Then, a wistful expression appeared on Mi Li’s face. She began, “If I remember correctly, in terms of weapon-forging methods, none surpassed the Xia dynasty.”

“The one with the great flood?” Zu An asked.

“Indeed.” Mi Li nodded. “In the past, the Xia Emperor Yu the Great decided to cast nine cauldrons. Five would be made through yang principles, while four would be made through yin. Soft gold was used for the yin cauldrons, while strong gold was used for the yang cauldrons. All that resulted in an extraordinary divine weapon. All that was because he cultivated the Godrune Forging Diagram.

“It was said that Yu the Great was proficient with all weapons. In order to do so, he had to first familiarize himself with the characteristics of those weapons. If he wanted to do that, nothing would be better than personally refining them. The Godrune Forging Diagram was precisely one such method to do so. Through forging so many different weapons, in the end, he became able to use any weapon....