Duality is crucial in shaping a hero's perspective, illustrating the conflicts between opposing traits such as strength and vulnerability. It allows heroes to grapple with their inner struggles, leading to greater self-awareness. This tension often manifests in the hero's relationships, forcing them to confront their fears and desires. Additionally, duality emphasizes the importance of balance, as heroes learn to navigate challenges, embodying both light and darkness. This complexity ultimately enriches their character, paving the way for growth and transformation.