"Create a 3D legendary sword for Minecraft. The blade should glow with icy blue runes, exuding a mystical aura. The hilt, made of dark metal with golden accents, features a dragon-wing-shaped guard and a pommel resembling a dragon's head. The handle is wrapped in weathered leather. The sword should appear ancient, powerful, and magical, with a color scheme of dark steel, glowing blue, and gold. The blade radiates light, symbolizing its immense magical energy