Onyx is a powerful stone of strength, protection, and grounding. It is believed to absorb and transform negative energy, fostering emotional resilience and stability during challenging times. Onyx is often associated with enhancing self-discipline, focus, and decision-making, making it a valuable ally for achieving goals and overcoming fears. Its grounding energy helps anchor the mind and body, promoting a sense of balance and connection to the present moment. In ancient Egypt, it was used to create amulets and carvings, believed to ward off evil spirits and provide protection in the afterlife. Roman soldiers carried onyx talismans engraved with Mars, the god of war, to inspire bravery and resilience in battle. In the Middle Ages, onyx was thought to deflect negativity and shield against psychic attacks, making it a popular stone among healers and spiritual practitioners.