Early in the morning, several people came to the canyon again. Li Xiang was doing his daily Saitama workouts on the side, and it was already 2 months since the days were calculated, and there were still two years and 10 months left. And after Genos was taught a lesson by Saitama last time, he and the doctor studied in retreat for a long time, and finally developed a new super weapon and upgraded himself to a level. With the thought that he might (certainly) continue to be abused, Genos once again sought out Saitama to test his progress.

Direct Genos routinely adjusted the power output of the energy core first, and the powerful energy fluctuations even distorted the surrounding air, this time Genos did not choose to test, and turned on the latest equipment as soon as he went up, Super Ion Beam Booster.

The Super Plasma Beam Booster is a device developed based on the ion thruster. Ion thruster, also known as ion engine, ion thruster is a kind of electric propulsion, which is characterized by small thrust and high specific impulse, and is widely used in space propulsion, such as spacecraft attitude control, position maintenance, orbital maneuvering and interstellar flight. [1]

Ion propulsion uses the ionization of working fluid to generate ions, which are accelerated under the action of an electrostatic field to produce thrust, so it is also called "electrostatic propulsion". The acceleration principle of ion propulsion is relatively simple, theoretically speaking, there is no energy loss during the acceleration process, therefore, the efficiency is high, and at the acceleration voltage of 1kV, the specific impulse of thousands of seconds can be obtained. Compared with his predecessor, the ion engine, the Super Ion Beam Booster has the advantage of being more miniaturized, thruster, and more efficient ion generation. ）。 Of course, in normal combat, this acceleration can allow Genos to move up to Mach 37 in a short distance.

In fact, the super ion number booster is not a fully mature equipment, because although it is powerful, the corresponding supporting technology and protection measures are not perfect, and the problem of excessive energy consumption has not been solved.

Although the booster speed is ideal, the material on Genos's body is not enough to support such a high speed of Genos moving within the earth, Mach 37, 37 times the speed of sound, in the case of such a high speed, when rubbing with air, you can imagine how high the temperature will be. The existing materials simply could not withstand the high temperatures generated by high-speed movement, and the current dynamic video capture system on Genos could not handle real-time scenes above Mach 20, so if Genos exceeded Mach 20 in battle, he would lose his balance and crash. Of course, one of the most cheating things is that due to the rush of time, the speed lock protection system on Genos is not yet mature, and in the fierce battle, it is possible to overspeed at any time.

In order to increase the thrust of the thruster, when the booster is turned on, 30% of the energy will be distributed to the electrostatic field accelerator to support the generation of a more powerful electrostatic propulsion field, so when the booster is turned on, even if it is only for the past 15 minutes, it is possible to deplete the full energy of the energy core.

Twenty minutes passed, and Genos finally gathered up his energy, which means that the two sides were fighting each other, and they were in a formal battle

It is estimated that no enemy will be stupid enough to wait for 20 minutes before attacking. Seeing this scene, Saitama finally looked more serious and began to concentrate on catching the figure of Genos.

Genos had entered a supersonic state at this time, and all the clothing on the surface of his body had disappeared, revealing the alloy body under the clothes, forming a special vacuum area around his body, and it was based on this vacuum area that the ion booster could work normally. Genos did not rush to attack, but took advantage of the vacuum area formed around his body, and began to continue to accelerate, Mach 2, Mach 5, Mach 10, Mach 15, Genos's final speed stopped at Mach 15, at this time, it was no longer possible to capture his figure with the naked eye, only the cloud and mist tracks crisscrossing the field proved that he was still moving at high speed at the scene.

"Genos, it seems that your transformation is really big this time, even if it is me, I have to work hard to keep up with your speed at this time. Seeing that Genos's speed no longer changed, Saitama chased after him and said with some excitement.

"Uh, huh?" Suddenly hearing the teacher's voice, Genos was suddenly startled, and gasped (in fact, he didn't inhale anything), although he already knew the teacher's strength, but he still couldn't understand why a local vacuum had formed around him, and the teacher could still transmit the voice, and what was even more shocking was that a human body could reach such a high speed by its own strength, and it was unscathed, and even the clothes on his body were not damaged!

Gritting his teeth, Genos strengthened the power of the ion booster again, Mach 17, Mach 18, Mach 19! Soon, Genos's speed was close to the limit of what he could reach in the atmosphere at the moment, and Saitama was still closely following him, and the battle was a little above Genos didn't care so much, and continued to accelerate, Mach 19.5, Mach 19.8, Mach 20, Mach 22! The hot-blooded Genos had already suffered a lot, and at this time he could no longer see the scenery around him clearly, his hair had been completely burned to ashes, and his alloy body was already red and shiny, as if it was about to melt in the next moment! Excessive body temperature and high-intensity image processing, at this time, the system in his body has been semi-collapsed, the originally imperfect super plasma beam booster deceleration brake system has failed, and the energy supply cannot be cut off. ”

Saitama, who was excited, didn't notice the situation of Genos for a while, but fortunately, Li Xiang, who was watching the battle from the sidelines, noticed Genos's abnormality, and quickly set off to chase after him, and in the surprised eyes of Saitama and Genos, he gradually stopped the high-speed moving Genos. Saitama, on the other hand, also stopped and watched curiously.

"Genos, are you alright? I just saw that you were losing control. Li Xiang asked worriedly.

Genos smiled bitterly, and said with Li Xiang: "Thank you, Li Xiangjun, I have to blame myself for this, because I was too anxious and used imperfect equipment, just now because my speed was too fast, so that my body overheated and the system was damaged and I couldn't control myself, if it wasn't for you to stop me in time, I think I would have been..."

"Genos! How can you do this? You are so impulsive! For the sake of a fight, you completely disregard your own body, if it weren't for Li Xiangjun, what if... How much I blame myself, you know?" Saitama reprimanded Genos with some anger.

Genos: ~>_<~

Knowing that he was wrong, Genos was in a low mood and lowered his head into reflection.

"Bang! bang!"

There was a round of applause, and a mysterious figure slowly walked out of the corner.