To see a pentagram in your dream represents the connection of your spirit to the earth, air, fire, and water. These elements contribute to various aspect of your well-being.
For this reason, your dream may signify protection. However, if you dreamed of an upside-down pentagram, this is idenitied with evil. This dream signifies conflict, negativity, materialism and aggression.... My Dream Interpretation
The pentagram is a widely misunderstood symbol; it has its roots in Christianity but is often used in the media in an inverted shape to refer to elements of the evil side of the occult. Its pure meaning connects to the five senses and the experience of the human body. In early Christianity it connects to the five wounds suffered by Christ. In the Tarot, the pentagram connects with money and prosperity. Any of these meanings might be expressed by a dream that features this geometrical image.... Complete Dictionary of Dreams
This pictograph was used widely in the ancient world as a protective amulet, specifically to ward off the evil eye and malicious magic. On the dream plane, this may indicate that you sense some type of psychic or mundane threat to your well-being for which you should take proper precautions.
An emblem of the esoteric mysteries, and possibly the development of specific occult or magical abilities within. Note that the pentacle was often also called a wizard’s star or witch’s cross in the Middle Ages.
Among Gypsies and some earth-centered religions, the pentacle was an emblem of health and long life. This probably developed due to the natural pentacle formed by seeds when an apple is sliced in half.... The Language of Dreams