When it came to advancing steadily and securely, there was absolutely no commander across all of Great Zhou more steady than Shi Lei.
The main army's marching efficiency was not particularly high, but the new district of the Holy Roland Empire was simply too close to Copper Furnace Fortress for that to matter.
Originally, the distance had not been so short. After all, countries generally left buffer zones between their borders; being too close was good for neither side.
There had originally been several countries in that region, and each of them had to leave buffer zones between their borders. As a result, the neutral zone across the entire region had been quite large.
But after the Holy Roland Empire swallowed those lands, the buffer zones ceased to exist. They had even pushed their borders farther outward.
This move had directly brought the new district of the Holy Roland Empire much closer to Copper Furnace Fortress's border.
At present, if troops set out from Copper Furnace Fortress, a normal large army would need only about a week to reach the border of the Holy Roland Empire's new district.
And this time, Great Zhou's forces included a sizable cavalry contingent. With Zhou Xu, a top-tier combatant, among them, they had sent the cavalry ahead, making their advance even more efficient.
Before the garrison on the other side could even react, they had already reached the outside of the frontier fortress at the new district's border.
"Over there! Look over there!!"
That day, a terrified scream rang out from atop the walls of the new district's frontier fortress.
Hearing the shout, the Holy Roland soldiers on watch nearby instinctively looked in that direction.
The moment they did, the soldiers' expressions instantly froze!
In the distant sky, a massive stone was hurtling toward