"Although I had expected it for a long time, sure enough, it was still a lot worse than I expected after the actual test......

Among the flame-based cannonball-type attack techniques, the most useful thing that is often used in military combat is undoubtedly the "Flame Bomb", a cannonball-type elf technique that combines explosion and burning effects, and the "Fireball Technique" is actually very similar to the "Flame Bomb", which can be regarded as a low-level version. The "Little Fireball" is a more low-end version.

But no matter how low-level it is, the standard-power "Small Fireball Technique" can at least kill an ordinary human in one shot after hitting.

However, now, the wooden humanoid target that simulated the human form was only ignited in a small part after being hit by the "Little Fireball Technique", and even if this level of damage was transferred to the human body, it would only be the result of a severe burn, and if the fire extinguishing measures could be found in time, there would only be a slight burn at most!

Compared to the standard version of the "Little Fireball Technique", the technique that the test subject just released with the spell seal is undoubtedly much weaker.

How does this please Lukes?

Lux still remembers the scene he saw on the training ground on Jiang Yan's side before, it was also an attack technique that was activated by the spell armor carving seal, but the "Flame Bomb" and "Lightning Strike Technique" tested there would not have such an obvious weakening problem on his side!

Look at your own side again...... There is no gap without comparison.

By observing Jiang Yan's test, Lux could know that the spirit spell that had been converted into the form of the spell seal would not be weakened, at least not much weaker than the standard power of human spells.

The engraving circuit model of the "Little Fireball Technique" that Jiang Yan handed over to him for free should also be fine.

There was nothing wrong with the structure of the medullary crystal circuit implanted in the subject's arm, and Lukes was still sure of his own technique, and he carefully checked it with an X-ray scan to confirm that there were no mistakes.

So the only question really lies in the quality of the marrow crystal itself that I use?

To verify this, Lux took out a box of standard versions of the marrow crystals that Jiang Yan had traded for him.

After glancing at the pure and immaculate verdant color of this ball of pith crystals, which was comparable to jadeite jade, Lux couldn't help but grin secretly when he recalled the turbid yellow that his previous trial work showed that was obviously several grades worse.

Is it really the same as he knows?

Doubts in his heart turned to suspicion, but the movements of Lux's hands did not hesitate at all, and after cutting a small half of the medullary crystal and putting it back in the box for future detailed ingredient testing, Lux ordered his assistants to put the test subject unconscious on the operating table again, and then he put the remaining jade-colored pidony crystal on it.

He took out a lot of the remaining 'Living Essence Potion' and poured it onto the Jade Crystal Crystal, transforming it into a highly activated state that emitted a faint cyan glow in a matter of seconds.

The cyan aura had a hint of haze, and the color was pure and flawless, which was obviously a little more beautiful than the brilliance emitted by the activation of the pith crystal of Lux's own trial work before.

Already knowing that there was a time limit for the activation state of the medullary crystal, Lux didn't dare to hesitate too much, raised his hand and pressed it on the medullary crystal to input his spiritual power, and manipulated the medullary crystal to begin to deform.

"Huh?!" was just this manipulation, and Lux noticed a noticeable difference from the last time.

'The spiritual power is transmitted more smoothly, and the difficulty of controlling its activities is also significantly smaller, so easy that it can almost catch up with the feeling of directly driving the spiritual power, and the feeling of blocking from the flesh and blood when the marrow crystal penetrates into the human body for activities this time is also significantly lighter......

Sensing that this was far less resistance than the previous one, Lux manipulated the medulla to rapidly shape a specific circuit on the subject's other arm. This time, even if he had been prepared, the time taken to complete the marrow crystal circuit of the same "Little Fireball Technique" was so fast that he was a little surprised himself.

It only took more than 30 seconds before and after, and the efficiency was almost twice as fast as the previous one!

'Will the difference in the quality of the material of the medullary crystal itself bring about such an obvious difference......

The thoughtful Lux withdrew his spiritual power after shaping the medullary crystal circuit, and then silently observed the changes in the myelin crystal in the test subject's arm, and then he discovered one more thing: the standard version of the myelin crystal given by Jiang Yan, after being activated with the same living marrow potion, maintained the variable control of the activation for a much longer time than his previous trial work.

According to the description of the data, the myeloid crystal circuit will greatly accelerate the curing time after it is out of the control of spiritual power, but even so, the newly formed new myeloid crystal circuit in the experimental subject's arm actually took two minutes after Lux withdrew the spiritual power before it was completely solidified

This means that the time it can be used for the loop carver to manipulate and shape after activation is far greater than that of Lux's own prototype.

This is especially important to Lux!

Because, not everyone can have extremely subtle and skilled spiritual power manipulation skills like Lux. And even if it was him, when he used his own trial work to shape the circuit before, he was a little bit unable to catch up with the curing speed of the medulla material itself, let alone someone else?

And this is only the simplest, low-value "small fireball" circuit model, if you change to other more advanced techniques, the circuit model will be more complex and cumbersome, and the difficulty of shaping the circuit will also increase exponentially.

Therefore, how to perfectly shape the circuit in a limited time is a difficult technical task for those responsible for making the circuit.

You must know that there is only one chance to shape the myeloid circuit, and if you can't complete the whole circuit before the medullary crystal is transformed from the first activation to solidification, then the medullary crystal can be said to be wasted.

After all, this is a circuit transplanted in one's own body, and if the circuit created is flawed, who would dare to use it? Aren't you afraid that the spiritual power running in your body will get out of control and blow yourself up?

If there is any mistake or omission in the magic array circuit in the spirit guide made of steel, it may cause accidents such as 'explosion and self-explosion', not to mention the fragile flesh and blood of human beings themselves.

Jiang Yan gave this standard version of the marrow crystal, not to mention other advantages, just the length of time it maintains after activation, and the value it shows is far more than Lux's own trial work.

Lux then woke up the subject and asked him to test a new spell inscription on his other hand, only to see the results he had not expected.

According to Lux's instructions, the test subject used the same amount of spiritual power as in the previous round of testing, but the effect of the technique was very different.

Although it was still a small fireball the size of a fist, whether it was the heat of the flames that could be directly felt, the cohesion of the fireball shape, and the power of the humanoid wooden target to smash into charcoal chips, Lux secretly smacked his tongue.

"Hey, can't you compare? And ......"

That's it, the prototype version is used for the right hand, and the standard version is used for the left hand. Lux asked the subject to alternately use the "Little Fireball" mark on both arms one after another, and if the opponent's spiritual power was consumed too much, he asked his assistant to feed the subject directly with the recovery elixir, and after several rounds of this, the test results changed again.

"Ah——!h

The next moment, he screamed, and many parts of the skin of that arm suddenly exploded with a bang, and a dark red and eye-catching blood mist mixed with a trace of mixed spiritual power and brilliance splashed into the air along the exploding wound!

After frowning and inspecting it, Lux knew what was going on - the myeloid circuit of the prototype was damaged, causing the spiritual power that was running halfway through to fall into a state of rampant uncontrol, and then devoured the subject's arm, just like a firearm suddenly exploded.

"The resistance test is also unqualified!"

Lukes, who didn't look surprised, sighed at this, and then checked the subject's still intact left hand, and sure enough, he found that the other spell engraving circuit made of the standard version of the marrow crystal in the other party's hand was still intact at the moment, and it was believed that its service life would be extended several times without the slightest problem.

According to his calculations, if the medullary crystal circuit of the prototype was not used too frequently, it should not have broken so quickly.

If you make do with it, it's not too embarrassing, but if you compare it with the standard version of the marrow crystal, it's nothing.

"Is the gap so big......" Lux muttered in disappointment after checking. Just now, the subject had been using the two copies of the two sigils on his hands almost identically, as he had ordered.

After sorting out the test data, Lux looked at the assistants beside him who had a curious look in their eyes.

"Bring this subject back for treatment and leave it alone. Remember to urge him to use the technique buried in his left hand regularly. From now on, monitor his condition closely, especially on his hands, and report anything unusual to me as soon as he notices it...... By the way, I don't want any rumors about what happened today, you know?"

Lux glanced at his assistants with a cold expression, and after seeing that they were all nodding respectfully in a cold sweat, he waved them away with the subject to treat the injury on his arm.

Lukes himself returned to his private laboratory with the remaining half of the box of myeloid crystal samples.

After dismissing the others, Lux took out the corpse crystal and asked, "Zhi Brain, you should have been watching it just now, right?"

"Yes. 』

Lux patted the box containing the emerald marrow crystals and asked, "There should be someone over there who can make the marrow crystals, right?

"I'm not clear about this. Zhi Brain replied sincerely, "There is no record of the memory data. 』

"Really?" Lux was noncommittal when he heard this, and then he asked, "You said before that you could assist me in the production of this kind of medulla, so can the quality of the medulla made reach the level of this standard sample?"

"It should be fine. Brain replied, but before Lux could be pleased, it added, "If you're willing to give the machine permission." 』

"So we still have to sign the agreement?"

"Yes, otherwise this machine will not be able to provide you with the best ancillary services. 』

"Let's forget about it now. Lukes was still a little uncomfortable with that kind of thing, so he chose a compromise: "Try the method you proposed earlier, I'll do it, and you'll be responsible for detecting the mistake and alerting me immediately, so that's okay, right?"

Let Zhi Brain only make reminders and corrections from the side, and not directly interfere with his actions, through this method, Lux is more at ease.

"Understand that this machine does not go against your decision as a user. 』

"So let's get started. Unwilling to wait any longer, Lux chose to try it immediately, and once again selected a list of the raw materials needed to make the myeloid crystal, and adjusted the required beakers, extractors, heating furnaces and other tools.

It's just the beginning, and the reminders of the brain are very shameless and continue to ring in his ears.

"The amount of red pith powder you took is incorrect, 0.07 grams less than the standard amount, please correct it. 』

Hearing this, Lux looked at the barely visible change in the beaker, and finally complied.

But Zhi Brain quickly issued instructions to correct it again: "Still wrong, this time you added 0.02 grams more to the amount of red pith powder, please correct it." 』

"......" was about to pour the red powder from the spoon into the beaker, and Lux froze for a moment, then pulled the corners of his mouth and asked, "Seriously, you didn't fool me with such a precise measurement requirement?"

Zhi Brain replied nonchalantly, "Actually, the standard measurement accuracy must be accurate to 0.0001 grams, but this machine thinks that your own methods are not enough to achieve such a measurement accuracy, so it has lowered the requirements. 』

Hearing Zhi Brain's sarcastic words, Lux's face couldn't help but darken a little. After much hesitation, he finally chose to believe in Zhi Brain.

"Zhi Brain, you are wise, and even have your own personality, right?"

However, when Lux was busy, he also admonished it in a gloomy tone: "If the marrow crystal made this time does not satisfy me, you don't mind being my next test subject as the price of teasing me, right?"

Brains was undaunted, and replied in a very bland manner, "Please trust the power of this machine. I want to talk about "The Almighty Supreme of All Worlds" with more like-minded people, and pay attention to "excellent reading literature" on WeChat, talk about life, and find confidants~