Three months after the actual time, in the gathering place of wizard apprentices, room 9 in the central area, Leo sat opposite Xin Yan in a refreshing body.

Neither of them used their hoods to cover their heads at this time, Leo saw Xin Yan's true face for the first time, his feminine appearance matched his voice very well, but it didn't match the name at all, and the faintly exposed collarbone was shining with metal.

Leo had not taken care of his hair for a long time, and his brown hair had grown past his shoulders, and he was slowly cutting his long hair with a knife, carefully destroying it with each cut.

Xin Yan silently looked at the dozen or so manuscript papers in his hand, his feminine appearance was very wonderful at this time, there were admiration and disbelief and more was incredible.

The things on the paper are very complicated, densely filled with all kinds of data, especially a piece of paper with a three-sided wheel drawn, with red copper wires wrapped around and around on three sides, Xin Yan's secret path must be a very powerful weapon, and what he can understand is a drawing similar to a fishing net.......

This is the wizarding world, not the earth, and the magical creatures here have a variety of abilities, and although they are not highly intelligent, they will not know how to destroy.

If the poles are erected according to the previous life, and the wires are pulled up to be the power grid, it will undoubtedly be destroyed miserably, so Leo has set up a way to electrify many places underground when it comes to the defense system.

A section of the power grid area with a width of nearly 30 meters, this area is divided into two nets, one on the ground and one underground, using a bright and one dark way to ensure that the power will not be destroyed to the point of power failure, and to ensure that there is also current in the damaged place, unless the other party completely turns over the entire area.

Leo's purpose in inviting Xin Yan over is very simple, the most important things for this mission reward are given to the other party, do you still want him to produce materials? How can there be such a cheap thing in the world.

"Senior brother, can this thing really work?" Xin Yan asked uncertainly.

Leo nodded and said, "It's not a question of whether this thing works or not, if it succeeds, it will be an epoch-making thing, and at the same time, it will be the cornerstone of our mechanical golem innovation." ”

"Epoch-making?mechanical puppet innovation cornerstone?" Xin Yan stood up suddenly, not excited, but looking at Leo with the eyes of a fool and a madman.

Is it possible for an intermediate wizard apprentice to tell me that he has researched something like an epoch-making and innovative cornerstone? Is this crazy or stupid?

"Senior brother, are you sure you're not talking nonsense?" Xin Yan said word by word.

Leo shook his head, took the drawing in Xin Yan's hand, pointed to the power grid on it and said, "Senior brother, think about it, if my electric storage rune makes these barbed wire fences have the effect of thunder and lightning, once the magical creature steps on it, it will be shocked, so doesn't it have a defensive effect?"

"But don't those magical creatures know that they are entering after destruction?" Xin Yan asked.

"Yes, I've thought about what you said for a long time, so we have to lay a layer of power grid in the ground, connected up and down, even if the top is completely disconnected, the power will not be cut off, unless they empty all the barbed wire, otherwise the other party can only fly.

However, I installed a small thing in front of the master switch to provide light, and the barbed wire will be completely destroyed, and this little thing will be extinguished, so can't we be prepared?" Leo patiently explained, but did not mention the three-sided wheel-like thing, after all, it was not mature to take things.

Xin Yan saw that Leo didn't say another picture, thinking that this thing was the super-large battery that Leo said, he nodded and said: "According to your assumption, such a defense system only needs some lightning mages to monitor and repair, and the rest can be completed by ordinary people." ”

"That's right, this is exactly what the mission requires, and the entire defense system doesn't use a single magic stone, so it's not enough to complete the mission, and I really can't think of a way to complete it. ”

Xin Yan nodded, a little looking forward to the change of guard day in more than three months, and he couldn't help but think of the words of his teacher, Wizard Saiyan, 'Top talents in the field of wizarding research. There is no need for a magic stone defense system, this is really unthinkable!

The movements of the senior wizard apprentice are fast, and all the things that Leo needs are in place in one day, these are some ordinary materials, and the only trouble is the small things that Leo said.

This little thing is very common on the earth, every family needs it, and it has become an indispensable thing in life, that is, the light bulb.

Don't look at the light bulb as inconspicuous, this is a powerful assistant for human beings to conquer darkness, and it is an important symbol of human civilization.

Modern light bulbs Leo can't make it, he uses the most primitive method, and the material used is carbonized bamboo wire. He had experimented that ordinary carbonized bamboo silk could only last for more than three hundred hourglass times, so he chose a material called Kui Che bamboo for carbonization, as for the vacuum glass bottle, it was not difficult at all, and a zero-level air extraction witchcraft could be done.

The power grid was not difficult to make, but it was a hassle, especially since Leo needed to make a battery that could store a large amount of power, and the enchantment of the runes alone would have taken him three full months, and if he hadn't been an intermediate wizard apprentice at this time, it would have taken even longer.

Leo, the material used to make the battery, discarded the rare material of the lightning stone and the top-of-the-line ordinary material such as purple heart wood, and used the latest material he had discovered, the skeleton of the blue-skinned dwarf.

The blue-skinned dwarf is forty percent resistant to lightning, and when Leo studied it, he never imagined that his bones had the ability to store electricity, which was the result of a whim.

During his research, he had been wondering why the blue-skinned dwarves had such high resistance to lightning, and if they were so resistant, what would happen if they were enchanted with electric runes?

It was this idea that led him to discover a great use for the blue-skinned dwarves, and he guessed that the bones of the red-skinned gnomes and green-skinned goblins might have similar effects, except that one could hold fire and the other water, and since he didn't have these two runes, he couldn't prove it, but he was sure of his guess.

According to the size of their bones, Leo divided them into thirty-six storage groups, each of which had a total of 295 storage runes, and there were more than 10,000 storage runes in the thirty-six groups.

In room 9, Xin Yan was wrapped in a black robe and didn't dare to approach the middle of the living room, as if there was some terrifying monster there, just now he was just standing on the side of the barbed wire, an arc of electricity suddenly burst out, if he hadn't reacted quickly and activated the defensive witchcraft in an instant, I'm afraid that he would have to be seriously injured at that moment.

Leo was dressed in an insulating suit, fiddling with the barbed wire as if nothing had happened, he could see the movement just now, and he usually observed him secretly, Senior Brother Xin Yan's body may be related to metal.

"Senior brother, now it's okay, this is the main switch, as long as it is not connected to the entire barbed wire, it will not generate current, once it is connected, not only the entire barbed wire will be filled with the power of lightning, even this little thing will emit bright light. ”

After Leo finished speaking, he directly connected the switch, and Xin Yan was so frightened that he took a big step back, and the simple light bulb smaller than his fist began to heat and glow, and the incandescent light soon exceeded the light emitted by the spell torch in the room.

"Tut-tut, it's really a magical product, there is no magic power as an energy source, there is no magic model to embody the magic factor, this little carbon bamboo silk can emit such a bright light, magical, magical, really magical! This is indeed an epoch-making product. Xin Yan was alive at this time with the image of a dirt bun, spinning around the power grid and not daring to approach, trying to touch the glowing light bulb but not daring, he didn't say how this thing was the cornerstone for the mechanical puppet, because he didn't understand.

Leo said bluntly: "Senior brother, you should have felt the power of this barbed wire just now, this is still the result of not having full power, do you think such a defense system can complete this mission?"

"Truly, awrely. Xin Yan smiled pitifully, and said with admiration: "Such means can't be completed, so I'll see what kind of means can complete this task." ”