If I had to describe it in four words, it would be "a celestial maiden scattering flowers!"
This structure is quite ingenious, and it wasn't something Ye Feng had told Luo Qing about.
In other words, this was Luo Qing's own whimsical idea.
It seems that her adopted offspring is really talented in this area; she has figured out many useful and useful things on her own!
"Ancestor, are you satisfied with this result?" Luo Qing asked triumphantly.
"That's really impressive, Qing'er. You've done another great service," Ye Feng said earnestly.
Luo Qing felt a little embarrassed and quickly said, "This is not my achievement alone. My aunt deserves more credit than I do. Without her, I definitely wouldn't have been able to make the grenade so quickly."
"Grenade? Is that what you called it?" Night Wind asked with a smile.
Unexpectedly, Luo Qing gave it such a name. If Ye Feng didn't know Luo Qing very well, he would probably suspect that Luo Qing, like him, was a person from another world who came from the present world.
"Isn't it good? I think it's a weapon that's launched by hand, so I just call it a hand grenade," Luo Qing said, scratching her head.
Zijing asked, "Then what does 'thunder' mean in 'hand grenade'?"
"Didn't it sound like thunder when it exploded?" Luo Qing asked.
“That’s true,” Zijing nodded.
Ye Feng said to Jiang Wei, "Bring another grenade."
"Yes, Ancestor."
Jiang Wei immediately took a grenade from the large box and presented it to Ye Feng with both hands.
Night Wind, holding the grenade, chuckled and said, "Is this metal casing your brilliant idea?"
Luo Qing immediately shook her head and said, "I dare not take credit for this; it was Aunt's ingenious idea."
"You actually came up with this?" Night Wind looked at Rowling in surprise.
Ye Feng had just thought that the design was Luo Qing's idea, but it turns out it was Luo Lin's ingenious idea, which was really beyond his expectations.
Rowling blushed slightly, but then said, "Qing'er can have wonderful ideas, so can I. Ancestor, please don't look down on me."
"No, no, no, I didn't mean to look down on you. I'm just a little surprised, and a bit taken aback... How did you come up with this design?" Night Wind asked.
"At first, I simply wanted to add a metal shell to it to improve its safety, since the artificial spirit stones that this girl created were really too unstable and too dangerous."
Rowling paused, then continued, "Those artificial spirit stones are created by forcibly infusing them with the spiritual energy of heaven and earth, so the spiritual energy inside is extremely active. Violent mechanical movements and fluctuations in true energy can cause them to explode. Therefore, I think that if we want to truly use them as weapons, we must solve this hidden danger."
"Otherwise, if our guards or soldiers accidentally detonate it before they even use it, wouldn't that be no different from suicide?"
"So I wrapped the artificial spirit stone with a thick layer of cotton to cushion the impact and prevent it from exploding when it shouldn't have due to a violent collision."
"Then I used high-quality steel with added purple star sand to create an outer shell to wrap around the outside."
“Ancestor, you should know that Purple Star Sand is a refining material that can isolate the spiritual energy and true energy of heaven and earth. Therefore, when Purple Star Sand is added to refined steel, the refined steel will also have this property.”
"In this way, by forging a shell with refined steel containing purple star sand and sealing the artificial spirit stone, we can isolate it from external spiritual energy fluctuations and true energy fluctuations, thus preventing accidental explosions."
As she spoke, Rowling took the grenade from Nightwind's hand and actively circulated her inner energy.
Even if a martial artist does not use martial arts techniques, as long as he circulates the true energy in his body, he will definitely generate true energy fluctuations.
However, now, even though Rowling is holding a grenade and circulating her true energy to generate fluctuations, it has not affected the artificial spirit stone inside.
The grenade remained quietly in Rowling's palm, unexploded.
Even so, the Bauhinia had already hidden behind the night wind.
“Like this, the Vajra with added Purple Star Sand isolates the external fluctuations of true energy, so the artificial spirit stone inside remains unaffected. This way, there’s no fear of the user accidentally creating a fluctuation of true energy that could detonate it,” Oulin said with a smile.
"A brilliant idea!" Night Wind exclaimed.
"Thank you for the compliment."
Rowling said, her face full of pride.
Being praised and commended by her ancestor made Rowling feel that her life had been worthwhile.
Zijing asked, "But you still haven't said how you came up with the idea of engraving diamond patterns on the metal shell, thus turning the metal shell into fragments."
Rowling replied with a smile, "It's because of a coincidence."
"A coincidence?" Night Breeze asked with curiosity.
"right.
Rowling nodded before continuing, "This morning, Qing'er and I conducted a lot of experiments. When testing one of the grenades, we discovered that this grenade was much more destructive than a normal grenade."
"After our inspection, we found that the metal casing of this unusual grenade was made of uneven material, which caused the casing to break during the explosion, forming highly destructive metal fragments."
"That's why we tried to create these diamond-shaped patterns. The patterns are the weak points, so when the grenade explodes, the metal casing will break along these weak points, thus forming fragments with strong destructive power."
Practice truly makes perfect!
This principle applies to every world!
"Very good, perfect," Night Wind exclaimed.
Luo Lin and Luo Qing were overjoyed, and Zi Jing was also quite excited.
Then Zijing grabbed the grenade from Rowling's hand and shouted, "Let me try it too! Let me have one!"
"Be careful," Rowling warned.
Zijing mimicked Yefeng's actions, popping out the latch, pressing the switch, and then throwing the grenade in her hand.
Boom!
The grenade exploded, creating a burst of fire. The shockwave and shrapnel stripped the bark off the surrounding trees, and some trunks were even pierced by the shrapnel.
Zijing exclaimed, "If it hadn't been a man-made spirit stone that exploded in front of you that day, but one of these grenades, you would be buried in the ground by now."
Zijing was obviously referring to Luo Qing.
Luo Qing immediately puffed out her cheeks and said, "How can you talk like that? Believe me or not, I'll get my ancestor to beat you up!"
Zijing chuckled, her cheeky expression making her look incredibly irritating.
Over the next half hour, Ye Feng, Luo Qing, and Luo Lin conducted numerous tests, examining various parameters of the grenade.
The safety and reliability of the hand grenade have been verified and there are absolutely no problems.
Moreover, the explosive power of the grenade is indeed very great, capable of penetrating the protective true qi of a True Yuan Realm martial artist.
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