Just then! A joyful shout came from the farthest part of the tunnel!
"Vice Commander! This side is big enough for me!"
This loud shout was like a floodgate being opened, and dozens of teams of people in the horizontal tunnel shouted back and forth.
"The size is perfect!"
"Vice Commander! I've succeeded on my end too!"
As Xu Hui brought down the final hammer!
He finally managed to create a gap in the city wall of Xuan'an City that was as thick as a water bucket.
"Time waits for no one!" Xu Hui shouted immediately.
"Shove them all in! As many as you can!"
As soon as he finished speaking, someone handed Xu Hui a cloth bag that was tied neatly to the side.
The cloth bag contained gunpowder that had been carefully selected and processed by Jia Xu.
The gunpowder produced this time was more refined than that made in Fuling City, and its power was naturally greater.
As packets of gunpowder were stuffed in, the gaps that had been painstakingly carved out were immediately filled.
At Xu Hui's command, everyone immediately retreated along the tunnel.
The shield bearers immediately jumped into the tunnel to cover Xu Hui and the others as they retreated.
Tap! Tap! Tap!
Arrows rained down from the sky, but the group ran incredibly fast through the tunnel, leaving the Xiongnu people on the city wall utterly stunned.
"Are these Han Chinese counting mice? How come they run so fast!"
After Xu Hui retreated to a safe distance of thirty to fifty meters from Xuan'an City, the lead wires that stretched through the tunnels were clearly visible.
In less than a quarter of an hour, Xu Hui had stuffed nearly two thousand kilograms of explosives into the city wall of Xuan'an.
As Xu Hui blew the tinderbox to light, a cruel smile appeared on his face.
"You damned Huns! I'll wipe you all out today!"
"Fly!"
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