Mythological tales that emphasize the impact of betrayal and loyalty within relationships include stories like that of Judas in Christian traditions or the betrayal of Turnus in Virgil’s Aeneid. These tales delve into the complexities of human emotions, often revealing how betrayal can lead to catastrophic consequences or personal growth. Loyalty is frequently celebrated, highlighting the importance of trust in relationships and how such bonds are tested through adversity, thus reflecting deeper truths about human connections.