As a subgenre, it's hard to love 'trauma horror' -- with emotionally damaged characters trying to literally defeat their own demons. It's an understandable sandbox for writers and actors to play in -- as emotions ride high and audiences can connect to characters in extremis. Susceptibility to dark forces, specters from the unseen underworld who prey on the emotionally weakened individuals are as old as time. Even Shakespeare's Hamlet hatched the entire play-within-a-play to determine if his father's Ghost was telling him the truth about his murder after his own suspicions about being…