Nemesis

Nemesis is a character who attempts to hunt and eliminate you. Depending on what difficulty you have chosen, Nemesis might be invincible, and might also be disguised as one of the female students. She another assassin who wants to remove her competition? Or, true to her namesake - the Greek goddess of retribution - is she here to take revenge on you for the sins of her past? She is much more dangerous when she sees you.