Sibling rivalries are pivotal in shaping hero narratives as they introduce fundamental conflicts that drive the plot. These rivalries often represent deeper themes of jealousy, ambition, and the quest for identity. For example, in various myths, brothers or sisters may compete for favor, leading to journeys of self-discovery and growth. The resolution of these conflicts usually brings about a sense of unity or reconciliation, underscoring the importance of familial bonds within the broader context of heroism.