When Damon and Stefan open the tomb underneath the abandoned church looking for Katherine, they never expected to see their sister, Aurora Salvatore. The brothers, once turned into vampires mourned there dead sister not knowing she was taken in the tomb with the other vampires, but she wasn't a vampire. Emily Bennet, cast a spell onto aurora making her sleep for 145 years in a coffin in the back of the tomb, stopping her blood flow so the other vampires don't get in. When she awakes, she is not accustomed to the new century and the spirits have changed her while in her sleep. They changed her into the most powerful beings in the supernatural world. 'THERE IS A REWRITTEN VERSION OF THIS' called AMARANTHINE