Demons 
To dream about demons indicates opposition, incomprehension, and anguish regarding your 'shadow' self. You should be aware of any gratification or sexual desires that could be against common sense. Due to this, your health could be in jeopardy.
To dream about being possessed by demons suggest a sense of being out of control.
Demonstration
To dream of a major demonstration involving placards and police is your unconscious making it very clear that you may be involved in a situation that will not serve your highest good.
To dream of a small demonstration of a kitchen implement or sporting skill indicates that you will find yourself becoming interested in an unusual hobby that could give you hours of joy.
Hell
Many people are brought up to believe that hell is the ultimate punishment and a certain end for 'bad people.'
To dream of hell is usually accompanied by magnified feelings of fear and uneasiness. One interpretation of such a dream is that you're having endless problems
Another is that you no longer have control over your life. A burning hell can signify the inescapable old feelings of guilt and shame, as if you're punishing yourself. You need to get over these emotions and find ways to solve your issues.
Devil
To dream about the devil suggests poor aspects of yourself. It could also represent a guilty conscience that you have been carrying around with you. You should release these emotions. Also, the devil can symbolize mental acuity, deceit, and astuteness.
To dream that you have defeated the devil indicates that you will overcome your adversaries.
To dream that you talk to the devil suggests that you will endure urges that are difficult to overcome.
To dream that you are friendly with the devil indicates that you could be enticed to perform an act or something that you would rather not do. You could be working through moral troubles.
Python
To dream of a python should be treated as a warning for imminent danger, wrongdoing, and overt sexuality. Then again, it may also symbolize your willpower.
To see a python suffocate and kill its prey is a metaphor for feeling emotionally choked over stressful situations and worries in your waking life.
Undead
To dream of the undead or zombies implies that you may be being plagued with old sabotaging thoughts. Note the atmosphere of the dream - is it scary or calm? What is the environment? Habits or memories that hurt you may be coming up more often and you could be feeling overwhelmed. This is simply a sign that you are ready to release yourself from these old and nagging thought systems. Seek some help in clearing old patterns.
Goblin
A goblin in your dream represents extreme pressures and an abnormal amount of instances where things are going 'wrong'.
They can also be indicative of people in your life who are too hard on you or a part of yourself that is unnecessarily unkind. They are symbol tricksters and trouble makers, sources of fear and suffering.
Incubus
The incubus in a dream represents a nefarious drain of emotional resources. To be the incubus in a dream is to take strength from others through an immoral act. You may feel that you are stealing someone's success at the office by taking too much credit on a group project, but this act is improving your ego and reputation. To be seduced by an incubus in a dream is to be drained of inner strength.
Marching
To dream that you are marching to the beat of music suggests that you work well with others to accomplish goals. It also indicates that you may want to serve your country and display your patriotism. Perhaps you prefer to work for your city or municipal region.
To see people marching in your dream also implies that you are looking to become partners or colleagues with city or municipal officials.
Exorcism
To dream that you or others are being exorcised indicates your attempts to take back power within your life. Also, you may need to accept responsibility for the things you have done rather than seeking to assign blame.
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