The unicorn, in medieval folklore, symbolizes purity and grace, often depicted as a gentle and elusive creature. It represents an idealized form of innocence, often associated with the Virgin Mary and spiritual enlightenment. This mythical beast is believed to possess healing powers, further enhancing its association with goodness and virtue. The unicorn's rarity in folklore underscores the value placed on purity of heart, making it a powerful emblem in a world often marked by corruption and sin.