Mythical tales teach us about the hero's vulnerability by depicting moments of weakness, doubt, or failure. These narratives highlight that even the strongest characters face trials that challenge their resolve and self-identity. Such vulnerabilities make heroes relatable, showing that they must confront their fears and flaws to grow and succeed. By illustrating these struggles, myths encourage audiences to embrace their imperfections, instilling the understanding that true strength often arises from overcoming adversity and self-discovery.