Being stoic, silent and mysterious cat represented the guardian of the Underworld (Otherworld) keeping their secrets to themselves. They were considered the guardian of souls, their eyes the windows to the other world. The cat teaches us that the physical and spiritual worlds are not separate, but one.The Ancient Celts believed that the cat will brings us to wholeness and acts as a spiritual link between humans and the universe. In the Celtic world black cats were considered evil, and were sacrificed. However, the Celtic cat received much respect. Other mythic reference to cats is, that they are able to shapeshift into a ball of fire. Cats have been linked with mystery, spirituality and seduction since the days of the ancient Egypt.