Sebastianmorgenstern Stories

We all know Jonathan Morgestern, the evil psychopath brother of Clary Fairchild... But what we didn't know that he wasn't born evil and psychotic. As Valentine used dem...

Y/n Herondale has come to NY institute to oversee activities on Valentine. She meets a new shadowhunter and starts to develop feelings but will she be able to love him a...

"Always stay one step ahead of your enemy." "Look who's finally catching on." "I actually learned that from Katherine Pierce." **** Disclai...

Catherine Graywind lives in the London Institution, where she has been for her entire life. Raised an orphan, she trained in the ways of the Nephilim with excruciating a...

Calypso isn't normal- she always knew she wasn't. With paper white hair, and black eyes like obsidian, she was always teased and given a hard time. But she soon discover...

Requests are closed Jace,Simon,Magnus,Raphael,Alec,Sebastian,Izzy,Maia,Clary

A shadowhunters fanfiction. Set after City of heavenly fire. "What...What are you?." It whispered in a hoarse voice. "You fight like a shadowhunter, but y...

❝Why do we even bother pointing out that something is illegal? We're just going to do it anyway.❞ ( THE MORTAL INSTRUMENTS ) ( CITY OF FALLEN ANGELS, CITY OF LOST SOULS...

"Everyone knows the story of the 'Boy Who Lived' but this book is throwing a twist to the story that everyone knows. This story follows Morgana Potter the supposed...

I will be doing ~Magnus ~Jace ~Simon ~Raphael ~Alec ~Sebastian Feel free to request any character or prompt I'll write anything. A/n: this book has now been discontinu...

An Outlaw. An abomination. A freak-of-Shadow-World-nature. Part Werewolf. Part Vampire. Part Warlock. Part Faerie. Part Demon. Part Angel. Francine was living the lif...

We all know the story... Clary finds out she's a shadowhunter and is taken in by the inhabitants of the New York Institute. But what if someone else gets to her first, s...

Caroline was just a normal girl with a normal life. She had her brother Simon and best friend Clary with her at all times, never wishing for anything different. Her life...

The gang had been living their daily lives at the NYC Institute, (Magnus and Simon shifting between their own apartments and the institute) demon hunting, training, figh...

Clarissa Morgenstern had a fine life up until she was twelve years old. That was the year her father went crazy, the year he killed his wife, the year he killed himself...

This is a story about preferences for Jace Alec Magnus Simon Raphael And Sebastian May also include "how he looks when" or maybe even imagines but no promises.

"There were dozens of papers with complex numerical and alchemical figuring on them and even a piece of stationary that began with 'my beautiful one' in Sebastian's...

My Sister, my Queen. By PilarHeukels. Sebastian convinced Clary to drink from the Dark Cup, by drinking his demon blood she'll become just like him. Clary will learn to...

First he had to get rid of Valentine, then he had to get Angel boy on his side and last but certainly not least he had to meet his little sister. Clonathan

A Mortal instruments fanfiction. Sequel to 'Reflections of night'. Nyx stiffled a gasp. "Oh my god, I think I broke you." Nyx may think she's done with the Cav...