You were being chased by a monster inside a nightmare until you realized that you were aware that you were dreaming. Now after understanding that you have more or less omnipotence in this dreamworld, the monster still rushing towards you doesn't seem...
Several new images! Tulpa? Succubus? Spiritual Possession? Whatever she is, you're stuck with her, and she loves you. A figment of your imagination only you can physically feel. Also a bit of a sexual hellion.