Nightmare that I can't interpret. Can anyone help me figure out what it means?

This may be somewhat vague but it seems to me like your subconscious is trying to make you aware of your faith. All of these scary, dark things seem to be leading you down a bad path in your dream. It seems like you are facing some kind of social pressure or influence. I don't know if you are religious at all but personally I would take it as a sign to perhaps reevaluate your relationships with those around you and with your faith.