Son of Chaos Chapter 156

"While it is possible to use different materials for a formation, the energy circuits have to be the same . Of course, I only drew them glowing to help you learn them . Usually, we would draw them invisible so anyone who goes against the formation wouldn't be able to easily understand it . ", she continued to explain after she had finished drawing the energy circuits .

"Finally we use the activation phrase to activate the formation . I'll speak it out loud but normally you should only say it out in your mind, which is enough to activate the formation while hiding important information about it . "

"Krz'ds ter nam", she then spoke out clearly in a language that they hadn't heard before and which didn't seem to be easy to pronounce .

As soon as she had finished that short sentence, the outer circle of the energy circuits lit up and a thin membrane appeared about it, which then closed at the top, forming a perfect half-sphere .

Mrs . Mertinez knocked lightly against it . "This is a simple formation, which is called 'Simple Defense Shield Formation' . It uses the energy stored inside the gems to make this barrier . While activated it will constantly consume energy and if stressed it will consume an amount depending on the stress it experiences . As such it is a simple yet effective defense, with power that only depends on the energy available . "

She looked at the students who were intensely studying the formation in front of her .

"This is something you will have to always do when using formation . Find out their weak points, because if you aren't aware of them, then you might not even know how you died . ", she warned them . Everyone nodded . It wasn't something new to them . Skills to had weak points and only by knowing them themselves were they able to compensate for them and thus reduce the risk of using them .

"Alright, then can anyone tell me the weak points of this formation?", she asked her students .

A few students raised their hands, with Irena a part of them . Ivan had some guesses as well, but he hesitated to raise his hand .

She looked at those who had raised their hands and then selected one of them .

"The shield should fail, if its energy is depleted, so by attacking it repeatedly it should be possible to exhaust the energy stored in the gems . "
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"Correct . This is the most obvious method of breaking this formation and it is something that works with just about any formation . If they are exhausted they will stop working . ", Mrs . Mertinez praised the student who had answered . "Then let's first hear some other weaknesses you can guess before we talk about how to fix these flaws . "

The number of hands in the air had been reduced after the student answered since it was an answer many had guessed . Of course, there were also some who had just put up their hands, like Ivan .

"Ivan, what's your guess?"

"The barrier should break if it is attacked by a powerful enough attack, that is above the capacity of the gems to provide energy to the formation . I just can't guess if it will break permanently or restore itself . ", Ivan voiced out his guess .

"Good . For simple formations, such as this one, they will permanently break if the maximum energy has been exceeded . Better formations may be able to repair themselves . ", the teacher explained . "Of course this requires them to shut down before the drain can destroy the gems . "

"So the better the gems, the better the defense?", one of the students asked .

"Generally yes . But there are some differences in gems . Some of them have higher energy storage, while others have a better capability to transfer energy . So it is important to choose the right gems since those that have both are always much more expensive and rare than those that have only one of those attributes . "

"Then can't we just combine them?"

"A good idea and something that is usually done . But for many formations, it leads to problems if some of the materials are of higher quality then others . "

"Oh", the student who had asked the question looked disappointed .

"Then would it be possible to use gems with a high transfer rate for the formation and some with high energy storage as a battery?", someone else asked .

"You mean something similar to how smartphones work?", another student asked .

The formerly orderly class had started to become a discussion round, as it often did .

"Yeah . After all, they too have a battery that powers the other components . So shouldn't it work with formations as well?"

It should, but the question is how the energy transfer would be done . "

"Well I would propose a mixture of PCC and runes . ", another student suggested .

"That should work . Does anyone know how it works in a smartphone?"

Mrs . Mertinez looked proudly at her students who were busy discussing how to improve the gems . Being able to teach them to try to solve the problem together made her feel like she had been successful .

While other teachers might focus only on the grades of their students, she wanted them to be able to think independently and solve problems they stumble upon, without anyone's help . And seeing them work like this could thus fill her with pride in her work as well as pride in her students themselves .

"Hey, you aren't supposed to build a new node design . ", she still interrupted them after a while . "But you had some good ideas, which have been implemented as well . "
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She then took out something . "This is a node, that is sold and that implements a few of your ideas . "

The node was in the form of a pyramid and looked like it was made out of glass with a spherical ruby in the center . If one took a close look one could see some fine circuits in the glass-like substance .

"Teacher, why are you calling this node?"

"Didn't I explain that?", she thought she had mentioned it before . "It's called node since it is used as a central point of a formation . It can replace the gems that I used before . "

She then explained the features of the node . It was a combination of a high transfer capacity gem together with a battery system as well as some security measures .

"Then why would anyone use gems if nodes like this exist?", one of the students asked confused .

"Well, these nodes are more expensive and often the improvement they provide isn't really needed . And in many formations, they are less efficient than other materials . "

"Alright, that's it for the theoretical part . Now go and practice . ", she ordered . She then put a box on the table . "In here are some cheap crystals . They are enough to make the 'Simple Defense Shield Formation' . Although it won't have much of an effect, it is enough to check if you have learned it . "

Everyone grabbed the required number of crystals and then started to try to make the formation .

It was surprisingly difficult to draw the magic circuits . It had looked so easy when Mrs . Mertinez had done it, but when they had to try it, they understood how hard it was to make it exact enough . Even a single millimeter discrepancy was enough to make the formation fail .

So after positioning the gems, they carefully started to draw the magic circuits until they failed to be exact enough . Then the drawn circuits would vanish with a puff .

While Ivan was completely immersed in carefully drawing a sudden explosion beside him shocked him and made him draw wrongly .

Snapping around his head to look at Greg who was working beside him, he was surprised to see a perfectly round hole in his desk .

"What the hell did you do?", he asked stunned .

"Um, after finishing the circle, I must have messed up something in the inner part . "

"Messed up? More like created an explosive formation . ", Irena commented .

"So? You haven't even finished the circle . ", Greg shot back at her .

"That's because I'm careful so that something like what you did doesn't happen . "

"That's enough", Mrs . Mertinez stopped their bickering, before it could escalate . "Greg go and get a new desk . ", she then ordered . "And don't be disheartened by your failure . It's normal to fail a few times and think about it this way . What if you can replicate this failure? Wouldn't you have a powerful offensive formation then?"

Greg nodded and then went to the storage room to get a new desk .

Mrs . Mertinez smiled as she watched him leave . "Each year there are a few who explode their formations and in the end, they are often the ones who become the best at making them . ", she then told Irena .

Irena nodded . To her and Greg it was just their usual bickering, which was a sign of their friendship, so neither would take the comments to heart . Usually, they would keep themselves in check during class, but this opportunity was just too good to miss it .

Chapter end