Please update salvatore sister, maybe she can do a spell so she won't age and be like a vampire other than the blood, and she finds her brothers in mystic falls for revenge.
I would love for you to update the Salvatore sister. Like she comes for revenge on her brothers for abandoning her. She could still be a small girl or grown up so they wouldn't recognize her. I hope you don't get offended. i'm just trying to give you ideas and read to rest of your story.