"Tell me about your method of fusing two metals first," Xuan Ziwen said, unable to contain his impatience. "What exactly is the principle behind it? I could tell you seemed to be tempering the sunken silver and heavenly star iron, but I don't understand why those unusual phenomena appeared."
Huo Yuhao chuckled. "I've already discussed this issue with Hall Master Hongchen. The Sun Moon Empire's soul guidance technology has reached a bottleneck, and it has a fatal weakness."
Xuan Ziwen's pupils contracted at his words. "That can't be right," he said incredulously. "You've only just arrived from the original Douluo Continent. You have no idea what level our soul tool research has reached. Let me put it this way: even a Limit Douluo might not be able to stand against a complete soul engineer corps. This is an epoch-making revolution!"
"I understand. The order in which a soul master's individual strength reigns supreme has been shaken a little. But, senior brother, you can't deny that the Sun Moon Empire's soul tool technology relies on rare metals, both now and even in the future. You could say that all the Sun Moon Empire's soul tools operate through the special properties of the rare metals themselves. Without that wide variety of rare metals, the Sun Moon Empire's soul guidance technology, along with the entire social system built around it, would collapse immediately."
"And although the Sun Moon Continent is rich in resources, how many more years can we keep mining its rare metals? A thousand? Ten thousand?!"
"Once all the rare metals have been exhausted, will the profession of soul engineer even exist anymore? By then, soul engineers will have lost their soul tools, but they won't retain the powerful individual combat abilities they originally possessed as soul masters, either. Where will