Mortal Instruments Crossovers
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Jace and the Olympians by Kiwi244 reviews
What will Camp Half Blood think when Jace Herondale stumbles into their camp. Will he help the Demigods or go back to deal with his own problems? Rated T just to be safe.
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: T - English - Humor/Adventure - Chapters: 11 - Words: 8,005 - Reviews: 23 - Favs: 10 - Follows: 20 - Updated: 36m - Published: 10/25/2014
On That Winter Day by Sophia Shadowhunter reviews
This is a story of where Tessa Gray, the daughter of a major company owner, returns to her childhood place, London. She meets people she once knew...
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: K+ - English - Friendship/Adventure - Chapters: 2 - Words: 1,712 - Reviews: 2 - Favs: 3 - Follows: 4 - Updated: 18h - Published: 4/25
that was my demon no that was my monster! by athena and artemis magic reviews
what will happen when two monster fighting worlds collide?
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: T - English - Humor/Fantasy - Chapters: 2 - Words: 400 - Reviews: 2 - Follows: 1 - Updated: 20h - Published: 6/27 - Annabeth C., Percy J., Clary F., Jace W.
Clary Daughter of Hades by Anonymous Percy lover reviews
Clary and Percy were cheated on by the same two people. Clary runs away crying and is nearly killed by a very strange looking demon. Percy saved her. Clary and Percy feels like they know each other. When Chiron tells Clary who is her father is Hades came to collect his daughter. Is Hades true intentions are to save or kill his daughter. Can Percy save Clary or is it too late?
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: T - English - Humor/Adventure - Chapters: 5 - Words: 7,272 - Reviews: 5 - Follows: 2 - Updated: 6/30 - Published: 6/24 - Percy J., Clary F.
The New Bells by KitKatWei reviews
Isabella Swan has never existed. The person pretending to be shy, clumsy little Bella, is really the complete polar opposite - Isabelle Lightwood, beautiful, agile, and dangerous, sent to Forks to investigate the new species of vampires. What happens when her mission is over? What will Edward do to get the Bella he loves back? And when the Volturi/Victoria come into the picture?
Crossover - Twilight & Mortal Instruments - Rated: T - English - Romance/Fantasy - Chapters: 11 - Words: 14,301 - Reviews: 33 - Favs: 44 - Follows: 53 - Updated: 6/30 - Published: 1/2 - Edward, Isabelle L.
As An Immortal by Sophia Shadowhunter reviews
This is the story of after Will's...*sob*...death... Tessa meets the young Clary Fray and decides to watch over her.
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: K+ - English - Chapters: 3 - Words: 1,301 - Reviews: 2 - Favs: 2 - Follows: 7 - Updated: 6/29 - Published: 4/19 - Clary F., Magnus B., B. Zachariah, Tessa G.
Question Time with TMI and TID by Izzle Heronstern reviews
Welcome to Question time! Hear all their stories and hear all about the Herondales and ducks! Story is better than description!
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: K - English - Romance/Humor - Chapters: 2 - Words: 1,421 - Reviews: 4 - Favs: 3 - Follows: 5 - Updated: 6/29 - Published: 6/24 - Clary F., Jace W., Will H., Six-Fingered Nigel
The Son of Darkness by KillerWisdom
When an enemy appears, a son of both races, he threatens both races with his abdominal plan. It is up to the teenagers (an some immortals) on each side to defeat him. If they do, it could mean new friendships and alliances. If they don't, it will mean the start of the Demon Age. It's a kidnapping that brings these races together. Demigods and Nephilim. Half Gods and half Angels.
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: T - English - Supernatural/Romance - Chapters: 2 - Words: 2,892 - Updated: 6/28 - Published: 6/26
The Shadowhunters And The Bird Kids by lolamay101 reviews
Max and The Flock run into Jace Lightwood while he is hunting a demon in an alley. Max gets bit by a demon and then Sebastian sends a threat. Now Max and the Flock have no choice but to team up with the Mortal Instruments gang if they even have a chance of surviving. (Rated T just in case) This was formerly known as Maximum Ride Meets The Mortal Instruments Characters!
Crossover - Maximum Ride & Mortal Instruments - Rated: T - English - Adventure/Family - Chapters: 21 - Words: 28,682 - Reviews: 12 - Favs: 1 - Follows: 2 - Updated: 6/28 - Published: 4/18
Wanderlust by cariaudry reviews
The prospects of returning home to New York seem less and less likely for Jace and Clary now that Valentine has captured Idris. The hapless Lightwoods are waiting for any word, anxious to reunite with their friends. Harry and his friends must contend with the growing threat of Voldemort, who, all the while, continues to build his army and prepare for war.
Crossover - Harry Potter & Mortal Instruments - Rated: T - English - Drama/Suspense - Chapters: 6 - Words: 34,509 - Reviews: 20 - Favs: 17 - Follows: 22 - Updated: 6/27 - Published: 4/18
Checkmate by Endless Depth
Screaming. She could feel herself screaming, but her words were drowned out. Savior. She picked up her knives, the retreating back of Edward behind her. The other boy was gone too. She needed to protect them, dream-Aurora knew. The girl was with her. Sacrifice. The girl saved her. Constantly. "You cannot hide. Game over, my friend." Checkmate.
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: T - English - Mystery - Chapters: 4 - Words: 3,723 - Favs: 1 - Follows: 1 - Updated: 6/27 - Published: 6/11 - [OC, OC] Azazel
A Love Like War by Repo101
"It began with a girl and a boy. It ended with a curse and a moon." Callidora Swan was just like any other shadow hunter; killing demons, getting runes, the usual. That is until her sixteenth birthday. Her life will change and it will never be the same. Will love truly conquer all, or will the ghost of her past came back to devour everything she's ever loved?
Crossover - Mortal Instruments & Caster Chronicles - Rated: T - English - Romance - Chapters: 9 - Words: 17,207 - Updated: 6/26 - Published: 5/27
Glamours by DreamShadow22452 reviews
Alyssa Trueblood is a shadowhunter… sort of. For five years, she has been living with her distant relatives in New York, where she is constantly reminded of her ineptitude at just about everything. Cursed with ADHD and Dyslexia, it seems Alyssa will never become the elite killer they all want her to be… until she comes across a strange trio of magical people in orange shirts.
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: T - English - Adventure/Supernatural - Chapters: 14 - Words: 44,238 - Reviews: 25 - Favs: 24 - Follows: 27 - Updated: 6/25 - Published: 8/17/2014
Truth or dare:mortal instrumentsPercy j and crew by Anonymous Percy lover reviews
Truth or dare crossover. Please leave reviews/ TODs and I will try to put them in story. I will also give credit. This story will be up as long as you guys give me TODs- Anonymous Percy Lover
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: T - English - Humor - Chapters: 1 - Words: 377 - Reviews: 1 - Published: 6/25
Make the Last Year Count: A Hogwarts TMI AU by FandomFics reviews
Its Alec's last year at Hogwarts, and he can't wait for school to end. But this year is the Triwizard Tournament, so naturally the whole school is buzzing with excitement. Still, Alec doubts this year will be any better than the previous six. But what happens when a certain Slytherin he's had a crush on finally starts to notice him? Mostly Malec with hints of Sizzy and Clace. AU
Crossover - Harry Potter & Mortal Instruments - Rated: T - English - Romance - Chapters: 25 - Words: 62,523 - Reviews: 84 - Favs: 42 - Follows: 55 - Updated: 6/25 - Published: 8/17/2014 - Alec L., Magnus B., Jace W.
Over The River and Into The Wyldwood by The Clandestine Gerbil reviews
Jace has had the brilliant idea of going into Faerieland. And he's dragged Clary with him. They'll meet a talking cat, an annoying redhead (Not Clary, of course), and they find the only place in Faerie with Wi-Fi. My first story, characters might be slightly OOC, and I adore constructive criticism. Will update sporadically. Rated T to be safe.
Crossover - Mortal Instruments & Iron Fey Series - Rated: T - English - Chapters: 1 - Words: 555 - Reviews: 1 - Follows: 2 - Published: 6/25 - Clary F., Jace W., Meghan, Grimalkin
Zombies sent by the gods by Anonymous Percy lover
Percy woke up with a start. He heard screaming. He rushed outside and there were zombies everywhere. Grover came running in Percy's cabin pulling Percy in with him. Anna is with Ares cabin. When he heard the news he called his long lost best friend Clary. Before he called her clary was on her way to the institute. Izzy was alive. They meet up To stop the gods. And love sparks.
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: T - English - Romance/Adventure - Chapters: 1 - Words: 1,096 - Published: 6/25
The Angel Blooded Avenger by Agent of SciFi reviews
1 year before Ultron is created Clary finds Jace cheating on her. She leaves the institution and is found by Hydra. Now, when Ultron is on the verge of destroying the world can our angel blooded hero use new and old abilities to help save the world and keep the avengers together.(Alternate ending to Age of Ultron and takes place after CoHF) (May have AoS geusts in later chapters)
Crossover - Mortal Instruments & Avengers - Rated: T - English - Chapters: 4 - Words: 3,820 - Reviews: 21 - Favs: 9 - Follows: 14 - Updated: 6/24 - Published: 5/28 - Clary F., Wanda M./Scarlet Witch, Pietro M./Quicksilver
Angelic Life (Original) by 01hanzo
Anna isn't just a Shadowhunter, she is an Angelic Shadowhunter. She's the daughter of an angel- the only problem is that she doesn't know which one. Since demonic activity levels have been rising, she and her fellow Shadowhunters must remain hidden while killing demons that appear. People have been keeping secrets from her, secrets that will change her life.
Crossover - Supernatural & Mortal Instruments - Rated: T - English - Supernatural/Drama - Chapters: 1 - Words: 1,750 - Follows: 3 - Published: 6/24 - Castiel, Lucifer, Gabriel, Lilith
Good Bye for Good by The Aurum Writers reviews
The door of infinity has become a problem. What now? Will is in a tragedy, weeping about the loss of- TMI and PJO crossover.
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: T - English - Humor/Adventure - Chapters: 2 - Words: 1,939 - Reviews: 1 - Updated: 6/22 - Published: 6/14
Try Blend In by Liz399 reviews
With the war finally over everyone is moving on and trying to forget it until rumours of a cup emerge. Said cup is rumoured to give immortality to people who drink from it. Now it's a race between shadowhunters and wizards to try get it first. Two things neither realise: that the other exist& want it and that Sibuna are already protecting it. With the 3 competing what can go wrong?
Crossover - Mortal Instruments & Harry Potter - Rated: T - English - Chapters: 6 - Words: 5,010 - Reviews: 2 - Favs: 2 - Follows: 5 - Updated: 6/22 - Published: 8/12/2014 - [Clary F., Jace W.] Harry P., Hermione G.
What to do when even your parents hate your telepathy by laurenathalasa reviews
Alec Lightwood has powers no other fairy has ever had before; telepathy and telekinesis. His parents locked him up, until he decides to run away from even his brothers, Will Solace and Jem Carstairs. Whilst away he meets dust keeper Magnus, Frost fairy Nico, and fast flyer Will Herondale. Sparks fly and life gets in the way. Will anyone accept him? Solangelo, Malec, Heronstairs.
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: K+ - English - Romance/Fantasy - Chapters: 5 - Words: 8,720 - Reviews: 12 - Favs: 6 - Follows: 14 - Updated: 6/22 - Published: 4/9 - [Will S., Nico A.] [Alec L., Magnus B.]
City of Wayward Sons by ValykirieRevolution reviews
Set in between 5x04 -5x08 and the beginning of City of Ashes. As Sam, Dean, and Castiel struggle to stop the end of days, Clary and the shadowhunters are at a loss to defeat Valentine. After a chance encounter in NYC team free will and the nephilim are forced to work together to save the world. Various pairings and warnings inside.
Crossover - Supernatural & Mortal Instruments - Rated: T - English - Drama/Adventure - Chapters: 21 - Words: 320,432 - Reviews: 21 - Favs: 27 - Follows: 39 - Updated: 6/22 - Published: 8/19/2014 - Sam W., Dean W., Clary F., Jace W.
The True World Discovered by winxclublover1999 reviews
Winx Club and Mortal Instruments Crossover - Bloom leaves the magical Dimension. Leaving her family, her school, her home and most of all her brother Brandon. She is upset. Bloom leaves and ends up in the dark city of New York. She meet Clary, Jace, Jonathan, Izzy, Alec, Simon, Magnus and Mason. They guide her through her new life. Read & Find out more.
Crossover - Winx Club & Mortal Instruments - Rated: T - English - Drama/Adventure - Chapters: 22 - Words: 46,264 - Reviews: 65 - Favs: 11 - Follows: 15 - Updated: 6/22 - Published: 8/28/2014
Life is My New Sea-cret by ashcator2002 reviews
Clary finds Jace cheating on her at Pandemonium, so she runs away. But a new demon attacks her, and she is saved by Percy, and Annabeth. She finds out she is a demigod, and Valentine is not her father. While at Camp Half Blood, trouble arises in New York and Clary, the Seven, and Nico attend the school the shadowhunters go to. Will there be Clace again, and what is the new trouble?
Crossover - Percy Jackson and the Olympians & Mortal Instruments - Rated: T - English - Adventure/Sci-Fi - Chapters: 14 - Words: 19,356 - Reviews: 75 - Favs: 26 - Follows: 41 - Updated: 6/21 - Published: 2/22 - [Clary F., Jace W.] [Annabeth C., Percy J.]
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