He introduced his fire striker to everyone.
By using charcoal to heat stones, you may obtain metal liquid, which then solidifies into metal.
They have a luster.
They have great malleability, and after being heated red-hot, they can be hammered and reshaped, while ordinary stones shatter upon hammering.
They can be sharpened on a grindstone to be very sharp, and at the same time, they are very hard, many times sharper and stronger than stones, making them the ideal material for making weapons.
Metal blocks are easier to grind into weapons than ordinary stone blocks, and those who often craft stone tools for the tribe are likely to encounter this.
Ma Lin places the highest value on various stones when trading with other tribes, often emphasizing his willingness to spend a great deal to obtain stones that meet his desires.
He especially asks if the other party has weapons that are extremely sharp and sturdy, the kind that deforms when struck but doesn't shatter.
