The Hyakki Gokou is a hyper-stylized 3D anime weapon, resembling a traditional Japanese demon mask with exaggerated, angular features and glowing red eyes that emit a faint, eerie light. The mask is crafted from a dark, polished wood with intricate, embossed patterns depicting mythical creatures, and features sharp, metallic accents along its edges that catch the light dramatically. Its surface is slightly weathered, giving it an ancient, battle-worn appearance, while the inside is lined with a smooth, black fabric for comfort.