Imagery of light and darkness in mythology symbolizes various themes and dualities, representing hope and despair, knowledge and ignorance. Characters embodying these contrasts, like Prometheus, who brings light (knowledge) to humanity, showcase the constant struggle between enlightenment and ignorance. This dichotomy often reflects the battles faced by heroes in their journeys, underscoring the potential for growth through challenges. Moreover, light typically signifies divine favor, while darkness can represent trials. Such imagery helps to convey the complexities of existence and the duality of human experience.