Raven was an angel- was being past tense. She kinda broke one of the most important rules- don't fall in love with a demon. Demon, Satan's son, devil incarnated, same thing and Raven did just that. Now she has to navigate through the human world, thanks to a failed attempt by the Arch to kill her. But she has her mission on Earth; save humans, you know the usual. Maybe even a spark of romance if she'll trust anyone again. All we know is that this "girl with wings" puts the Bad in Bad-ass.