Taba Feng nodded and looked at Guo Ziyi. He said firmly,"Let's do as you say and try!”
"General Li, if you want to make full use of this Yanzhou stone fat to kill your enemies, you still need to make some tools. I'll draw the designs for you and ask the craftsmen in the city to hurry up and make them overnight!”Guo Ziyi continued.
Taba Feng nodded and brought Guo Ziyi back to his tent.
Guo Ziyi drew several designs on the cowhide and showed them to Taba Feng. These things had strange shapes. It was the first time Taba Feng had seen them.
"What are these things? What are they for?”Taba Feng looked at Guo Ziyi and asked curiously.
"When it's done, I'll demonstrate it to General Li! To make these things, iron nails, wood, bamboo, ropes, and cowhide were needed. The city didn't lack them, right?”Guo Ziyi asked.
"There are some of these things in the city's military warehouse. There are also some in the warehouses in the city.”Taba Feng replied readily. Although Yanzhou was a border town, it was also an important trading hub for the Great Tang's Western Regions. There were many merchants coming and going, and the city had a lot of resources. This was also the reason why Shuoye Khagan had first sent his troops to attack this place. The Turks were in dire need of resources, so he had come to plunder.
The craftsmen in the city and the army were all gathered together. After receiving Guo Ziyi's blueprints, they immediately began to work overnight. Fortunately, these things were not complicated to make. With the enemy in front of them, everyone was doing their best.
After making a batch of items, Guo Ziyi took one of each and showed everyone how to use it.
After reading it, everyone, including Taba Feng, was dumbfounded.
"Did you come up with all these things?”Taba Feng asked.
Guo Ziyi smiled,"I learned some of them from foreign countries."”
Taba Feng was amazed and admired Guo Ziyi.
"General Li, please give the order to transport all the rock fat in the city here!”
Taba Feng immediately gave the order, and the soldiers and craftsmen in the city began to get busy. Barrels of Yanzhou's rock fat were transported from all over the city.
At dawn the next day, Shuoye Khagan personally led the fifty thousand Turkic soldiers toward Yanzhou.
In addition to the cavalry, the Turks had also brought many siege ladders and heavy siege weapons, as well as heavy infantry.
This time, they were determined to capture Yanzhou!
General Shuoye Khagan's tent was set up on a mound not far from Yanzhou City. He looked down from above and watched the mighty army march toward Yanzhou.
Guo Ziyi and Taba Feng stood on the city walls, watching the Turkic army approach Yanzhou with heavy siege weapons. Their expressions were grave.
When the Turkic vanguard could see the gates of Yanzhou, they suddenly discovered many piles of rocks in the open space outside the city.
These stone mounds were piled up from some small gravel. They were about half the height of a person and looked like graves. Strangely, there was a trench dug behind each pile of stones, filled with a dark brown liquid.
This time, the vanguard of the Turks was made up of heavy infantry and heavy cavalry. They had to first open up a path to the walls of Yanzhou for the attacking forces behind them and also provide cover.
The infantrymen and cavalrymen moved slowly and did not pay much attention to these stone piles. They thought that they were used by the Tang army to pay homage to the fallen soldiers.
As the Turkic vanguard drew closer, the stone piles were all in the middle of the Turkic formation.
Guo Ziyi smiled coldly, turned to look at Taba Feng, and nodded.
"Release the arrows!" Taba Feng waved the flag in his hand.
On the walls of Yanzhou, hundreds of archers picked up their bows and arrows. The arrowheads were all wrapped in sackcloth that was covered in grease. They roasted the arrowheads on the torches beside them, and the linen cloth stained with stone fat began to burn.
The archer drew his bow and released the arrow.
Countless fire arrows shot up from the walls, shooting toward the Turkic vanguard like meteors.
However, the range of these rockets was extremely limited, and by the time they reached the vanguard, they were already spent. The infantry and cavalry of the vanguard were all heavily armored, and the arrows were like pebbles striking their bodies. Many of the rockets were stuck in the ground, but the arrowheads were still burning.
The Turkic soldiers laughed in their hearts,'The Tang army is wasting arrows!
Guo Ziyi smiled as he watched the fire arrows land on the Turkic formation. These arrows weren't meant to shoot people.
Other than being stuck on the ground, there were also rockets that landed in the trenches beside the pile of rocks. The dark brown liquid in the groove was Yanzhou's rock fat. It immediately ignited when it came into contact with the flames on the arrowhead. Streaks of fire shot into the pile of rocks along the groove.
With a few loud booms, several piles of rocks exploded!
Explosions rang out as countless rocks flew in all directions, blasting away a large number of Turkic heavy infantry and cavalry!
More stones began to explode, sending countless shards of rubble flying through the ranks with astonishing speed and power. Although the Turkic infantry and cavalry were all heavily armored, they were unable to withstand the force of the explosion, sending them flying and crashing to the ground.
After the explosion, apart from the flying debris, there was also a lot of dark brown liquid splattering out. It ignited when it came into contact with the fire, forming sparks in the army formation. Many of the Turkic soldiers were stained with this liquid and immediately began to burn. They couldn't put it out even if they wanted to, so they could only be burned alive.
It turned out that each pile of stones had a barrel of Yanzhou's rock fat hidden within it. The groove filled with rock fat was used to ignite the fire. Once the rock fat in the barrel was ignited, the sealed space would explode, and the surrounding gravel would form shrapnel that would fly out to kill the Turkic horses.
In addition, it was a flower blooming in the formation, so its lethality was even more shocking.
After this explosion, more than half of the Turkic vanguard had been killed or injured, and the ground was covered with the corpses of Turkic soldiers and horses, many of them still burning. The air was filled with a pungent burning smell, and countless fire spots were scattered on the ground.
The Turkic soldiers were all stunned. They had never seen such a defensive method before, and there was no way to dodge. The people behind them hesitated.
Behind the Turkic formation, a long horn sounded.
Seeing that the pile of rocks had been blown up and that the bugle horn had sounded, the Turkic heavy cavalry and infantry began to charge forward.
On the city wall, Guo Ziyi and Taba Feng looked very excited. Not a single soldier had been injured, and just the several dozen stone pebbles outside the city had already killed a large number of Turkic soldiers.
"Is this the massacring of Turkic horses you spoke of? Face damage…very good!" Taba Feng looked at Guo Ziyi and praised sincerely.
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