C284 This County Princess Will Personally Test the Weapons

What iron essence!

She flicked her sleeve then returned to her seat. It was nothing more than low-quality steel with low carbon content, but it was indeed harder than iron.

She helplessly sighed. In this sort of era, a weapon that was harder than iron was indeed a key to victory on the battlefield.

At this time, she saw Li Kun take two things from his attendant's hand