Tens of times?
That's way too exaggerated!
"Star metal possesses extreme toughness and hardness. It's an excellent material for sharp weapons such as daggers, knight's longswords, bastard swords, or dual-handed greatswords."
"Of course, weapons made purely of star metal are prohibitively expensive, even nobles are reluctant to waste so much."
"A more common practice is to mix it with other materials, which can enhance weapon performance while reducing costs."
"To identify star metal, first consider the weight: star metal is about twice as heavy as other iron ores of the same size. Second, look at the fracture surface, where tiny metallic grains sparkle under the light, just like stars in the sky."
"This is also the origin of the name 'star metal'."
"....."
Well, although Boris was only a small-town blacksmith, he was quite proficient in some aspects of forging, at least in terms of identifying and working with star metal, Rein thought Boris's research was quite thorough.
