Survival: Starting with a Tiny Treehouse

Chapter 421: Dozens of times more powerful!

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The heavy crossbow failed against the giant beast!

The penetrating power is extremely strong. If it can pierce the body of a giant beast, the arrow head of the crossbow will explode directly and cause direct damage to the body of the giant beast!

This thing is simply a low-level armor-piercing bullet!

"This blue-grade delayed-explosion heavy crossbow requires expensive materials. Each one requires a blue-grade iron block and a blue-grade saltpeter." Ma Hongwei introduced, "I asked Li Wenxi for the materials."

Blue Grade Iron and Blue Grade Saltpeter…

Speaking of blue-grade saltpeter, Xu Xin remembered that he still had a piece in his hand.

At first, he used blue saltpeter as an air conditioner.

I don’t know how much blue-grade saltpeter Li Wenxi has in his hands now.

"Can we only make blue-grade?" Xu Xin thought for a moment, "Can't we make green-grade?"

Green level may be mass-produced.

"Green-level ones can also be made, but the crossbow's own penetration and explosion are too weak, and it should not cause any substantial damage to the behemoth." Ma Hongwei explained.

"But if we attack ordinary mutant creatures, it would be too wasteful. These heavy crossbows are consumables and cannot be recovered after the explosion. It is better to use explosive crossbows or ordinary heavy crossbows. Ordinary heavy crossbows can be recycled."

Xu Xin nodded.

He hadn't really thought about this.

"So, this blue-level delayed-explosion heavy crossbow is also a consumable item?"

"That's right." Ma Hongwei nodded, "Every time you fire a round, it will consume a piece of blue-grade iron and a piece of blue-grade saltpeter."

Consumables

If it weren't for Li Wenxi, such a thing would be unthinkable.

After all, the resources in other areas are still at a level that even blue-level armor can show off.

Consuming one blue-grade iron block per shot was too much for them.

But for District 188, these resources are not a difficult task.

After all, there was a wealthy young woman who could prospect for minerals, and she brought a whole mining team with her.

Although mass production is unlikely, it is not a problem to make a dozen rounds as a weapon inventory.

With this kind of weapon, when they face giant beasts like the giant anaconda in the future, at least they don't have to surrender, but will have some means of fighting back.

"This heavy crossbow is broken. It can't be fired with an ordinary tree house heavy crossbow, right?" Xu Xin asked.

Compared with the heavy crossbow he had made before, this heavy crossbow was much longer and a whole circle thicker, and it was simply impossible to load it into an ordinary heavy crossbow.

"Yes. It can only be loaded into a blue-grade metal super heavy crossbow. Green-grade or wooden super heavy crossbows will not work because the weight of the crossbow is very large. The heavy crossbow that fires it needs to have a strong firing force. It must be a blue-grade metal super heavy crossbow." Ma Hongwei said, bringing Xu Xin to the window.

Xu Xin looked outside and saw an extra-heavy crossbow placed on the outer wall of the tree house.

The tree house super heavy crossbow was a heavy crossbow developed by Ma Hongwei before. Because only wooden heavy crossbows could be made at that time, even Xu Xin’s tree house has not been equipped with this heavy crossbow until now.

With a "click", Ma Hongwei loaded this unique heavy crossbow into the super heavy crossbow.

Each super heavy crossbow can only be loaded with one heavy crossbow bullet at a time.

"Brother Xin, I haven't tried the power of the blue-level heavy crossbow yet. Why don't you try it out?" Ma Hongwei patted the control panel beside him.

Each shot contains a piece of blue-grade iron and a portion of blue-grade saltpeter.

This experiment is not cheap.

However, the power of the weapon must be understood.

"Okay." Xu Xin walked to the control panel.

Ma Hongwei’s tree house is equipped with nearly thirty heavy crossbows, which is really exaggerated.

There were so many spots of light on the tree house that he didn't even know which super heavy crossbow he had just lost when loading it.

It was Ma Hongwei who chose it for him.

Xu Xin looked around.

There was nothing else around except bare trees.

So he just clicked on the ground not far away.

"Card!"

In an instant, a mechanical sound was heard outside the wall of the tree house, and then a heavy crossbow shot away at high speed!

Under the gazes of Xu Xin and Ma Hongwei, the two-meter heavy crossbow pierced obliquely into the mud like tofu!

Only one missing tail was left.

What a powerful penetrating power!

"boom!"

Before Xu Xin could finish sighing in his heart, the crossbow exploded quickly under the ground!

A cloud of thick smoke rose from the spot!

At the same time, dirt and stones were flying everywhere!

Several trees around were affected by the explosion, and the nearest one was even blown out of the ground!

Thick smoke rose upwards, and at the same time, a large black hole was left on the ground.

This pit is really big, with a diameter of nearly two meters and a depth of even more than two meters.

Moreover, cracks appeared on the surrounding ground, extending for several meters away!

A single shot from a heavy crossbow could actually create such a huge pit!

Looking at the scene in front of him, Xu Xin even felt like he was blasting a mine.

Burying the bomb underground and then detonating it to blow up the ground directly, isn't that just blasting a mine

Unexpectedly, the explosive effect of this heavy crossbow is so strong!

It is countless times more powerful than the explosive crossbow!

“… How much explosives did you use?” Xu Xin looked at the big hole on the ground and turned to look at Ma Hongwei.

"Haha, I knew it would be very powerful." Seeing his weapon was so successful, Ma Hongwei immediately became excited, "It took a lot, Brother Xin. In addition to one portion of blue-grade saltpeter, I also added nine portions of green-grade saltpeter, and ten kilograms of vine juice!"

My goodness, this is too much!

No wonder it's so powerful.

Even without blue-grade saltpeter, this is ten times the amount of an ordinary explosive crossbow!

Plus blue saltpeter...

The power must be dozens of times greater!

The explosives contained in a heavy crossbow are equivalent to a large bomb!

No wonder a big hole was blown out directly on the ground.

If this pierces into the body of the giant anaconda in the center of the lake...

Who knows, it might really cause serious internal injuries to it!

If it hits the weak spot directly...

Of course, under normal circumstances, if it is not a real crisis, they should not take action against the giant anaconda that is hundreds of meters long.

After all, its weaknesses may not be the same as those of ordinary anacondas.

Moreover, Ma Hongwei and Lou Feier have the ability to recover from their injuries, so the giant anaconda may not be without it.

The possibility of killing it with one blow is too low, and the possibility of angering it and causing it to go berserk is too high.

Facing the giant anaconda, the heavy crossbow can only be used as a defensive measure.

However, if he encounters other giant beasts that come to attack the tree house, such as the blood-veined trolls he had seen in the hilly resource area before, the role of this heavy crossbow will be perfectly demonstrated!

The blood-marked troll's size should be much lower than that of the evolved giant anaconda.

In short, Xu Xin will not be afraid of its attack.

"Great!" Xu Xin patted Ma Hongwei on the shoulder. "When the materials are sufficient in two days, we will equip all our staff with your heavy crossbows, and then each of us will make a dozen or so as backup."

"Okay, Brother Xin, these are all we have." Ma Hongwei was very happy to have his research results recognized, and then he said a little embarrassedly, "Indeed, the disadvantage of these weapons is that they consume too much material."

He had been thinking about increasing the power and destroying the giant anaconda that had left a shadow on him, and had not given much thought to the cost of materials.

"The great power can cover up all other shortcomings. We will have the materials." Xu Xin smiled as he looked at the huge crater blown out outside.

The cost is indeed a big problem, and only they, the explorers, can afford to make this heavy crossbow.

Even they can only slow down for the time being.

Now, the high-level heavy crossbows that Ma Hongwei can make are all made of metal, and the crossbows also require metal and blue-grade saltpeter.

And the current explorers happen to be in great need of iron blocks.

All members were equipped with purple-grade steel armor, and every person who defected was equipped with a blue-grade iron axe. These things consumed too many blue-grade and above iron blocks.

There are not enough materials above blue level.

Although it is possible to make some green-level metal heavy crossbows, the improvement is limited. It is better to wait until there is enough metal and do it directly in one step.

Anyway, the current tree house crossbow combined with the explosive crossbow is enough.

At this time, Xu Xin's watch rang twice.

These are messages from Lou Feier and Zeng Tao.

Lou Feier: "Did you make that explosion just now?"

Zeng Tao: "What's going on?! Is there danger?!"

Qin Fu didn't send any message.

His tree house was not far from Ma Hongwei's tree house, and his ability happened to be able to sense this side.

Xu Xin replied to Lou Feier: "Don't worry, I did it."

He replied to Zeng Tao: "I am trying out the new heavy crossbow. You will have one in the future."

Zeng Tao replied immediately: "Try out the new heavy crossbow? It doesn't matter, as long as they are not enemies. By the way, where is my weapon? Is it time to make one for me?"

She had been thinking about her purple-grade steel giant blade. If she was not so weak now, she would have come out directly to pester Xu Xin.

While saying goodbye to Ma Hongwei and coming down from the tree house, Xu Xin replied to Zeng Tao.

"We don't have enough materials right now. Maybe we need a few days."

From now on, the heavy crossbow should be the higher priority choice, and Zeng Tao's giant blade should be moved back a little.

"You...you...you promised me! You won't go back on your word!" Zeng Tao's words revealed deep worry.

Now she is completely controlled. If the other party doesn't let her do it...

There was nothing she could do.

Woohoo, this is too difficult...

"This is how it is." Xu Xin cut open his watch on the spot and traded the purple-grade steel broadsword in his backpack. "Recently, the iron and steel blocks are needed to equip everyone with heavy crossbows. You can use this sword for the next two days."

The other party accepted the deal almost immediately, fearing that Xu Xin would withdraw it.

"Well, okay, this knife is not bad, I'll use this one first!" Zeng Tao was easily satisfied, and he didn't say anything after that. He must have gone to admire the purple-grade steel sword.

Xu Xin did not return to his own tree house, but walked to the tree house that Qin Fu had just planted.

Most of the soil on the ground around the tree house has been replaced by blue grade, and there are thriving seedlings on it.

This has just happened, and the weak period hasn’t even passed yet, but I can’t wait to plant.

"You, Boss, are you here?" Qin Fu had known that Xu Xin was coming this way, but he only leaned over to greet him when he came over. "What was that just now? The explosion was so powerful."

As he spoke, he directly controlled the roots and pulled Xu Xin into the tree house.

He had also tidied up the tree house to make it almost the same as it was originally.

Xu Xin explained briefly and took out two bottles of medicine from his backpack.

Strength Potion.

"This is...?" Qin Fu took it and raised his eyebrows when he saw the introduction. "Strength potion? Is this your ability?"

He actually prepared some spiritual medicine for them.

However, the improvement of the mental potion on Qin Fu was relatively small, so Xu Xin planned to give the mental potion to Zeng Tao and Lou Feier first to make up for their shortcomings.

As for Qin Fu, let's improve his strength first.

Drawing a bow also requires strength.

He himself also needs fighting power.

When there are enough materials in the future, I will give him a lot of mental power to improve his own abilities.

After a brief explanation, Qin Fu understood and drank the whole bottle immediately.

"How?" Xu Xin asked.

Qin Fu clenched his fist, took out his big bow and an arrow, shot one into the distance, and was a little surprised: "My strength has increased a lot, I can shoot farther."

As he spoke, he glanced at the second bottle of potion on the table and picked it up.

Seeing that Xu Xin had no intention of stopping him, he drank it again in one gulp.