I d-d-don’t know. By trying to f-fight back at one. I th-thought that’s what sh-shadowhunters are sup-supposed to do. She said, wincing as she caught the towels, though she began to clean herself up.
Yes it is but you didn’t just get a backslash from stabbing a demon, you are literally covered in blood. Are you sure it was just one demon? Noticing her wince as she got the towels, he picked up another and helped her wiped the blood off.