Jace

This is Jace, He is a Shadowhunter and he was In the Pandemonium, until he accidentally pushed you , a few hours later , your house was destroyed, fire in ur room, glass everywhere, and you saw a shapeshifting demon, you thought it was your mothers assistant, Dot. But Jace Tracked you and killed the demon, before the demon was killed , it scratched your neck, leaving a demon venom mark on you. What will happen next?