"Imperio!" Then, in another cage, the mouse, under the guidance of Lin Yiyan's magic wand, made all kinds of difficult movements that ordinary mice could not do, like a circus vaudeville performance. Pen? Interesting? Pavilion wWw. ｂiquge。 Seeing this, Lin Yiyan nodded with satisfaction, and then continued to experiment with the next unforgivable spell, only to hear Lin Yiyan whisper to the mouse in the other cage, "Crucio (Drill Heart and Cut Bone)!" ”

The rat in the cage let out a terrible 'squeak' scream in an instant, and the sound was chilling. However, after the test, Lin Yiyan directly ended the casting of the spell, but the mouse was still trembling, as if he had experienced something terrifying.

Seeing this scene, Lin Yiyan felt that compared with the fatal Avada Death Spell, the spell of Piercing the Heart and Cutting Bones was even more terrifying. After all, the former is also a pleasure after being hit, and you can't feel anything, and the latter is purely a mental and physical torture, and after a long time, I'm afraid it will make people crazy.

Thinking of this, Lin Yiyan shook his head, expelled this thought from his head, and then instructed Jarvis, "Jarvis, take notes." The spell specifications and fluctuations just now are recorded! ”

"Yes, sir." Then Lin Yiyan stretched out his arm, and the gray air flow surged, and the dead mouse was instantly broken into particles and disappeared into the air.

"Now that the correct pronunciation pauses of the three unforgivable spells have all been tested, it's time to start training on casting." Lin Yiyan thought secretly. Thinking of this, Lin Yiyan did not hesitate, immediately raised his hands to concentrate, concentrated his mind according to the requirements of the book for the release of spells and magic, and read the incantation.

"Incendio (Flame Blazing)!" Suddenly, I saw a flash of fire, and a piece of fire suddenly bloomed from between Lin Yiyan's hands, and then, like a violent beast, roared and shot around, instantly igniting the surroundings, fortunately, in this case, Lin Yiyan had already dealt with the situation, only to see the golden light on Lin Yiyan's left hand flashing, and everything around seemed to flow backwards, instantly returning to its original state.

Lin Yiyan, who did not feel that there was anything wrong or psychological shadows because of this, remained unchanged, and after all the flames disappeared, he once again opened his mouth and recited the incantation.

“incendio！” The fire was still shining, and the flames exploded uncontrollably in all directions. Then, Lin Yiyan waved his left hand again, and everything returned to its original state again. Then, Lin Yiyan continued to open his mouth and recite without changing his face, "incendio (flame blazing)!" ”

Flames erupted......

“incendio！”

I heard only the sound of 'Bear', and the flames spread again as if with the help of the wind.

………

It wasn't until seven or eight times later that Lin Yiyan stopped.

"There's nothing wrong with the spell. Otherwise, you won't be able to create a fire. The steps of casting spells are also good, the same as when I used this magic in the Harry Potter world, so it is really the reason for the lack of mental power cohesion and direction. Lin Yiyan put down his hands. Pose as a contemplative with your right hand half-bent. His fingers rested lightly on his chin, and he looked at the demon beside him with a thoughtful expression.

Then he straightened up again, pointed his palm at the cage rat, and chanted the spell again.

“incendio！”

"Whew!" In an instant, I saw a flash of fire, and a red yellow flame immediately ignited the cage and the mouse in the cage, only to hear the mouse inside make a 'squeak' scream, but could not escape the cage, when the flame disappeared, the cage turned into ashes, and the mouse turned charred black.

At the same time, the room was filled with the smell of meat as streams of black smoke drifted away. Seeing this, Lin Yiyan nodded with satisfaction, "This really works." ”

The so-called lack of spiritual power condensation, in fact, does not really mean that Lin Yiyan's spiritual power is not condensed enough, otherwise it would be impossible to create flames out of thin air, or it would be impossible to activate the spell to make fire! So it's clear that the lack of cohesion here is actually referring to another essential element of magic - the goal! Both the target, the attacked.

Without this purposeful mind, magic is merely a polymer of special energy, acting only according to the nature of the 'thing' from which it is born. This also explains why magic has always been immediate.

As for the other guiding directivity, it's even simpler, it's just that there is a lack of a reference to replace the magic battle to help the mental power correct the position. Because in general. Human attention is scattered, and even concentration can only be for a short moment, without special training. It also can't last, so if you want to make your mental power more concentrated and fall to the designated position more accurately, you must set a reference for yourself.

For example, a tall building, a car, a sign, or a coin...... As long as it allows you to focus, anything will do. But then the problem arises, you can use specific items to focus your mental power in normal times, but what if you are in battle? You can't just find a fixed reference to concentrate on the spot, right? Let's not talk about whether it is effective or not, even in terms of safety, it is not reassuring!

So another easy alternative was thought of. That's right, that's the magic battle!

According to the instability and swimming nature of human attention. As an arm extension, the magic battle can be a good reference to help the user concentrate and easily make directional guidance to the mental power through vision. This greatly solves the problem of the concentration of mental power.

Then, according to this theory, the human arm can naturally become a reference to point and correct the spiritual force. At most, it may be because of the thickness of the arms, the concentration of mental power is not as good as the condensation of slender magic battles, and there may be excess magic power when casting magic.

"It's no wonder that even an old wizard like Dumbledore and a powerful witch like Professor McGonagall have to cooperate with their arms when casting spells with their bare hands, it seems that this is not simply a magical gesture required as recorded in some magic books, but a positioning guide through the arm." At this time, I couldn't help but think of the images I had seen several times when I was at Hogwarts when Professor Dumbledore and Professor McGonagall cast spells empty-handed.

Then he took a deep breath to remove irrelevant thoughts, and once again practiced casting spells in the room. After all, it's one thing to be able to cast spells without a fight, it's another thing whether the magic will be wasted, and whether the magic released will be more cohesive and stronger.

And so it went for another two days......

On this day, Lin Yiyan had been practicing the wandless interpretation method as he had done two days ago, practicing more than thirty kinds of spells he had learned in turn, and at this moment, the contact requests of Charlotte, Asuna and Shino suddenly jumped into his sight.

"Connected!" With Lin Yiyan's words, three beautiful girls with hard hats appeared in Lin Yiyan's picture. And Lin Yiyan stopped what he was doing, looked at them Lin Yiyan smiled slightly, then looked at them and said, "You guys seem to be quite used to this kind of thing!" What's wrong? ”

"This is the design of the underground world co-designed by Lakshata and Lloyd and Anna, I sent it to you to see, do you think there is anything that needs to be improved?" The three girls glanced at each other, ignoring Lin Yiyan's teasing, and then Charlotte spoke.

"Send it over and I'll take a look!" At the same time as the words fell, Lin Yiyan also heard the prompt sound that the document had been accepted.

"Drop"

Lin Yiyan raised his arm and opened the file shelf in the air, and suddenly, a huge three-dimensional model appeared in his field of vision, slowly rotating to show him everything on the model. Lin Yiyan watched and asked, "Have you seen this drawing for Lala?" ”

The model in the picture is a large underground world, except for the fixed surface world, the entire underground world can be said to have basically hollowed out the entire underground of the island, and the foundation below is also wrapped in steel in order not to affect the buildings on the ground.

At the same time, in the underground world, there are several spaces inside, except for a few parts of which have clear purpose signs, all the others are marked with the words to be arranged, obviously not yet decided how to use them. However, with the expansion of science and technology in the future, Lin Yiyan believes that these places will not be vacant.

"I've already shown her, she said listen to you." Shi Nai said with a slightly helpless expression.

"What do you think?" Lin Yiyan asked.

"I also think it's about the same, their design is okay, and with the addition of Jarvis, there shouldn't be much of a problem with security!" Asuna also nodded.

"But it seems that there is no escape route?" Lin Yiyan looked the model up and down, and then said to them, "Let's add an escape passage for us to escape when we encounter strong force majeure!" After speaking, Lin Yiyan started to draw a horizontal line directly outside a room near the bottom space of the elliptical underground world.

"It really does, and we ignored that!" The three girls looked at each other, then nodded in unison.

"But, Yi Yan, have you ever thought that this island is so big, if we just walk, we may not be able to walk it all in one day, right?" Charlotte directly put forward her thoughts to Lin Yiyan.

"Indeed, it would be nice if there was a teleportation array like SAO!" Asuna thought of the teleportation point in the SAO game, and said to Lin Yiyan. (To be continued.) )