C209

Some of the stronger refiner,

to be able to add a few rare elements to a weapon or accessory,

Alter some of the performance of the weapon.

To put it bluntly, it was similar to modern alloy technology.

but not exactly the same;

This was because this type of addition and forging was very particular.

Oh, oh, oh, she doesn't know anything.

Following closely behind Zhen Mingshi