Xia Xialin, who was unwilling, changed his research ideas, and first made the imaginary mental power meter and magic power meter.

Following Xia Lin for a long time to make a long rope with dozens of recording techniques and a long wooden board with light runes and isolation runes written on them, Harper looked at these two strange instruments and his face was full of curiosity:

"Xia Lin, what is this?"

"I made a mental power meter and a magic power meter that can measure the value of mental power and magic power."

Xia Lin rubbed his chin and said uncertainly. Although he felt that the design rationale was based on two assumptions that had not yet been determined, there should be no problem with it.

However, whether these two shabby-looking shabby things could achieve their goals still made Xia Lin a little skeptical.

He first took one end of the rope to the gate of the yard, and let Harper carry the other end and run down the street.

Only after the long rope of the main body of the spiritual force meter was completely straightened, Xia Lin entered a meditative state under the curious eyes of several passers-by, and began to release his spiritual power to probe the information recorded by the recording technique released on this rope.

10 m ...... 20 m ...... 100 m ...... 200 m ...... 300 m ...... 360 m ......

Soon, Xia Lin felt that he had reached the limit of his spiritual power, and the distance recorded by the Recording Technique closest to his spiritual power was three hundred and sixty meters.

He then used teleportation to make Harper repeat his actions on the other side, and Harper detected the message for 70 meters.

This long rope is a total of 400 meters long, so it seems that his spiritual power can be recorded as 360 meters, and Harper's spiritual power can be recorded as 330 meters.

Considering the difference in the number of spells cast by the two of them, it seems that his mental power meter can indeed measure the spiritual power of the mage to some extent.

Letting Harper stay where he was, Xia Lin once again probed out his spiritual power, and found that after casting the one-ring communication technique just now, his remaining spiritual power could only detect 310 meters of recording information, and it seemed that the consumption of a one-ring spell should be 40 to 50 meters of spiritual power.

For the sake of convenience, Xia Lin directly set the meter as a unit of spiritual power.

With the help of him once again casting the spell he mastered, he found that the mage's armor consumption was 50-60 meters of spiritual power, and the flame arrow consumption was also this value.

The cost of the Writing Scroll reaches 80-90 meters, the cost of Heating and Cleansing is about 10-20 meters for Zero Ring's spells, and 20-30 meters for Falling Arrow, Omen, and Recording.

After casting a spell, Xia Lin already felt that his spiritual power was about to run out, so he stopped the experiment and began to put away this simple and crude mental power meter.

If it is confirmed that the distance of spiritual power release is indeed related to the concentration of mana, Xia Lin can try to find a way to increase the concentration of mana and make the mental power meter into a thermometer-like shape, which will be much more practical.

Next, test the magic meter, the principle of the magic meter goes without saying, in fact, it is just the role of light runes instead of the scales of various measuring instruments, Xia Lin let Harper, who has not consumed much magic power, touch the input point made of magic copper and inject the magic power in his body.

Because of the use of low-grade demonic beast blood that is not very strong to draw runes and wires, Harper injected half of the magic power into his body, and only then did he light up ten light runes on the magic meter, as for more magic power, there is no need to inject it, anyway, it is just to test whether the magic meter can be used.

Xia Lin recorded Harper's magic power as twenty squares, and the units of magic power as grids, and tested the self-physical magic power consumption of various spells, and ended the test on people.

It was concluded that the self-mana cost of zero-ring spells ranged from 1 to 1.5 blocks, with the light rune slightly light state being recorded as 0.5 blocks, and the self-mana cost of one-ring spells being 2.5 to 4 blocks.

In this way, Harper's real magic power should be 22 blocks.

Through the data obtained so far, Xia Lin naturally discovered the connection between spiritual power and demonic power, and in general, spiritual power is about 15 times that of demonic power.

However, it is not surprising that such a result occurs, after all, the self-body magic power is the power generated by the mental power repeatedly controlling the external magic power and then impregnating the mage's body, and it is normal for there to be a connection between the two.

Re-replenished the spiritual power in the spiritual power node of the light rune, and began to try to measure the concentration of environmental magic instead.

With a mana meter and an isolation rune, you can naturally measure the concentration of mana.

By creating a space about a cubic meter in size that insulates inside and outside magic with an isolation rune and a wooden frame, Xia Lin places the mana meter into this space, and then destroys the isolation rune at the contact point of the mana meter.

As the magic power in the space poured into the mana meter along the spiritual power barrier that disappeared at that point, the light rune on the mana meter gradually lit up, and finally stayed on the 30 grids that made both of them a little unbelievable, and the thirty-first light rune was still slightly lit up.

"It seems that the concentration of environmental magic is much higher than I imagined, even if it is the autologous magic power of the high-ring mage, I am afraid it is difficult to compare with the magic power in the environment."

Xia Lin sighed, and then thought of another use for the isolation rune.

Since the Isolation Rune can isolate the magic power, if you can design a spell and use multiple isolation runes to create a huge spiritual power membrane to block the environmental magic, wouldn't it be possible for the mage to rely on his own own magic power to cast spells? That's a big restriction on mages.

However, this idea is only an idea now, and Xia Lin writes it down on a piece of parchment and ignores it.

With the mana meter and the method of measuring the concentration of mana with the magic meter, Xia Lin decided to take Harper and Wyatt to various places in the imperial capital and the suburbs to conduct an experiment to measure the concentration of mana, to see if the concentration of mana would change due to various factors, otherwise the application of the mental power meter would be greatly limited.

In order not to resist the instrument, Xia Lin found Roy, originally just wanted to borrow the strong Adams as his entourage in charge of the anti-box instrument during this time, but he didn't expect Roy, who had been promoted to a small leader of the bronze hand, to follow enthusiastically.

Fink was no longer with the two of them, and he didn't know where he went, thinking that he had fallen out with Roy and Adams after that day.

However, Xia Lin didn't care about the life or death of such a character, he gave the two of them a daily payment of eighty copper bis, and went to the carriage guild to rent a carriage, and began outdoor experiments.

So there was a strange scene in the streets and alleys of the imperial capital, two young men in mage robes with two strong men and a beautiful "girl" carrying a strange plank and a box, one of the mages was still reciting words to the other, and the other mage was also holding a roll of parchment and recording something in style.

If it weren't for the fact that the two mages were still just out of the age of children, and they looked harmless to humans and animals, maybe there would be rumors about some evil mage's conspiracy to destroy the imperial capital in the imperial capital.