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A doctor in the institute by
loonylupinlunerphase
Doctor who/ The infernal devices. when Londoners begin to turn up in odd places, completely devoid of skin and muscle, the London institute thinks it has to do with demon activity around the rift. What they don't know is there is another rift - one which deals in time and space- and they are going to need help from the universes greatest protector.
Crossover - Doctor Who & Infernal Devices, Cassandra Clare - Rated: K - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 2,814 - Favs: 1 - Follows: 2 - Published: 12/3/2017
Hamilton -- The Infernal Devices Version by
QUACK Inc reviews
The Broadway show songs from Hamilton . . . with a little fandom twist. Copyright QUACK Inc 2017.
Crossover - Infernal Devices, Cassandra Clare & Hamilton - Rated: K - English - Friendship/Parody - Chapters: 3 - Words: 804 - Reviews: 4 - Favs: 5 - Follows: 2 - Updated: 11/26/2017 - Published: 10/16/2017 - Will H., Jem C. - Complete
City of Clockworck by
Clace4EVER2005 reviews
Jace just wanted a nice normal anniversity but of corse that could never happen in fact the oppisite happpens and now hes meeting his ancestore and learing about ducks and demon pox? Cecily/Gabriel Clary/Jace Will/Tessa Sophie/Gidion
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 5,180 - Reviews: 7 - Favs: 10 - Follows: 18 - Updated: 11/16/2017 - Published: 10/14/2017 - Jace W., Clary F., Will H., Tessa G. - Complete
Xandria by
Ronniesheep reviews
Xandria, a homeless teenager from London, finds herself in NYC with Jem, Tessa and a host of other Shadowhunters. Little does she know that she isn't who she thinks she is, but only an infernal device.
Crossover - Infernal Devices, Cassandra Clare & Mortal Instruments - Rated: T - English - Supernatural - Chapters: 12 - Words: 9,660 - Reviews: 3 - Favs: 2 - Follows: 4 - Updated: 10/21/2017 - Published: 3/21/2015 - Magnus B., Tessa G., Jem C.
Tessa meets Alec by
quicktosee2 reviews
Tessa meets Alec and tells Jace Clary and him some of the stories of their ancestor
Crossover - Infernal Devices, Cassandra Clare & Mortal Instruments - Rated: T - English - Family/Hurt/Comfort - Chapters: 1 - Words: 1,861 - Reviews: 3 - Favs: 16 - Follows: 10 - Published: 9/23/2017 - Jem C., Tessa G., Alec L., Magnus B. - Complete
bring me some hope (by wandering into my mind) by
bleuboxes
For as long as Lily Evans has known the infamous James Potter, he's been nothing but unkind towards anyone and everything in his path. Not having known him for very long, she supposes, lapses her judgement; for the others at the Institute seem to have quite a fondness for him despite the obvious qualms about his personality. [james/lily shadowhunter au]
Crossover - Harry Potter & Infernal Devices, Cassandra Clare - Rated: T - English - Supernatural/Romance - Chapters: 1 - Words: 2,308 - Follows: 1 - Published: 9/17/2017
Will's declaration of love for Tessa if Jem hadn't done it first by
Tara of Frell reviews
What if Jem hadn't kissed Tessa that night after they brought Will home? What if he was still buying his time, and Will got there first? This takes place in Clockwork Prince, Chapter 20, the Bitter Root. It starts from Tessa's reaction to Will's declaration.
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: K+ - English - Romance/Drama - Chapters: 1 - Words: 811 - Reviews: 4 - Favs: 6 - Follows: 2 - Published: 9/15/2017
Izzy's Friend by
Kadyrenay18 reviews
Izzy gets a hot new friend named Magnus. Alec has had a crush onMagnus for three years,but will Magnus return his affection? WARNING: this story deals self homophobia, self harm, violence, sexual assault; this story also contains adult language and sexual content.
Crossover - Infernal Devices, Cassandra Clare & Shadowhunters - Rated: M - English - Hurt/Comfort/Romance - Chapters: 2 - Words: 1,567 - Reviews: 1 - Follows: 1 - Published: 9/10/2017 - Magnus B., Alec L., Isabelle L., Jace W.
Unexpected Time Travel by
pottermaniac6 reviews
What happens when Clary,Simon,Jace,Alec,Magnus,Isabelle time travel to the time of the Infernal Devices? Set after CoHF and during CP1 rated T because I'm paranoid
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: T - English - Humor/Adventure - Chapters: 3 - Words: 782 - Reviews: 6 - Favs: 16 - Follows: 21 - Updated: 9/1/2017 - Published: 6/26/2017
New Years Kisses by
Wantstogetfunky reviews
Oneshot. Elena and Will. Don't like don't read. While waiting for her husband on New Year's Eve, 2014, Elena Herondale reminisces about their lives before that day.
Crossover - Vampire Diaries & Infernal Devices, Cassandra Clare - Rated: T - English - Romance/Drama - Chapters: 1 - Words: 1,985 - Reviews: 1 - Favs: 2 - Follows: 1 - Updated: 8/3/2017 - Published: 1/1/2015 - [Elena G., Will H.] [Tessa G., Jem C.] - Complete
Sacrifice of Heart by
Talesofwovensilver reviews
Time Travel fic. What if Jace and Clary's confrontation had gone differently in City of Glass and Clary hadn't made it out of the house. What if Jem didn't fall in love with Tessa but another, young fiery girl. Jem/Clary
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: T - English - Romance - Chapters: 5 - Words: 10,546 - Reviews: 23 - Favs: 59 - Follows: 92 - Updated: 7/9/2017 - Published: 6/4/2016 - [Clary F., Jem C.]
London Gray by
nerdyfangirl34 reviews
Tessa Gray was perfectly fine with her life in New York. She had an aunt that loved her, friends, a brother. Now everything seems to change as the death of her aunt rattles her steady life. Her brother shuts her out and sends her to a boarding school in London, away from her friends. How will she survive in the Institute with the bully 'Shadowhunters' and barely any friends? WESSA!
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: T - English - Drama/Romance - Chapters: 18 - Words: 19,335 - Reviews: 23 - Favs: 23 - Follows: 27 - Updated: 6/25/2017 - Published: 12/5/2016
let me go by
unawareofreality reviews
After clary's father mysteriously died she is sent to live with her mother and brother, whom she has not seen in almost 6 years. Clary is no longer the nerdy redhead with a mouth full of metal, but tries her her best to keep her past in Cali under wraps.((KEEP READING PAST CH1 IK IT SUCKS BUT IT GETS BETTER BY CHAPTER 2 I SWEAR.. PLEASE AND THAnK YOU))
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: T - English - Suspense/Romance - Chapters: 3 - Words: 2,964 - Reviews: 3 - Favs: 2 - Follows: 8 - Updated: 6/20/2017 - Published: 2/19/2017
Unexpected Love by
booksforlife23 reviews
What would happen if Will had moved to the Americas to live with his cousin and his uncle and had met Tessa there? Instead of fighting for their lives, Will and Tessa are struggling to get through High School, all while trying to avoid each other. What happens though when a common friend, brings the two together and they realize they have feelings for each other?
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: K - English - Chapters: 2 - Words: 873 - Reviews: 3 - Follows: 2 - Updated: 6/17/2017 - Published: 11/1/2016
City of Infernal Games by
SilverCarstairs reviews
-UNDER MAJOR EDITING- Because 2013 was 3 years ago, and 3 years ago I evidently did not know what an apostrophe was! TMI/TID in the 75th Annual Hunger Games
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: T - English - Suspense/Friendship - Chapters: 37 - Words: 81,815 - Reviews: 293 - Favs: 82 - Follows: 96 - Updated: 6/11/2017 - Published: 9/11/2013
Letters to Will by
bodysurfer27 reviews
Letters Tessa writes to Will after he has passed, detailing her travels and encounters on her journey through COHF
Crossover - Infernal Devices, Cassandra Clare & Mortal Instruments - Rated: T - English - Romance/Hurt/Comfort - Chapters: 3 - Words: 1,581 - Reviews: 4 - Favs: 4 - Follows: 6 - Updated: 5/24/2017 - Published: 6/1/2016 - Magnus B., Tessa G., Will H., Jem C.
City of Ghosts by
Magic Maryse
The Shadowhunters are faced with a mystery when the bodies of six young women are found within only four weeks. All brutally murdered, all carrying a golden ring with the same strange symbols, and all from a different century. While the Clave is looking for the killer, young Catherine Flynn soon finds out that ghosts are not the danger lurking in the darkness.
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: M - English - Mystery/Horror - Chapters: 1 - Words: 1,869 - Favs: 1 - Follows: 1 - Published: 5/8/2017 - OC, Tessa G., Will H.
Neighbours by
teebug reviews
Clary has to move again due to her mother's disastrous taste in men, but she soon discovers there is a very attractive boy next door that she just can not stop thinking about. All characters owned by Cassandra Clare. Au Clace eventually
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: T - English - Romance - Chapters: 2 - Words: 1,679 - Reviews: 5 - Favs: 3 - Follows: 8 - Updated: 4/17/2017 - Published: 8/21/2016
This Modern Fuck Up by
trifangirls reviews
What if Jace wasn't the cool kid? What if Clary was hiding something? What if they both were?
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: K+ - English - Chapters: 2 - Words: 1,574 - Reviews: 1 - Favs: 1 - Follows: 2 - Updated: 4/15/2017 - Published: 4/12/2017 - Clary F., Jace W., Will H., Jem C.
City of Clockwork by
LPDracobeatsall reviews
So what if Sophie went back in time and told Will and Jem how their story was going to end. How Tessa seemed not to have loved either of them because she continually went back and forth between them. What would they change? How would that affect Clary and Jace? If Clary didn't have Jace, would she have survived the war? (For those who hate Tessa and think Clary is an idiot)
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: T - English - Adventure/Supernatural - Chapters: 8 - Words: 10,592 - Reviews: 11 - Favs: 7 - Follows: 9 - Updated: 4/6/2017 - Published: 5/7/2014 - Clary F., Tessa G., Will H., Jem C.
Memories and Distractions by
ArouraStar reviews
Clockwork Princess SPOILERS, set after page 511 and before CoHF, a few weeks after the subway station. Essentially, Alec needs a distraction from his broken heart and Jem needs to relive his memories. (I don't even know what to call this, Lightstairs? Anyway, m/m don't read if you don't like. Happy ending for Malec)
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: M - English - Romance/Hurt/Comfort - Chapters: 3 - Words: 14,112 - Reviews: 18 - Favs: 44 - Follows: 35 - Updated: 3/10/2017 - Published: 11/25/2013 - Alec L., Magnus B., B. Zachariah, Jem C. - Complete
Reunited by
NotYourTypicalMundane reviews
for every breakup there's a reunion. spoilers for cohf. post cols/cp2. Jem and Tessa rekindle their relationship whilst alec falls slowly into dispair. When Alec disappears one night his fellow shadowhunters turn to Magnus in order to track him down before its too late.
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: T - English - Romance/Tragedy - Chapters: 8 - Words: 4,142 - Reviews: 12 - Favs: 4 - Follows: 11 - Updated: 3/10/2017 - Published: 8/23/2015 - Alec L., Jonathon M./Sebastian V., Tessa G., Jem C.
Penumbra by
j.p.dara
A mysterious force has entered Hogwarts and Lily Evans is in danger.
Crossover - Harry Potter & Infernal Devices, Cassandra Clare - Rated: T - English - Adventure - Chapters: 4 - Words: 11,419 - Favs: 1 - Follows: 1 - Published: 12/14/2016
If I Could Turn Back Time (EDITED AND UPDATED!) by
PrimadonnaGurl13 reviews
Jace, Clary, Alec & Isabelle are taken back in time to save Simon, but accidentally go back too far... - HEY GUYS, I DECIDED TO EDIT AND UPDATE THE CHAPTERS SO EVEN IF YOU'VE READ THEM THERE ARE DIFFERENCES. CHECK IT OUT :) THANKS (kinda canon, not canon)
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: T - English - Fantasy/Friendship - Chapters: 10 - Words: 14,435 - Reviews: 51 - Favs: 98 - Follows: 150 - Updated: 12/9/2016 - Published: 2/8/2012
Taken Back by
brialexandra reviews
When Clary's portal rune defects, she takes herself, Jace, Isabelle, and Alec back in time. Leaving them in the year 1878, London England. And with Clary too injured to wake, how will the Shadowhunters return home? Will their new friends, Tessa and Will, help them? Or will unexpected relations and shocking family secrets, tear them apart?
Crossover - Mortal Instruments & Infernal Devices, Cassandra Clare - Rated: T - English - Adventure/Fantasy - Chapters: 7 - Words: 13,254 - Reviews: 104 - Favs: 166 - Follows: 241 - Updated: 11/29/2016 - Published: 11/20/2015 - Alec L., Clary F., Isabelle L., Jace W.
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