To dream of an imp represents a negative or mischievous aspect of your personality that is helpful. Chaos or disorder that brings insight or solves a problem. Difficulties that draw you towards answers.
Example: A man dreamed of asking an imp to heal his back. In real life he hurt his back and used the opportunity to get closer to his wife with whom he was having intimacy problems. The imp reflected his back injury being a negative situation that give him a solution to the lack of intimacy in his marriage.