After observing it for a while, Jiang Feng picked up the gem that was already full of cracks inside, and then carefully sensed its structure again. The result was predictable. Now the gem had completely lost any effect, and it was just an ordinary stone in his hand.
However, this was different from the results of his previous experiment. He had previously tried to absorb the energy from the gem. However, after absorbing all the energy from the gem, although the gem would still shatter, the overall color did not change significantly.
Therefore, by comparing the two results, we can infer that the effect of carving runes directly on the gem is to release the energy in the gem instantly, and it is not only the ordinary energy that is at work, but also the elements inside the gem are consumed!
This time, the experiment was conducted using a blue gemstone. Jiang Feng couldn't help but wonder what the effect would be if a fire rune was engraved on a red gemstone. Would it cause a massive explosion or release a huge ball of flame?
If this conjecture is true, then the material of the rune shells can be replaced!
You have to know that making a rune cannon requires secret gold and energy crystals. As for meteoric iron, it is not a precious thing compared to these two things.
The characteristic of energy crystals is that they can be reused repeatedly. It would be a lie to say that Jiang Feng doesn't feel bad about such a precious recycled material being used as a disposable material!
So if his guess comes true, and the red gem can indeed produce an explosive effect, then the energy crystal can be completely replaced. After all, this kind of gem is also a disposable consumable, and they got a lot of it this time.
Thinking of this, Jiang Feng got to work. He found a few red gems, drew fire runes on them with a pen, and then carefully carved them with a chisel.
After failing twice in a row, Jiang Feng was about to succeed the third time, but he stopped at the last step.
There are several reasons, the most important of which is that he doesn't know the power of the gem yet. Experimenting indoors might be suicidal, so he should leave the castle and find an open space outside to try.
Moreover, after such a long time, the energy of the ruby was exhausted. One ruby kept a fist-sized flame burning for almost six hours. This alone made it an important material.
Such a ruby can be used for heating, lighting and even cooking. With just a few modifications, it can become the best portable stove for combat team members when they go out to fight!
Of course, now is not the time to do this. Jiang Feng hurriedly packed up and left the room, walked to the door of the flower fairy's room and knocked gently.
"who?"
"It's me!"
"Woo~ what?"
After a while, the flower fairy with a blushing face poked her head out from the crack of the door and looked at Jiang Feng with some uneasiness.
"Um, I want to go out for a walk with you!" Jiang Feng looked at her tempting red cheeks and revealed his purpose.
"Now?"
"Yes, now!"
Flower Fairy was a little dumbfounded. Although she liked Jiang Feng, why was she running out in the dark? This had nothing to do with romance!
"Okay then? Wait a moment."
The flower fairy stared at Jiang Feng carefully for a few seconds before agreeing.
“Bang!”
Afterwards, the door was closed and Jiang Feng could only stand in front of it awkwardly. He felt extremely depressed and wondered why their relationship was not as good as before even though they had clearly expressed their feelings to each other.
Fortunately, the flower fairy came out soon after putting on her clothes, and then the two of them left the castle without saying a word.
After coming outside, the whole world was terribly dark, as if all the light in the world had been absorbed by the gloomy clouds.
Despite the darkness, the flower fairy kept moving closer to Jiang Feng, which made Jiang Feng think about it. He hugged her and then flew towards a nearby mountain.
"Where are we going?"
"Let's test the effect of the gem nearby." Jiang Feng felt the warmth of the beauty in his arms and whispered in her ear.
"Have you made any new discoveries?"
Talking about this, the flower fairy was obviously interested. The attraction of runes was sometimes enough to make her intoxicated.
"Well, if the guess comes true, we will have a large number of rune shells to use." Jiang Feng carefully told the flower fairy his guess.
"arrive!"
This mountain was not far from the turtle, and soon Jiang Feng landed on the top of the mountain with the flower fairy in his arms.
"Stand behind me later and protect yourself!"
"Um!"
Jiang Feng touched her face and gave her instructions carefully, then he took out the ruby and carving knife to complete the last step.
Of course, he also took protective measures. The mysterious patterns on his body were brought into full play. He also used the ability of shadow deformation so that he could turn his hands into shields at any time.
After the rune was carved, Jiang Feng immediately threw it out, and then a ball of dazzling white light suddenly bloomed in the air, and raging flames spread out from it in circles.
Jiang Feng could only protect the flower fairy behind him, while his left arm formed a shield and his right arm turned into silver claws to tear through the air.
"boom!"
The violent explosion caused flames to splash in all directions in the air. The flower fairy stuck to Jiang Feng's back, quietly gazing at the rising flames in the air, not knowing what she was thinking.
"Wow! I didn't expect it to be so powerful!"
After the explosion completely stopped, Jiang Feng stopped using his supernatural power and said with some regret that it was a good thing that he had been careful not to conduct the experiment inside the castle this time, otherwise the huge fireball with a diameter of four or five meters would definitely cause considerable damage to the castle.
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