The Hyakki Gokai is a hyper-stylized 3D anime weapon featuring a sleek, curved blade with intricate engravings depicting mythical creatures and symbols. 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 ornate, resembling a demonic face with glowing red eyes.