The Hyakki Gokai is a hyper-stylized 3D anime weapon featuring a sleek, curved blade with intricate engravings depicting mythical creatures and flames. The blade has a polished metallic finish with a vibrant, glowing edge that pulses with energy, suggesting its supernatural origin. The hilt is wrapped in dark leather with golden accents, and the guard is designed with asymmetrical, organic shapes resembling demonic faces.