Everyone is a moon and has a dark side which he never shows to anyone." Let us take a look at the dark, morbid traits that each zodiac sign embodies. We all live in a world that is quite dualistic. There is light and dark, good and evil, and true and false. Under the same principle, each zodiac sign has a shadow and light aspect. These shadow counterparts of each zodiac are called black zodiac signs. While they may seem like the evil sides, these qualities are actually our ego’s way of protecting us from physical and emotional harm. If understood correctly, these traits can be used to push us forward instead of holding us back.