The bramble vine was not so smart, but the Wumu tribesmen are really good at raising plants. I don't know how they made it. In a short time, the thorn vine can perform some simple actions according to the instructions, such as throwing the corpses of fierce animals into the city.

These brute corpses are of great use.

Their teeth and bones can be used not only to make arrows, but also to drink water and food.

War consumes a lot of physical strength. Ordinary water is not enough to maintain physical consumption. Different springs are limited. Although fierce animal blood tastes bad, it can replenish water and maintain physical strength. It can be said that it is the best choice.

"Stab, stab!"

"Stab!"

Many high-level soldiers squat on the ground, their arms are red, and they grasp the teeth of animals and rub on the grindstone crazily. Once in a while, a large amount of steam will come out.

After polishing, the arrow will be thrown aside, and low-level soldiers will pick it up.

Yang Fu, the skilled winemaker, is also bending down to pick up arrows.

Because of the different materials, the length and thickness of the arrows are not the same. In addition to collecting the polished arrows, Yangfu classified them according to their length and thickness, and then tied them into large bundles with vines.

"Any arrows? I've run out of arrows! "

"I've run out of them. I'll give them to me first."

A small group of air troops in urgent need returned to Xicheng.

A head of Li Yang birds squatting on the wall, long-term flight from the ground to make their body hot, the medical witches on the wall of the emergency for them to cool treatment, and then give them water and food.

"I don't have to eat. I want an arrow!" A Liyang soldier refused to deliver the food, anxiously loud voice, face look very anxious.

Yangfu under the city wall yelled at them: "yes, there are, here are just polished arrows!"

Li Yang soldiers' eyes brightened.

One by one, they returned to the back of the bird.

The huge birds swooped down.

"Throw it to us --!"

Yang Fu threw a bunch of arrows to them.

All the arrows are just polished and hot, and some are even hot.

"You take it up!"

Yang Fu threw it up hard.

A head of Li Yang bird did not land, low brush the ground, sitting on the top of the soldier a lean to take the arrow, Li Yang bird Shua in the air draw a perfect parabola, and then fly high out of the defense shield, fly out of the sky.

Soon, a Cang's air team also returned to Xicheng to get arrows.

Another group of Hong's pterosaurs returned.

Then the bramble sparrow army in Xicheng had no arrow to support

Yang Fu watched the arrows around him decrease in bundles until they disappeared. He was sweating big and big on his forehead. He ran anxiously around the city and picked up the scattered arrows that had been polished.

However, the whole Xicheng city only picked up a dozen bundles of arrows.

Look at the other people who pick up the arrows. Well, they collect less.

"What to do Not enough, not enough! "

Yang Fu clapped himself on the thigh.

"The arrow branch is made of the hardest animal teeth and bones. Usually, one arrow branch needs to be polished for several days. Now it depends on so many soldiers of level 6 or above to polish it so hard, so many arrows can be made in such a short time."

"What's more, the number of grindstones is there, not much more..."

Now there are several soldiers around a grindstone. When one is tired and his hand slows down, he will immediately change to another one.

The grindstones are all rubbed out sparks by this grinding method, and they are about to catch fire. It can only be maintained by the people beside them who keep pouring water on the fire.

Ye Xi also found that the speed of the arrow could not keep up with this problem.

He immediately called in chief Tao and told him, "the arrow will continue to use animal teeth and bones, and the arrow body will be made of wood."

Gong Tao chief listened to some embarrassment: "but, where should I go to find wood?"

In addition to the defensive shelter, the trees inside were still intact, and all the trees outside were trampled into powder by the fierce beast tide, while the trees in Xi City, such as chiwu tree, Luan tree and ancient mulberry tree, were either useful.

Ye Xi was silent for a moment: "there are still some wood in the city library, and there are also some in my private library. Then collect the wooden tables and chairs of each family and use all that can be used."

Chief Gongtao immediately accepted the order: "yes!"

The whole city of Xi was in full swing to supply arrows.

But Rao is such, the arrow branch of Air Corps is still insufficient.

Fierce birds pterosaurs hovered in the sky, and the soldiers arched their bows, pulled the bowstring full of arrows and aimed them at the bottom, but they did not release their arrows.

The leading animals are very cunning. After finding out the unfavorable situation, they all drive the giant animals to cover them, especially those tortoises or those with thick crustaceans, one by one, and build huge mountains on them to cover themselves tightly.In this case, it is impossible for a marksman to kill the leader with only one arrow.

The pterosaurs continued to spit hot steam downward.

However, their strength is still a little poor. They can't kill the leading animals hiding in the deepest place. On the contrary, some pterosaurs were dragged down by the fierce beast tide to kill and swallow up when they were diving.

"唳唳唳唳唳唳唳唳唳唳唳唳唳唳唳唳.

After finding Zhuo came over, the head beast was scared to death, shrunk deeper, and called for more fierce beasts to cover it.

Zhuo flies to the eyes.

Zhuo opened his beak toward the bottom.

And then it shoots out at the top giant tortoise A white flame with heat?

This wisp of white flame is pitifully like a candle in the wind, and it was blown out by the wind just after it appeared. Hissing, Zhuo can't believe and anger from the nasal cavity in two hot gas.

Cangxin advised it: "you go back to rest, your flame is not endless, it needs to be restored."

Zhuo took a look at Cang Xin, but he didn't try to be brave. He flew the giant tortoise with his wings in anger, and then turned back to Xicheng.

Cang Xin orders everyone.

"Fly high again!"

The fierce beast tide on the ground is not totally helpless to the birds in the air. There are fierce beasts with strong jumping ability, some fierce beasts can spray poison into the sky, and some fierce beasts can fly sharp thorns. If you are not careful, you will be attacked.

Now they can only kill the giant animals that are covered by the outside as quickly as possible, and then kill the exposed leading beast immediately before the other fierce beasts are covered.

Ten miles away from cangxin team.

Dayan's team also encountered a lack of arrow support crisis.

After returning to Xicheng just now, each soldier only got two arrows. Now even if he returns to Xicheng, he can't get any more arrows.

Dayan looks at the two precious arrows in the arrow pot and bites his teeth. He is determined to fly down a little and look for the next gap to see if he can kill the head beast in the most economical way.

"Let's go down!"

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