - Chapters: 4 - Words: 19,626 - Favs: 3 - Follows: 2 - Updated: 10/31 - Published: 9/1
Dimensional Veils and Magical Aliens by oniforever reviews
The Veil does not connect to the world of the dead. It is a portal, a portal to another planet, made in the ancient days before transportalizers were invented. Long forgotten, the Veil to Alternia stands in the Department of Mysteries while the other half lies deep underground in a chamber below the hive of one Eridan Ampora. When Sirius falls in, Eridan follows him out. AU, OOC
Crossover - Harry Potter & Homestuck - Rated: T - English - Adventure - Chapters: 16 - Words: 102,846 - Reviews: 298 - Favs: 342 - Follows: 394 - Updated: 10/31 - Published: 6/18/2015 - Harry P., Sirius B., Severus S., Eridan A.
Lucifer Potter and the Charmed by jkelly1251 reviews
Beaten and Bloody Harry Desperate and in pain call out for aid first he reaches up towards heaven and feels the grace of the angels but he is ignored outrage at being ignored he reaches into the earth and feels Damnation and suffering continuing he reaches further until he feels a being of unimaginable power. Feeling it being in a cage he uses his power to become Lucifer.
Crossover - Harry Potter & Supernatural - Rated: M - English - Supernatural/Adventure - Chapters: 2 - Words: 11,497 - Reviews: 7 - Favs: 86 - Follows: 95 - Updated: 10/31 - Published: 2/25 - Harry P., Sirius B., Gabriel, Michael
Harry Potter and the new dinasty of the star by skulldionatorrex reviews
harry portter noe in the university has discovered that is a joestar now he mus fight against dio brndo that has resurrected by the power on ganondor can jorry joettter defeat dio and teh new deadeasters?11111
Crossover - Harry Potter & JoJo's Bizarre Adventure - Rated: M - English - Adventure/Fantasy - Chapters: 5 - Words: 2,340 - Reviews: 2 - Favs: 1 - Updated: 10/31 - Published: 8/28 - Harry P., Ron W., Hermione G., Dio B.
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