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.
Hellhound
To dream of a hellhound indicates that danger is ahead. If the hellhound is guarding something, stay away from whatever it is guarding or you will be trapped by the circumstances. If someone you know is standing near the hellhound then that person had bad intentions so you should stay away.
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.
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.
Heaven
Happiness is a common dream for most people. To dream about heaven reflects a persistent desire to find that happiness. Your dream is a manifestation for the restoration of hope, faith, love, and optimism.
Torture
To dream that you are being tortured denotes that you feel helpless in certain aspects of your waking life. Alternatively, it is probable that you are showing signs of sadomasochistic tendencies.
To dream that you are torturing others or see others being tortured suggests that you are castigating yourself for your own failures and wrongdoings. You are mirroring the person or animal being tortured.
Alternatively, the dream may indicate bottled-up emotions of vengeance.
Darkness
To dream that darkness comes upon you indicates defeat in a project that you might try. Darkness is symbolic of incomprehension, the unconscious, malice, death, and concerns about the unknown. If the sun pierces the darkness, you will be able to defeat the obstacles in your way. If you feel confident in the darkness, then you don't need to understand everything about things around you. The phrase 'ignorance is bliss' fits here.
To dream that you can't find someone in the dark suggests that your anger needs to be reined in and controlled. You allow your feelings to get the best of you.
To dream that you are lost in the darkness indicates a sense of despair, sadness, or uncertainty.
To dream that you are groping in the darkness signifies that you do not have enough knowledge about a particular topic to form a valid decision. Dig into the topic and don't make snap decisions.
Bottomless Pit
If you dream of a bottomless pit, you are feeling hopelessness and despair in your waking life. The bottomless pit may be indirectly referring to your conclusion and acceptance that an issue has overcome you and is never-ending.
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