The price of a Class 9 decomposition cannon was exorbitant. Even they were not equipped with these cannons.

On top of that, this enemy they were facing could not be detected by any of the surveillance soul tools they had brought with them.

When the Class 9 decomposition cannon was fired, the two Class 9 soul engineers had immediately activated the strongest surveillance abilities they possessed. After all, a Class 9 decomposition cannon could only be fired within three thousand meters. However, they were still unable to pinpoint where that person was. This meant that they could only react passively to that person’s attacks. How were they supposed to not develop a fear of Huo Yuhao?

Xu Tianyuan started to become panicky. He knew it would take them close to eight hours before they reached the territory of the Sun Moon Empire—which was also the former land of the Heavenly Soul Empire. At the same time, they had to do their best to avoid any encounters with troops from the Dou Ling Empire.

If this unknown enemy were to follow them throughout the entire eight hours, it would be a massive disaster for both soul engineer legions. In fact, the current situation of the two soul engineer legions simply would not allow them to maintain...