Coming to the door, Airo took a deep breath.

And the little white cat in his arms now jumped out of his arms with great interest, jumped into a balcony on the second floor, turned his head, and went into the cracks of this dilapidated building, and did not know what to do.

And after making enough mental presets, Arrow mustered up the courage, raised his hand, and knocked on the door gently-

"It's me, Mr. Tesla, I'll come in now-"

Bumper ——!

Before Arrow could finish his words politely, a violent explosion suddenly sounded inside the room! It wasn't just a simple sound, but a strong wave of explosive air smashed the broken door in one go, and even with Arrow behind him, it slammed down on the wall behind him!

This collision was really a bit unexpected for Arrow, he didn't even have the slightest psychological preparation, but it was conceivable that this collision not only scared his soul away, but also hit his entire back painfully!

It was also at this time that Arrow deeply hated the power in his body, why did he have to explode when his life was in danger? As long as it's not life-threatening, it's no problem to break a few backbones by yourself, right?! The cat...... Find a time to talk to the cat and see if you can change the mechanism of this protective force in your body......

"Ouch yo ......"

Arrow struggled to push open the door panel in front of him, clutching his waist and shuddering down from the wall. The pain in his body made him lose the strength to speak.

"Ahh President Arrow! Sorry, I'm really sorry! ”

Tesla inside was carrying a kettle-like thing that was about half a person's length and almost half a person. This guy hurriedly threw down the kettle after seeing Arrow's current condition, and hurriedly came to help Arrow.

Seeing this, Airo hurriedly stretched out his hand to stop him, and at the same time gritted his teeth and covered his waist and slowly stood up, trying to relieve the pain in his back. In order to prevent the assembler from still "kindly" supporting himself, he still tried very hard to squeeze out a smile: "I...... It's okay! Out of the way! No...... Help me ......! Ha ha...... Hahaha! ”

Arrow felt that if he would die one day, he must be embarrassed by himself.

After soothing the twitches and pain in his back a little, he leaned down and picked up the wooden board that was used as the door, walked into the dilapidated house with a smile, put the door panel on the gap, and said, "I'm sorry I came three days late...... There's a lot going on in the guild. ”

Tesla seemed to not care about Arrow's apology at all, waved his hand again and again, and said with a smile: "President Arrow, it's actually okay to be three days late, because if you come early, I might be even more embarrassed...... After all, I was talking too much. ”

Arrow turned his head and saw the half-human kettle-shaped thing that lay on the ground. In the same way, he saw the dancing girl who sat on the haystack in the corner, staring at his Tesla brother with starry eyes, Sevia.

Arrow shrugged his shoulders and pretended not to know anything, "So it hasn't been developed yet?" So what is this? ”

Seeing Arrow pointing to the kettle on the ground, Tesla's face was slightly embarrassed. He sighed, bent down to hold the kettle up, held the grip behind him, and said, "Originally, I wanted to make a prototype first...... But I don't know what went wrong, and there are always things going on in the production process during the five days, with all kinds of small mistakes and small mistakes. Today I was confident that I could have made this prototype, but now that I look at it, it seems that I have failed again...... So, I don't think I have that talent at all...... If it were the president, there would never be such a problem......"

Seeing that Tesla's mood was a little low, Sevia over there hurriedly came up and said, "Brother Tesla! You won't be without talent! You're the most talented person I've ever met! This time it failed...... This failure may simply be due to a bad environment, not a good R&D environment! With a better studio and more comprehensive materials and tools, you may be able to develop it soon! ”

Ero glanced at the dancing girl, as if he had no idea what was going on with her, and continued, "So, what the hell is this thing? ”

Arrow rubbed himself, still a little painful, and looked at the long kettle.

Tesla looked helpless, shook his head in a different way, and said, "President Arrow, this thing is far from the level you proposed that you can light a small fire...... It's still a lot worse. I still need to make some adjustments...... In fact, this thing is still a bit unstable to run......"

Arrow frowned, thought for a moment, and then said, "Then you can at least show me, let me see how much worse it is......"

The assembler also seemed a little helpless, sighed and said, "Okay, but President Arrow, you stand a little farther away, be careful." I accidentally made such a big movement when I was running just now...... You wait a minute, let me debug it......"

As he spoke, he took the tools on the ground and adjusted the long kettle. Arrow looked at Tesla sitting on the ground, and then at Sevia who was also looking at this side. When the girl saw Arrow looking at her, she immediately smiled sweetly at Arrow.

Arrow shook his head.

"That's it! I don't know what the situation is now, huh...... President Arrow, Severia, stand far away and be careful not to be affected. ”

After telling the two of them to stand away a little, Tesla took a deep breath, raised the long kettle in his hand, and carefully ...... the direction of the spout towards the wooden board used to block the door Pressed a button located on the handle.

Smack - bake!

About a second or so after the switch was pressed, a flash of fire suddenly flashed from the spout of the long kettle, and then a small fireball-like thing erupted from the spout and hit the wooden board almost a meter away.

However, this time it did seem to be much weaker, and the small fireball only flickered on the board for a moment, and did not blast the board out as it had just done.

But even so, such a thing is obviously not safer and more effective than the small flame that Boss Quint uses to light a cigarette.

The flames were fleeting, and Tesla exhaled again, reaching out and touching the spout slightly, before quickly retracting and shaking his hand. After waiting a few more moments, after the temperature of the spout had cooled to a point where it could be touched, he reached out again and touched it, twisting a small opening at the tip of the spout and looking at it.

After that, he frowned again.

"What's wrong? Although this flame is a bit beyond the scope of my imagination, you have more or less made it, right? ”

Arrow rubbed his hands and stepped forward.

Tesla shook his head and said helplessly: "President Arrow, it is obvious that my design has a very serious flaw. It would have been nice to just light the flame as it had just done, but the quality of this vent was clearly questionable. This was only the third test, and the cushion at the vent was completely charred and distorted. ”

As he spoke, Tesla's expression began to twitch. A discerning person can see at a glance that he is now forcibly enduring the feeling of regret of defeat in his heart. His eyes were red, and God knows how many painful sleepless nights he'd had spent in the past few days......

Seeing that Tesla was so uncomfortable now, Sevia over there came over, gently supported the assembler's arm, helped him sit down on the grass next to him, and whispered a few words of comfort.

Finally, Tesla nodded after taking a breath of relief, raised his hand to wipe the corners of his eyes, and said with a little choked voice in his voice: "President Arrow...... I...... I don't know if I have any talent...... I really...... It's true...... It's really a lot of calculations...... I've changed the design drawings several times...... But...... But ......"

His hand was raised, as if he was constantly trying to grasp something in the air, but in the end he couldn't catch anything, so he had to put it down helplessly—

"But no matter how I change it...... How do you do accurate calculations...... I've done the formulas over and over again no more than fifty times...... In order to make sure that nothing goes wrong...... But even if I'm so careful...... Even if I'm pretty sure that I'm okay with my calculations and design...... I still failed! I do not know...... I really...... Really don't know about me...... I...... I don't know exactly what to do now...... It's true...... I...... I ......"

Emotionally speaking, Arrow really understands the emotions of this assembler right now.

The frustration of body and mind after how much effort and effort has been exended to find that what you are confident in the end has no result at all, is enough to destroy the strongest person in heart.

This kind of feeling Arrow has also had, not to mention before, just say that in the three years that he has been out, sometimes he really thinks about simply giving up......

Working hard is sometimes a really painful thing.

What is more painful than the effort is that your effort is likely to have no results at all. And when you spend a lot of effort on one thing, the facts tell you that the direction of your efforts is completely wrong. It was a blow worse than the most terrible and vicious magic......