It is a sword from early medieval Europe, mainly popular in England from the 5th to the 11th century. Known for its excellent craftsmanship and combat performance. Usually made of iron or steel, with a slender blade on both sides and a sharp tip, suitable for stabbing and chopping. The hilt of the sword is often exquisitely decorated, reflecting the social hierarchy and status symbols of that time. The production technology is quite advanced, and the sword body has been folded and forged multiple times to enhance its durability and sharpness. Over time, design and manufacturing technologies continue to evolve, but their basic features and functions remain unchanged. It is an important weapon for warriors and an important component of the cultural and social structure at that time