The Hyakki Gokusho is a hyper-stylized, ornate set of armor with a dark, mystical aesthetic, featuring intricate engravings of demonic faces and mythical creatures. The armor is predominantly black with glowing crimson accents that pulse with energy, suggesting a supernatural power source. Its design combines angular, asymmetrical plates with flowing, organic elements, creating a fearsome yet elegant silhouette that enhances the wearer's intimidating presence.