Blessed with Suck : In order to survive, her parents sacrificed twelve children and teenagers to save her. She inherited all their psychic ability, too - now the souls of those twelve forever haunt her and are trying to kill her.
Bookworm : All the books in the office aren't for show.
Clock King - One of the rare ones that is not a villain.
Fainting Seer - Whenever whatever is approaching is REALLY bad.
Good Is Not Nice - Known to mooch, abuse her protogé, and get laughs out of pulling mean-spirited pranks and jokes at the expense of others. But if she gets a vision of a crime you're about to commit, expect the cops to be there waiting for you.
Screw The Rules I Have Super Natural Powers - Having been a powerful clairvoyant since youth, Heather's whole life has been this trope. She's used her visions of the past and future to cheat her way through high school, college, and now graduate school. Ask her how many times she's won the lottery. ASK.
Self-Fulfilling Prophecy - Has happened to her on numerous occasions. One of the reasons she can't maintain a romantic relationship.
Master-Apprentice Chain : Trained by her mother, who was trained by her aunt, etc - it's kept in the family. Also sought out Salem (who was also trained by her mother) for more training.