For whom the bell trolls

"All is fair in love and war.", a phrase says. In this case it's about war between devided sides of Shadowhunters. One is lead by Valentine Morgenstern and the other defends the race from the cruelest Shadowhunter that's threatening to erace them and create a new race.

In this story, Valentine's son, Jonathan Morgenstern is the main character. Story is set at the center of Mortal War.