The Transfer

You weren't born in this life. You became a hunter, and a powerful Witch of Light after the death of your boyfriend Matthew. You stumbled upon the Winchester brother's while you were seeking your revenge against the witch who killed your boyfriend. They eventually asked you to move in with them and you did. Things escalated while you were with the boys, Dean took on the Mark of Cain and it turned him into someone no one knew. Sam vowed to remove the Mark from his brother and cure him, while you had other ideas to rid Dean of the Mark.