Merlin Crossovers
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Magical Journey by ladyofthecelts reviews
Merlin's spell accidentally went wrong causing him and Arthur travel to the future, more specifically - to Hogwarts, School of Witchcraft and Wizardry. With the help of three teenage wizards they will try to find a way to return to their time to Camelot. This, however, will also involve attending classes... PS: I don't own Merlin, Harry Potter and characters from both series.
Crossover - Harry Potter & Merlin - Rated: K - English - Fantasy/Friendship - Chapters: 6 - Words: 12,146 - Reviews: 18 - Favs: 9 - Follows: 10 - Updated: 17h - Published: 1/30 - Hermione G., Arthur, Ron W., Severus S.
The Boys Who Lived and The High Preistess of Hogwarts by Pegasus-Dragon reviews
It's Merlin's second year at Hogwarts, and this time he gets to start it with his brother and a whole army of friends at his side. But will their support be enough when enemies from a past he doesn't even remember start to interfere in life at Hogwarts? Bk 2
Crossover - Harry Potter & Merlin - Rated: T - English - Friendship/Adventure - Chapters: 11 - Words: 55,465 - Reviews: 4 - Favs: 42 - Follows: 61 - Updated: 3/3 - Published: 8/19/2021 - [Merlin, Arthur] Harry P., Morgana
Cassiopée Gratien and her life at Hogwarts by Maricate
Her whole world was turned upside down when her curiosity got the better of her. Now she has to navigate through what it means and how to deal with this new-found information. Will become M in later chapters as the story progresses. A slight crossover with my other fic, Llys Dôn. Mainly canon. Will be updated the first of every month until Llys Dôn catches up don't want spoilers :P
Crossover - Harry Potter & Merlin - Rated: T - English - Mystery/Humor - Chapters: 38 - Words: 200,613 - Favs: 10 - Follows: 9 - Updated: 3/1 - Published: 10/30/2020 - Cedric D., OC, Merlin, Arthur
Lost In Camelot by RLD Flame-point Callie-co reviews
A mysterious old man sends Bo and Kenzi hundreds of years into the past. Merlin and Arthur find them and take them to Camelot, where they must navigate a complex maze of medieval society, new romantic entanglements, and magical enemies while searching for a way home and learning some surprising truths about themselves.
Crossover - Merlin & Lost Girl - Rated: M - English - Romance/Supernatural - Chapters: 43 - Words: 191,781 - Reviews: 304 - Favs: 221 - Follows: 260 - Updated: 2/28 - Published: 5/15/2013 - [Merlin, Bo D., Morgana] Kenzi
Harry Potter and the Advances of a Technomage by ExcaliburStuckInMyStoneHeart reviews
After starting up his Technomage business, Merlin has a bunch of new tasks ahead of him. With the resurgence of new prophecies and new opportunities to teach at Hogwarts, Merlin has a busy schedule ahead of him. While also keeping an eye on death's earthbound items and running into familiar faces, all the while having to deal with the world being tormented by Voldemort. (BOOK2)
Crossover - Harry Potter & Merlin - Rated: T - English - Friendship/Supernatural - Chapters: 10 - Words: 56,941 - Reviews: 42 - Favs: 77 - Follows: 116 - Updated: 2/27 - Published: 9/13/2021 - Harry P., Sirius B., Remus L., Merlin
Dragon's Egg by queenofthemoment10
A glimpse into Goldilocks' past. Set before Demons That Haunt you
Crossover - Merlin & Once Upon a Time - Rated: K+ - English - Adventure/Friendship - Chapters: 1 - Words: 1,522 - Published: 2/25 - Merlin, Jefferson/Mad Hatter, OC - Complete
The king, Sorcerers, and Avengers by Stand with Ward and Queen reviews
Arthur Pendragon returns to a world ruled by greedy politicians that is overrun by superheroes who are crucified and threats that lurk behind shadow. Larger summary inside.
Crossover - Merlin & Avengers - Rated: T - English - Fantasy/Adventure - Chapters: 7 - Words: 17,949 - Reviews: 57 - Favs: 56 - Follows: 76 - Updated: 2/9 - Published: 7/22/2021 - Merlin, Arthur, Captain America/Steve R.
Potter Turned Pendragon by Quiliute reviews
Harry Potter was ignored for all his life. It wasn’t until the day of his seventh birthday that he snapped. After running away he meets the legendary Arthur Pendragon who then adopts Harry as his heir. At Hogwarts, Harry becomes friends with a lot of his classmates.
Crossover - Merlin & Harry Potter - Rated: M - English - Family/Adventure - Chapters: 1 - Words: 2,780 - Reviews: 2 - Favs: 28 - Follows: 44 - Published: 2/7 - Arthur, Harry P., Morgana, Sirius B.
The Razing of Camelot (Rewrite) by Wolfeschatten reviews
After they are attacked by the Beast Glatisant from the Tales of King Arthur, Annabeth and Percy find themselves in the middle of Camelot, with no idea of how to get home. Stumbling into a conflict between knights and sorcerers, they must fight to prevent their presence and figures from their own world from changing history. (Set after Last Olympian)
Crossover - Percy Jackson and the Olympians & Merlin - Rated: T - English - Adventure/Fantasy - Chapters: 9 - Words: 77,511 - Reviews: 93 - Favs: 243 - Follows: 257 - Updated: 2/4 - Published: 2/5/2013 - Percy J., Merlin
Harry Potter and the Return of Merlin by luminare91 reviews
** Incomplete and discontinued for revision. A new version to be posted ** The moment Voldemort regained his body, the Old Religion cried out. For the first time in more than a thousand years, Merlin is called from the forward to right the balance once more. Disguised as a fifth year student, he must fight to stop Voldemort when it is not his destiny to do so.
Crossover - Harry Potter & Merlin - Rated: T - English - Drama/Friendship - Chapters: 19 - Words: 91,161 - Reviews: 916 - Favs: 1,496 - Follows: 1,951 - Updated: 2/1 - Published: 12/11/2011 - Harry P., Merlin - Complete
The Secrets We Keep: Merlin Holmes by Kallie01 reviews
Merlin Holmes, the youngest Holmes brother, is known to some as the world's best secret keeper; but when he goes to his brother Sherlock's place to lie low for a while, Merlin's dark secrets may soon see the light of day. Rated T for safety. Warnings at the beginning of chapters.
Crossover - Merlin & Sherlock - Rated: T - English - Family/Angst - Chapters: 14 - Words: 21,012 - Reviews: 141 - Favs: 253 - Follows: 365 - Updated: 1/31 - Published: 9/22/2014 - Merlin, Gwaine, Sherlock H., John W. - Complete
La princesa de Camelot by Natalys reviews
La vida de Hermione poco a poco se va consumiendo después de la guerra cuando una impactante noticia llega a ella: sus padres no son sus verdaderos padres. Sin embargo, al averiguar quienes realmente eran los que le dieron la vida será incapaz de creerlo. Atrapada en un tiempo al que cree no pertenecer, vivirá grandes aventuras junto a un príncipe presuntuoso y un mago inexperto.
Crossover - Harry Potter & Merlin - Rated: M - Spanish - Adventure/Romance - Chapters: 82 - Words: 629,136 - Reviews: 418 - Favs: 195 - Follows: 193 - Updated: 1/30 - Published: 5/24/2015 - [Hermione G., Merlin] Harry P., Arthur
The Mourning Man by StyxHuntress reviews
Arthur Pendragon. Son of Uther Pendragon, wealthy muggle CEO of one of the world's largest investment firms. Oh. He's also a wizard. Upon arriving at Hogwarts School of Witchcraft and Wizardry he begins to notice things. The castle seems so familiar, yet he knows for a fact that he's never been here before. He also hears tell of a spirit. Full Summary and Warning Inside.
Crossover - Harry Potter & Merlin - Rated: T - English - Supernatural/Romance - Chapters: 9 - Words: 16,944 - Reviews: 6 - Favs: 25 - Follows: 26 - Updated: 1/27 - Published: 3/11/2021 - [Arthur, Merlin] George W., Fred W.
Through the Sands of Time by MedievalScribe-FormerClearEyes reviews
"In all my years, it has never happened that a prophecy changes. It was foreseen long ago that young Mordred will join the witch Morgana in evil, but now Mordred has a choice. He can choose to join Morgana in evil or…" the Elder opened the parchment and read from it, "the witch of light who came through the sands of time." Trigger Warnings Inside.
Crossover - Harry Potter & Merlin - Rated: M - English - Adventure/Fantasy - Chapters: 10 - Words: 83,368 - Reviews: 18 - Favs: 40 - Follows: 61 - Updated: 1/23 - Published: 8/15/2020
A Mingling of Magics: The Legacy of Merlin by Astraea802 reviews
In the fall of 2010, Dave Stutler, heir to Merlin's power, tries to escape his destiny. Then his ring had to go and summon Merlin from the past! Along with Miles, a secretive young wizard also summoned by the ring, can the three sorcerers face the demons from their past and save the world? AU, Post-Sorcerer's Shadow, time travel, Avalon High crossover, reincarnation.
Crossover - Merlin & Sorcerer's Apprentice, 2010 - Rated: K+ - English - Friendship/Fantasy - Chapters: 19 - Words: 68,296 - Reviews: 84 - Favs: 76 - Follows: 111 - Updated: 1/19 - Published: 1/6/2012 - Merlin, Dave S.
Timelines by KaiyaJones reviews
Magic was a blessing. When she woke up and felt the world come to life around her she was happy to have survived the war. But the truth was that she was curious. What if… I suck at summeries, but trust me it is worth checking out!
Crossover - Harry Potter & Merlin - Rated: T - English - Drama/Adventure - Chapters: 3 - Words: 14,537 - Reviews: 7 - Favs: 26 - Follows: 32 - Updated: 1/13 - Published: 8/19/2015 - Hermione G., Draco M., Morgana, Merlin
Year of the Dragon by sunstarunicorn reviews
A routine call wraps up with Team One arresting a Dark Arts antiquities dealer. Among the seized loot is a large stone egg alleged to be the last remnant of an extinct race of dragons. Amid the hoots of laughter, Spike asks to take the egg home and sparks a chain of events that's waited a thousand years to hatch. 68th in the It's a Magical Flashpoint series.
Crossover - Flashpoint & Merlin - Rated: T - English - Drama/Humor - Chapters: 12 - Words: 64,412 - Reviews: 17 - Favs: 2 - Follows: 2 - Updated: 1/7 - Published: 10/22/2021 - Lewis Y., Mike S., Team One - Complete
DYNASTY by FicManiac12 reviews
Merlin meets Lena
Crossover - Merlin & Supergirl - Rated: T - English - Romance/Mystery - Chapters: 3 - Words: 2,847 - Reviews: 2 - Favs: 6 - Follows: 15 - Updated: 1/3 - Published: 5/6/2020 - [Merlin, Lena L.]
Duello alla pari by MCcoyJimSpock
Il principe Valiant barò al gioco con un cavaliere del re Thagnar annoiato nel suo regno, nessuna guerra, avventura niente di niente. pur di avere una guerra piombò a Camelot volendo un duello per punire Valiant.
Crossover - Misc. Comics & Merlin - Rated: T - Italian - Adventure/Fantasy - Chapters: 1 - Words: 1,667 - Published: 1/3 - Arthur - Complete
The New Order Of Merlin: The Gathering (book 1) by Kamiccola reviews
In a world of magic and myth, everybody's got a secret or two. Magical twins, Jack and Elsa, fearful of their heartless mother, the Queen of Winter, pretend to be human to hide out at Hogwarts. An immortal sorcerer, Merlin, pretends to be a child to become Harry Potter's secret guardian. An enchanted diary pretends to be little Ginny's secret best friend.
Crossover - Harry Potter & Merlin - Rated: K - English - Fantasy/Friendship - Chapters: 39 - Words: 116,218 - Reviews: 192 - Favs: 117 - Follows: 127 - Updated: 12/31/2021 - Published: 12/11/2018 - Ginny W., Minerva M., Tom R. Jr., Merlin
And The Bearer Of Virtue by Buckhunter
"Camelot fades, giving away to the secure, safe-ish familiarity of the Annex (because the Library is never truly safe, he knows that now- they all do)." A painting in the Arthurian Room calls to Eve; even now, after everything he's been through, Jenkins cannot forget the day that sealed his father's fate as his enemy. One-shot. Post The Librarians S4. Merlin S4E9 on AU.
Crossover - Merlin & Librarians, 2014 - Rated: K+ - English - Friendship/Hurt/Comfort - Chapters: 1 - Words: 5,280 - Published: 12/30/2021 - Merlin, Jenkins/Galahad, Eve B., Dulaque - Complete
Not a Potter by Cookietown reviews
Why does Merlin suddenly have a teenager with him? Is Prince Arthur acting like a parent? ****I don't own Merlin (BBC) or Harry Potter.
Crossover - Harry Potter & Merlin - Rated: T - English - Supernatural - Chapters: 3 - Words: 3,420 - Reviews: 9 - Favs: 103 - Follows: 121 - Updated: 12/24/2021 - Published: 9/29/2019 - Harry P., Merlin, Arthur - Complete
12 Days of RP Christmas by lossofmerlin
"On the first day of Christmas my rp partner gave to me… a starter for all to see." Here lie 12 unique origins of holiday stories. Please comment if you would like to see me write a future fic for any of these lovely ships. And Merry Christmas, everyone!
Crossover - Robin Hood BBC & Merlin - Rated: T - English - Chapters: 13 - Words: 3,294 - Published: 12/13/2021
The life that was forgotten by xem98x reviews
Lilia grew up a simple girl, in a small village. So how did her life end up being so complicated? How did the fate of the world end up being placed on her shoulders? How could she possibly be the key to her sons success when she had died nearly 2000 years before he even knew she was his mother?
Crossover - Harry Potter & Merlin - Rated: T - English - Family/Drama - Chapters: 12 - Words: 25,518 - Reviews: 13 - Favs: 25 - Follows: 35 - Updated: 12/5/2021 - Published: 2/7/2017
Valets and Aristocrats by stikenotes
Merlin has been Arthur's valet for a year or two. Though they did not get along at first, there has never been a closer friendship. All is well at Camelot until a visit from Uther Pendragon's friend Lord Grantham of Downton Abbey and his household turns Merlin and Arthur's friendship on its head. Can Merlin and Arthur survive a world steeped in rapid change and turmoil?
Crossover - Merlin & Downton Abbey - Rated: T - English - Drama/Friendship - Chapters: 1 - Words: 3,146 - Favs: 2 - Follows: 1 - Published: 12/3/2021 - Merlin, Arthur, T. Branson
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