C175 Soul of the Rock Devil

Yi Ming frowned as he glanced at the broken pieces of wood, then he remembered the first time Gui Gu Zi walked into Kun Du. He quickly explained, "General Qian, don't be so preoccupied with forging swords, since you said there are a lot of Piercing Heart Iron, just switch your soldiers' armor, shields, and the roofs of the villagers with iron. Just in case, remember, it's still hard and light