The fourth research group supported by the "Kolas Lab" is chaired by Nikita, and the collaborators are all young and beautiful ladies - Ajelina, the "Black Witch" of Beacon Mountain, and Isabella, a mechanism warlock from Celltown.

Nikita's research group focuses on "magic engineering". What is "magic engineering"? To put it simply, it is to use the magic crystal to drive the machine (magician) and make it complete the spell instead of the mage.

The project involved not only esoteric magical theories, but also the trial production of intricate experimental instruments, which is why Nikita invited Isabella to join her team, as neither she nor Ajelina possessed the hands-on skills of a sorcerer.

Of the four research groups, Roland was most concerned about Nikita's team. From "money detectors", "money printing machines" to "pollution purification devices", Roland has been dealing with Nikita's team a lot lately, and has also developed a strong interest in magic engineering.

"Magical Engineering" was born out of the ultimate puzzle that has plagued mages since the days of the Arcane Empire, killing countless brain cells: how do you make a spell work constantly?

In order to solve this problem, the great arcanists of the ancient times brainstormed and collaborated to invent the "magic constancy". However, this 6-ring spell is really in vain, and it only works on a few dozen spells. Since then, mages have worked to expand the scope of the use of Magical Constancy, but unfortunately no breakthrough has been made to this day.

Since this is not the case, some people have found another way, abandoning the traditional idea of constancy and trying to use magic guides to simulate the act of casting spells, so as to achieve the purpose of automatic spell casting, this idea is the starting point of magic engineering.

Normal spellcasting can be broken down into two steps, the first step is to obtain spell slots (primordial magic energy), and the second step is to combine a specific spell model with a spell slot to trigger the corresponding magic effect.

The Wizard is just a lifeless machine, unable to connect to a magic web, let alone obtain spell slots. In order to obtain magical energy, there are only two strategies, one is to infuse the caster with mana, which is not in line with the original intention of "autocasting", then the only feasible strategy is to replace the magic net with some kind of substance, and provide a continuous stream of magic power to the magician.

Is there a substance in the world that contains primordial magic?

There really is, it's the "magic crystal".

"The magic guide consumes a certain share of the magic crystal every time it casts, and when the magic crystal energy is exhausted, the magic guide becomes invalid, and it will not resume work until the magic crystal is replenished."

Roland listened to Nikita's explanation of the basic idea of "magic engineering", and immediately thought of the legendary "Mithic core".

The arcanists of the ancient empire of Feeron "Netheriel" created a large number of "quasi-magicians" based on a similar concept to Nikita, and the device that provided these "quasi-magicians" with permanent magical energy was the Mithic core.

Legend has it that the "Mithic Core" looks like a giant crystal ball, 150 feet in diameter and weighs about 500 pounds, and is attached to an ornate pedestal. The sphere emits a very bright light, as dazzling as if it were looking directly at the sun, with some faint shadows wandering on the surface......

The function of the Mither Core is simple, it transmits the raw energy of the magic net to a radius of 1 mile to supply energy to quasi-magical items within the radial range. When a quasi-magical item is within the area of effect of the Mithic Core, it can use the magical power it was instilled within, and when it is removed from the radiation range of the Mithic Core, it ceases to work and transforms into a non-magical item.

With the help of the Mithic Core, the Arcanists were able to create quasi-magical items without the need for magical constancy, and the powerful magic of the Mithic Core could even lift cities into the sky!

Unfortunately, the Mithriel core is not so reliable, and when the Felin Demon Aoi invaded the Netherel Empire, these devices used to power the quasi-magic guide and even the floating city failed one after another, and the once glorious civilization of the Netherel Empire also came to an end.

What Nikita wants to do now is actually the same as the ancient Nethriel Arcanist, and the magic crystal is nothing more than a weakened version of the Netherite core, with the benefit that it is not as expensive and rare as the latter.

With the source of the magician's power out of the way, there's one final puzzle left in magician engineering - how to make this machine perfectly simulate human spell-casting behavior, transforming raw magic into specific spell effects.

"The act of casting spells is a series of anti-entropic operations, which is to order disordered energy, and it is a reflection from the magic web to the real world." Nikita explained the nature of magic to Roland, "Learning spells is actually to extract functions with fixed or semi-fixed rules from this mapping relationship, simple spell casting functions have clear analytic formulas, but most of the more complex functions are difficult to find analytic formulas, so we have to use some mathematical tools to approximate complex spell casting functions within a specific interval to relatively simple function analytical." ”

"Wait, what did you just say...... Function? Roland wasn't sure if this awkward word was properly translated as "function" on Earth.

"That's right, we usually use power series to approximate complex primitive functions, which can greatly simplify the calculation process and make it easier to cast spells, and for those spells that are in effect every round, it is more convenient to use trigonometric series to approximate the solution given their periodicity......"

Nikita noticed the thoughtful look on Roland's face, smiled understandingly, and paused until he fully understood before continuing to explain the principle of spellcasting.

"If a mage wants to use a magic guide instead of a mage to cast spells, he must transform the above calculation process into a modular program and inscribe it in the magic guide; Secondly, the energy contained in the magic crystal is actually the original magic energy, so there is such a saying, 'the magic crystal is the skin flakes dropped by the magic net', if the magic crystal is used instead of the magic net, and the magic guide replaces the mage, it is entirely possible to simulate the casting effect...... Do you understand? ”

"Barely understood." Roland replied stubbornly.

Nikita smiled tolerantly, took his hand and comforted softly: "That's very good, the freshmen of the Austrian Law School of the University of Krasbourg may not be able to fully understand these obscure theories. ”

"I've been working on it for a long time, and I'm at the level of a mage's apprentice......" Roland was very depressed, "but even if I don't understand these spell-casting theories at all, and I've never considered any progression expansion, but I don't still cast high-level magic skills?" ”

Nikita gave him an angry look.

"You're magical, not arcane! Even if you don't understand anything, as long as you are pious enough, you will be favored by the gods, and the complex calculations in the process of casting spells are completely done by the gods, and you don't need to use your own brains at all! So, you magic casters are giant babies who don't work for nothing! ”

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