Early the next morning, as a famous natural wonder in Mingjing City and one of Luo Ji's capitals, Mingjing Lake was directly chartered by the Ordnance Research Department today.

There is no way, if they want to test underwater weapons, it must depend on their performance underwater, but it is impossible for them to go to the Yangtze River port to do this weapon test.

For the sake of convenience, Spiegel Lake is the closest test site to them, provided that the test requirements are met.

For safety reasons, all the fishing boats on the lake were emptied, and at the same time, a long separation line was directly pulled up in the whole circle of the periphery, and the battle was quite large.

Luckily, it's not the peak fishing season, so it doesn't have much of an impact on the fishing industry in Spiegel.

"Ye Xuan (Karl), see Your Majesty."

After getting out of the car, looking at the two people in front of him, Luo Ji couldn't help but have a trace of surprise in his eyes.

"Carl, why are you here?"

Carl is the top elven craftsman in the High Elf clan, and Luo Ji's spell equipment is forged by him himself.

However, seeing Carl here was obviously a surprise to Luo Ji, and at the same time, some speculation inevitably rose in his heart.

As a result, before he could think about it more, Ye Xuan had already said the answer with a smile.

It turned out that this time, the underwater weapon research and development project that Luo Ji ordered to give Ye Xuan was to be used to deal with the Fish-Man Clan, and the physique of the Fish-Man Clan soldiers was generally huge, two or three meters were everywhere, and they could be seen everywhere below ten meters, so there were naturally quite strict requirements for the power of the underwater weapon.

Under this premise, the underwater weapons developed by Ye Xuan several times failed to meet her expectations, which made her have to tear down and redo them over and over again, and even change her thinking and redesign.

However, in this era, due to the limitations of technology and scientific and technological strength, the difficulty of getting underwater weapons is really not ordinary, even if it is a top talent like Ye Xuan, there is a feeling that he is stuck in a bottleneck and does not know which piece to start with.

At this time, the peculiarity of their Ten Thousand Realms civilization was revealed, they were not an ordinary human civilization at all, and within the Ten Thousand Worlds civilization, there were too many things that ordinary human civilizations did not have.

In this way, Ye Xuan, who was stuck in a bottleneck, had an idea, and with the improvement of the power of the weapon as a breakthrough, she directly thought of the magic weapon of the elf clan.

Although the weapons of the elves are all typical cold weapons, however, who dares to say that they are not powerful?

The power of that burst arrow was no weaker than that of a high-explosive grenade.

Earlier, when Luo Ji asked Ye Xuan to go all out to develop underwater weapons, he directly gave her a warrant, whether it was money or people, to a certain extent, with this warrant, it could be directly mobilized.

Now it's okay, Ye Xuan, who was inspired all of a sudden, directly took the warrant and put the elf craftsman Carl in the Ordnance Research Department, and the rest of the matter can be imagined.

"So, you guys teamed up to make a spell weapon?"

When he said this, Luo Ji's expression was already extremely subtle.

It has been said a long time ago that there are basically only two ways to forge a spell weapon.

The first method is to use the spirit wood specially cultivated by the elf clan, the staff of the mages, and the arrow shaft of the elven magic arrow are all made of this spirit wood.

According to the difference in the age of the spirit wood, there is also a huge gap in the level of value, and the current highest value spirit wood is naturally from the elf ancient tree, which is the top material in the real sense.

In addition, another way is to integrate a rare spell material into the forged material, which is the three-star natural wonder of their Ten Thousand Worlds civilization, one of the specialties of Star Lake, Star Sand!

Only after incorporating star sand can the properties of the material be changed, so that the spell can be engraved and then the spell blessing can be formed.

But now here's the problem, it's a rare spell material!

Xingchen Lake is so big, and the number of star sand at the bottom is even less, only by bathing in the glory of the stars for many years can a little star sand be gradually produced, and there is no shortcut at all.

And judging from the current situation, this underwater weapon must not be made of spirit wood, that thing is okay for magic staff and arrow shafts, but it is purely too much to think about it when it is used for other weapons.

In this way, the only thing that can be used is star sand, and in addition, in order to make the spells on the weapon work, you must also use the magic crystal as an energy source......

After the combination of various factors, an answer has already emerged in Luo Ji's mind, that is, this weapon is destined to be unable to be mass-produced, and it is expensive to death!

How useful can a weapon that cannot be mass-produced come in handy in a war? Unless it can be reached at the strategic level, which is obviously impossible.

At this moment, the sense of expectation in Luo Ji's heart can be said to have been removed by more than half at once.

But in any case, let's take a look at the finished product before jumping to conclusions.

In the time that his thoughts were flying, Ye Xuan had already taken out his newly developed weapon.

The size is unexpectedly not small, the appearance is seven or eight points similar to the gun, but it is much larger than the average rifle, and it can be used as a bazooka on the shoulder, obviously, the reason why there is such a size, to a large extent, is to increase the power of the attack.

And the aqua blue gem inlaid at the end of the barrel made Luo Ji clearly realize that this really needed to consume magic crystals.

At the same time, the large number of spells that unfolded around the water magic crystal also clearly told everyone that this was a spell weapon that integrated the spell technology of the elf race.

After looking at the main body of this weapon, which was absolutely impossible to be low-cost, Luo Ji's eyes quickly shifted to the two objects next to him.

One is a canister that looks like an oxygen cylinder, but I don't know what it's used for, and I can't see any characteristics for a while.

And the other, looking at the shape, looks like an arrow, but it is much larger than the arrow, and at the same time, it is completely metallic, and the arrow with four edges and corners is unfolded, reflecting the cold light in the sun, which looks particularly hideous.

Moreover, the sharp-eyed Luo Ji could see at a glance that each edge and corner of the arrow had obvious bloodletting grooves on both sides, which clearly referred to the design of their bloodletting guns in the early years, and combined with the current advanced technology, it was further improved, and it was a weapon specially used to deal with large enemy units with rough skin and thick flesh.

After reading all three of these things, Luo Ji suddenly had a thought.

"Is this, a harpoon?"

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