Themes of loyalty and betrayal frequently emerge in stories such as those of Achilles and Hector or the biblical tale of Judas. These narratives often illustrate the tension between personal relationships and societal expectations, showcasing characters' struggles with loyalty to family, comrades, or ideals. Betrayal typically unveils deeper moral dilemmas, prompting audiences to reflect on trust and the consequences of deceit. The emotional gravitas of such themes allows myths to resonate across time, reminding us of the complexities inherent in human relationships and the challenging choices individuals face.