Sinister Ascension - Marc Abbott

Bruckner University senior, Carmen Guerra learns from her grandmother that being a medium run in her family. Carmen assumes the ability skipped her as she can't commune with the dead.

But an evil presence rouses her abilities and she goes through a painful awakening that torments her physically, mentally, and emotionally. Todd Anderson, the transfer grad student, is a vampire. He has come to campus in search a host body to possess once he has completed an arcane spell. One that will allow him to ascend into a demon. When he sets his sights on Carmen's roommate as his potential host body, she must quickly learn her abilities and how to control them.

With aide from her long-distance grandmother, a lost spirit and an unexpected ally, Carmen struggles to cope with new abilities while finding her the strength to battle Todd from completing the sinister ascension.