cristal hernandez 24 year old former child prodigy , graduated from global nation university with harry doubt at 19 years with a phd in computer science , not religious but had a catholic upbringing ; book smart but doubts herself ; just realized she has special powers and is learning to control them ; fell in love with kerim before finding out he was an angel ; learned that god had sent archangel rafael to destroy her because her powers could open the portals to the spiritual worlds , limbo , purgatory , heaven and hell .