The Ragnarok Zeta is a legendary greatsword with a high-fantasy anime-inspired design, featuring a massive, double-edged blade with intricate glowing blue runes etched along its length. The hilt is wrapped in dark leather, adorned with silver metal accents and a large, circular pommel that emits a faint blue aura. The blade itself is broad and slightly curved, with a sharp, angular tip, and the entire weapon has a polished metallic finish with a slight luminescence, suggesting its powerful magical properties.