The indestructible material was made from wootz, which is a combination of iron and steel that would have been imported from Asia and then melted with a mix of raw plant matter to make a crucible steel.

这种坚不可摧的材料是由乌兹制成的，乌兹是从亚洲进口的钢铁的组合，然后与原始植物物质的混合物熔化以制成坩埚钢。