Trollhunters Crossovers
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Witch Hunter by sakurademonalchemist reviews
Elanor is a displaced witch, fortunately she has experience thanks to her mentor. Now she's going to help the first human Trollhunter survive, and give him the help she never got. She just never expected to find love along the way. She just knows Zelretch is laughing at her though...her luck was chaotic enough that she would end up meeting the last apprentice of Merlin himself!
Crossover - Harry Potter & Trollhunters - Rated: T - English - Adventure/Family - Chapters: 5 - Words: 12,170 - Reviews: 106 - Favs: 609 - Follows: 574 - Updated: 8/1 - Published: 7/23 - Harry P., James Lake Jr./Jim
Slayers and Trollhunters by Starfox5 reviews
Jim Lake has already enough on his page dealing with Gumnar and Angor Rot, and now he is told to recover the Hammer of the Troll Gods in a town named Sunnydale?
Crossover - Buffy: The Vampire Slayer & Trollhunters - Rated: T - English - Adventure/Supernatural - Chapters: 18 - Words: 116,347 - Reviews: 22 - Favs: 29 - Follows: 36 - Updated: 7/31 - Published: 4/3 - [Claire N., James Lake Jr./Jim] Buffy S., Tobias D./Toby
The Inheritance of Arcadia by bookwormjohnny2
As the center of the universe, Arcadua had drawn to it many attantion from all acroos the universe, but what will happern when it will draw to it someone from a adifferant world, or universe all together? i don't own trollhunder or the inheritance cycle
Crossover - Inheritance Cycle & Trollhunters - Rated: T - English - Fantasy/Sci-Fi - Chapters: 1 - Words: 2,051 - Favs: 1 - Follows: 2 - Published: 7/29 - Eragon S., Aaarrrgghh, Blinky, James Lake Jr./Jim
Visitors from Afar by Fabius Maximus reviews
When there was an interaction of magic and technology, Claire Jim and Mr. Blinky find themselves on another world. Earth Bet. But that's okay. How bad could it be?
Crossover - Worm & Trollhunters - Rated: T - English - Drama/Adventure - Chapters: 96 - Words: 176,518 - Reviews: 323 - Favs: 98 - Follows: 109 - Updated: 7/18 - Published: 9/20/2020 - Vista, James Lake Jr./Jim, Claire N., Blinky
Odin's Eye by Az The Dragon reviews
Jim and Krel have no idea where they are exactly. They are stuck on an island with just themselves for company and no signs of a rescue party. In addition, the lack of technological devices makes things worse than they should be. On the other side of the same island, Hiccup just flew into one of the most absurd situations a viking would ever see. Only he doesn't know it yet.
Crossover - How to Train Your Dragon & Trollhunters - Rated: K+ - English - Adventure - Chapters: 10 - Words: 16,505 - Reviews: 42 - Favs: 69 - Follows: 81 - Updated: 6/20 - Published: 3/17/2020 - Astrid, Hiccup, James Lake Jr./Jim
There's Ghosts in Arcadia by polar-or-die reviews
Jim's mom, Barbara Lake, has built a new scientific experiment: a portal to the Ghost Zone. But no matter what she does, it doesn't work, and she leaves town to find new supplies. In her absence, Jim and his friend Toby go to check it out… and accidentally trigger something very dangerous.
Crossover - Danny Phantom & Trollhunters - Rated: T - English - Adventure/Supernatural - Chapters: 4 - Words: 7,878 - Reviews: 5 - Favs: 13 - Follows: 12 - Updated: 5/30 - Published: 4/18/2019 - James Lake Jr./Jim, Claire N., Tobias D./Toby, Barbara Lake
Tales of Arcadia by ladyMagica18 reviews
Life seems pretty great for Jim. His mom is a doctor, his sister's practically perfect. Some would say Jim has everything in the world he could possibly want. But when he finds a mysterious amulet a whole new world opens up, not just for Jim, but his family too.
Crossover - Trollhunters & 3Below: Tales of Arcadia - Rated: K+ - English - Fantasy/Adventure - Chapters: 1 - Words: 1,037 - Reviews: 2 - Favs: 7 - Follows: 10 - Published: 5/23 - James Lake Jr./Jim, OC, Princess Aja Tarron, Prince Krel Tarron
The original troll Hunter by grimmsgaming
arcane Jim Lake back in a land far away in long time ago near Camelot there was an boy of great wisdom and fate but he was hunted by the wizard of Camelot merlin until he created a potion to change his looks and fell in love with an apprentice of merlins but he did not seem as much but a boy but in reality he was there when the world started and he was the boy called Jim lake
Crossover - Trollhunters & 3Below: Tales of Arcadia - Rated: K - English - Mystery/Horror - Chapters: 1 - Words: 464 - Favs: 3 - Follows: 3 - Published: 5/3
Ghosttrolls: More Than Human by polar-or-die reviews
When Casper High shuts down and the students are moved to Arcadia Oaks, Danny Fenton meets Jim Lake. Danny grumpily tries to keep from getting attached - he's not planning on staying long - until a huge attack falls on Arcadia, and he and Jim have to team up, learning they have more in common than they thought they did.
Crossover - Danny Phantom & Trollhunters - Rated: K+ - English - Adventure/Fantasy - Chapters: 13 - Words: 25,932 - Reviews: 54 - Favs: 116 - Follows: 158 - Updated: 4/27 - Published: 7/17/2018
Ruby - huntress and trollhunter extraordinaire by Devashish Karatolios reviews
Trollhunters rwby world mesh, trolls live under places like patch and other isolated areas, and ruby is one of the few people who know.
Crossover - RWBY & Trollhunters - Rated: K - English - Adventure/Fantasy - Chapters: 1 - Words: 792 - Reviews: 2 - Favs: 6 - Follows: 3 - Published: 4/13 - Ruby R., Taiyang X.L., Vendel, Kanjigar
Tales of Prime by TheFussyRogue reviews
Jack Darby and Jim Lake Jr. are cousin who have not seen each since they were 6. Both are now 16 years old and there mothers decide it would be best if what little family they had left got together but with two very different secrets on both sides, can the boy keep there friends and family safe or will there plan crumble?
Crossover - Transformers/Beast Wars & Trollhunters - Rated: K+ - English - Chapters: 10 - Words: 11,597 - Reviews: 6 - Favs: 45 - Follows: 48 - Updated: 3/12 - Published: 7/11/2020 - Jack D., June D., James Lake Jr./Jim, Barbara Lake
Down the Rabbit Hole by Lynse reviews
Wirt had heard a lot of stories about college, but somehow, he still wasn't prepared for one of his roommate's crazy friends to smuggle a hatchet into their dorm room. (Also crosses with Gravity Falls and Danny Phantom) Future fic/college AU (technically)
Crossover - Over the Garden Wall & Trollhunters - Rated: K - English - Friendship/Supernatural - Chapters: 6 - Words: 28,673 - Reviews: 27 - Favs: 35 - Follows: 52 - Updated: 2/28 - Published: 12/31/2018 - Wirt, Tobias D./Toby
Once and Maybe Future by Unstoppable Cyborg reviews
A fanfic collection based on my now-jossed headcanons for Tales of Arcadia: Wizards. Focuses on Douxie, Zoe (whom I call Nimue because I didn't know her name yet when I started writing this), and Archie. Contains cameos of Trollhunters characters.
Crossover - Trollhunters & 3Below: Tales of Arcadia - Rated: T - English - Fantasy/Supernatural - Chapters: 14 - Words: 11,945 - Reviews: 2 - Favs: 13 - Follows: 7 - Updated: 1/18 - Published: 10/20/2019 - James Lake Jr./Jim, Claire N., Pale Lady/Argante
Dancing with an Arkiridion by Darkness-InA-Ninja reviews
Humans do dance together, right Trollhunter? [ Krel x Jim Krelake ] SOULMATE AU
Crossover - Trollhunters & 3Below: Tales of Arcadia - Rated: T - English - Romance/Drama - Chapters: 1 - Words: 3,565 - Reviews: 1 - Favs: 3 - Follows: 3 - Published: 12/20/2020
Wonder is Power by Harmonywriter43 reviews
Raven Lake is not just an ordinary girl. Jim Lake is no ordinary boy. Together they are the extraordinary Trollhunting twins. I am spectacularly talented at losing interest it seems. Hiatus, PM me if you want to finish.
Crossover - Harry Potter & Trollhunters - Rated: T - English - Adventure - Chapters: 5 - Words: 1,807 - Reviews: 17 - Favs: 22 - Follows: 23 - Updated: 9/26/2020 - Published: 7/21/2020 - Harry P., James Lake Jr./Jim
Darklands by BananaBookFan
Jim goes to the Darklands to find Claire's baby brother and he ends up meeting Percy on the way. They both learn new things from each other and fight to find Enrique. They save the baby, but get trapped in Gunmar's prison. While they are in the Darklands, Annabeth and Grover team up with Claire and Toby to save Percy and Jim from the Darklands.
Crossover - Percy Jackson and the Olympians & Trollhunters - Rated: K - English - Romance/Friendship - Chapters: 1 - Words: 690 - Favs: 4 - Follows: 4 - Published: 8/13/2020 - Annabeth C., Percy J., James Lake Jr./Jim, Claire N.
The Trials of teenage supernatural crime fighters by kronk95 reviews
Story idea/ challenge mega crossover Danny Phantom /Randy Cunningham 9th grade ninja/ and hints of rise of the guardians When the dragon council finds out about Jim being the new troll hunter they are not happy in the slightest so they send Jake to investigate and the rest of the secret trio comes to meet the newest supernatural crime fighter. Please Review
Crossover - American Dragon: Jake Long & Trollhunters - Rated: K - English - Romance/Adventure - Chapters: 2 - Words: 632 - Reviews: 2 - Favs: 4 - Follows: 7 - Published: 8/12/2020
Leaving by JustAnotherObsessedFangirl
James doesn't think he can stay anymore, no matter how much he loves his family. Part two in Lake the Merman series.
Crossover - Mako Mermaids & Trollhunters - Rated: K - English - Chapters: 1 - Words: 583 - Favs: 5 - Follows: 1 - Published: 8/8/2020 - Complete
The Boy by JustAnotherObsessedFangirl reviews
Medical student Barbara and her fiance James Lake have some very special, very magical friends in the local Pod of Mermaids, one of who takes them to see the cave where the hatchlings are born and they meet a sweet little Merman. Part one in Lake the Merman series.
Crossover - Mako Mermaids & Trollhunters - Rated: K - English - Chapters: 1 - Words: 3,513 - Reviews: 1 - Favs: 4 - Follows: 1 - Published: 8/8/2020 - Complete
Destiny's Crossroad by Amalialia reviews
The weight of recent events drives Aja to the roof of Arcadia Oaks High, where she unexpectedly encounters the mysterious human, Jim Lake. To her surprise, she finds they have more in common than she could have guessed. Takes place between 3Below S1E9 and S1E10, and during Trollhunters S3E10. One-shot.
Crossover - Trollhunters & 3Below: Tales of Arcadia - Rated: K - English - Hurt/Comfort/Angst - Chapters: 1 - Words: 2,634 - Reviews: 2 - Favs: 22 - Follows: 16 - Published: 6/28/2020 - James Lake Jr./Jim, Princess Aja Tarron - Complete
The Akuma Hunters by LetYourStoriesOut reviews
Sequel to Miraculous: Tales of Arcadia. Ladybug and her team help defeat an escaped Morgana after she pulled them into the dimension of the Trollhunters. To repay them, Trollhunters Jim - now able to be human in the day - and Claire - armed with a martial arts staff - have travelled to Ladybug's dimension to help defeat Hawk Moth once and for all!
Crossover - Miraculous: Tales of Ladybug & Cat Noir & Trollhunters - Rated: T - English - Chapters: 1 - Words: 1,939 - Reviews: 7 - Favs: 15 - Follows: 15 - Published: 6/1/2020
Darkness will fall on the Surface by Jormus
Claire receives a warning from an unlikely source.
Crossover - Stand Still. Stay Silent & Trollhunters - Rated: K+ - English - Supernatural/Suspense - Chapters: 1 - Words: 667 - Favs: 1 - Follows: 1 - Published: 5/7/2020 - Claire N., Pale Lady/Argante - Complete
What it means to be a Hero by Sword of Daylight reviews
A brutal troll named 'Malak the Devious' breaks into Trollmarket and steals a piece of the heartstone. Meanwhile a mysterious man draws the attention of Hiro's hero team breaking into their school. But how does it all relate to Max Mcgrath and Hiccup Haddock? Full Summary in Chapter I. Multicrossover: TROLLHUNTERS, MAX STEEL, Baymax, Dreamworks DRAGONS
Crossover - Max Steel & Trollhunters - Rated: T - English - Adventure/Friendship - Chapters: 1 - Words: 3,611 - Reviews: 2 - Favs: 5 - Follows: 11 - Published: 4/30/2020 - James Lake Jr./Jim
Nightmares in Trollmarket by Inuyasha5 reviews
when nightmares strike trollmarket, Jim has no choice but to point fingers at Danny Fenton, the newcomer to his school. but unknown to him, Danny is being conspired against by the sinister Nocturn.
Crossover - Danny Phantom & Trollhunters - Rated: K+ - English - Adventure/Fantasy - Chapters: 1 - Words: 5,546 - Reviews: 3 - Favs: 3 - Follows: 5 - Published: 4/22/2020 - Danny F., Nocturne, Amorpho, James Lake Jr./Jim
Demigods In Arcadia - A PJO Crossover Fanfiction by MistMagickyHazel reviews
The Seven go on a Road Trip from Camp Half-Blood to Camp Jupiter. After a long trip, they accidentally crash their van in Arcadia. Set after the Giant War but Leo doesn't die (No Calypso) and in Part 2 of Season 1 of Trollhunters.
Crossover - Percy Jackson and the Olympians & Trollhunters - Rated: K+ - English - Adventure/Humor - Chapters: 3 - Words: 1,502 - Reviews: 16 - Favs: 12 - Follows: 13 - Updated: 3/17/2020 - Published: 9/16/2019
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