The next day, Kapu took Jiang Feng to the back mountain.

The Navy hollowed out a mountain and built a treasure house for collecting precious materials. For example, devil fruit, forbidden weapons, and some special treasures.

Bazart's Mantis fruit was exchanged by his father with his military achievements.

Taboo weapon is the ultimate weapon developed by the navy to kill pirates. Although its lethality is not as good as the legendary ancient weapons, it is enough to kill ordinary major general.

The navy is extremely strict in the management of taboo weapons. To exchange such taboo weapons, we need not only a great deal of military merit, but also an application for the approval of the marshal.

As for treasures, they are nothing more than plants, minerals, and even some that the Navy does not know.

To Jiang Feng's surprise, only one major and several major were responsible for guarding the Navy treasure house.

But think about it. The Navy treasure house is in the Navy headquarters. Looking at the whole pirate world, no one dares to rob this treasure house.

A major at the door saw Kapu and Jiang Feng coming to the treasure house and immediately saluted him, "Mr. Kapp, why are you here?"

Kapu looked at Jiang Feng and said, "I'm here to exchange something for my boy."

"Maple boy, if you need anything, just tell him. He has been here for nearly ten years, and he knows everything in the Navy treasure house."

"Mr. Kapp is flattered."

Jiang Feng looked at the major with a trace of expectation in his eyes and said: "Sir major, I don't know if there are minerals with spatial properties in this treasure house."

"Let me think about the ore with spatial attribute"

the major thought for a moment, and then he said, "there is really one."

"This ore was collected from a pirate a few years ago, about the size of a washbasin. Its magic is that it has a storage space of two meters."

"At first, there were a lot of people who were fighting for it, but later they gave up because it was inconvenient to carry."

Hearing the major's words, Jiang Feng was very excited. The second step of developing new abilities was completed.

The major took Kapu and Jiang Feng into the treasure house.

Entering the treasure house, Jiang Feng was shocked. There were hundreds of shelves on the right side of the treasure house, each with a special plant.

There are also hundreds of shelves on the left side of the treasure house, each of which contains dozens of odd shaped ores.

In addition, there are some storage rooms. Jiang Feng guesses that there are weapons, such as forbidden weapons and big sharp knives.

The major takes Jiang Feng to a shelf on the left. Jiang Feng's eyes are immediately attracted by a strange shaped ore.

From the ore, Jiangfeng can feel that this ore has space energy. After sweeping through it, he also found an independent space, about two cubic meters.

It has not yet been processed to form an independent space. It can be seen that the purity of this ore is very high. This time, Jiangfeng has found treasure.

He took the ore and was about to go when he saw a black stone. The stone was about 1.5 meters long and about 5 centimeters wide. Jiang Feng guessed that this was the stone of the sea floor.

Jiang Feng said with a smile, "major, please hold it for me too."

the major looked at Jiang Feng with a puzzled look. He didn't know what Jiang Feng wanted to do with the sea floor stone. He heard that Kapu's nephew was a space fruit capable person, and he could use the stone when he could.

In fact, just when Jiang Feng saw the stone, a bold idea suddenly appeared in his mind. He wanted to use the stone to make a sword.

In the original book, smog has a weapon made of sea floor stone, which makes Jiang Feng envious.

Although the stone is hard, it will change its shape after fine grinding.

There is only one person in the navy who can make the stone into a weapon, and that is Dr. bergamonk.

Jiang Feng felt that he would go to Dr. berga punk, and the doctor would certainly not take care of himself, so he had to ask Karp to deal with the matter.

Jiang Feng chooses to make a knife with hailoushi, mainly to match his own spatial ability. With the rapid change of the ghost and the building stone of Shanghai, Jiangfeng will become the nightmare of all the devil fruit ability.

In fact, after coming to the pirate world, Jiang Feng carefully thought about what kind of strong man he wanted to be.

Is it like Kapu and zefa, who specialize in domineering power, or are they like white beard who develop their abilities to the extreme, or become swordsmen like hawk eyes.

After all, one's energy is limited and can't take into account too much, so Jiang Feng chooses the first two and gives up becoming a swordsman.

There are three realms of swordsmen in the Pirates: ordinary swordsmen, swordsmen who understand "the breath of all things", and great swordsmen with great Kendo accomplishment.

The first step for ordinary swordsmen to become swordsmen is to understand the "breath of all things". This is a hurdle that every swordsman who wants to become a swordsman must cross.People who are familiar with the plot of the pirate king all know that for a swordsman, even if he does not have to be armed and aggressive, he can easily cut steel with an ordinary wooden sword. This is the difference between a swordsman and an ordinary swordsman.

There is an insurmountable gap between them.

If Jiang Feng wants to learn Kendo, he must first choose a Wushang Dagao. If he doesn't, he is embarrassed to fight with eagle eye.

After leaving the Navy treasure house, Karp took the sea floor stone and a sketch drawn by Jiang Feng to go to Dr. bergapunk, while Jiang Feng went home directly with the space ore.

Jiang Feng's sketch to Kapu was temporarily designed by Jiang Feng himself. The prototype of the sword is mainly based on the grass shaving sword in the world of fire shadow.

The shape of the sword is roughly the same, but some materials are added to the end of the sword handle to prevent others from finding out that they are not demon fruits.

After returning home, Jiang Feng carefully observes the space ore and feels the space energy above. From the spatial energy distribution of the whole ore, from the outside to the inside, the space energy is more and more rich.

Jiang Feng guessed that there was another mystery inside the space ore, "the edge of space"

Jiang Feng made a black blade, cut off all the periphery of the ore, and saw a fist size, smooth as jade black stone, appeared in front of Jiang Feng.

Looking at the stone in front of him, Jiang Feng is sure that this is the best material for making space equipment.

As for the cut stone, it can be melted into molten iron to make some iron objects that can transmit the force of space.

In the evening, Kapp came back and told Jiang Feng that it would take six months for Dr. bergapunk to make the sea floor stone weapon designed by Jiang Feng.

Jiang Feng has been very satisfied with this, after getting this weapon, he can boldly deal with the devil fruit ability.

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