Li Hua, who tasted the pill yesterday and was able to refine his cultivation for this sweetness, decided to upgrade the remaining five fruit candies first.

Due to yesterday's experience, he is now more proficient in manipulating the iron box, in fact, the main reason for this is because the iron box is so easy to operate, and the biggest skill of operation is that basically no operation skills are required.

Li Hua put the iron box in the place where the moonlight was most abundant, and quietly watched the beautiful picture of the moon's dust being absorbed by the iron box.

Li Hua's biggest purpose now is to find out the miraculous effect of the iron box, yesterday he waited for half an hour to open the iron box, today he wants to try to open it in twenty minutes, if not, what will be the consequences.

He looked at a worn-out clock hanging on the wall, pinched the time, and just after twenty minutes, he opened the lid, and when the light blue mist dissipated, he took out five pieces of fruit candy, put them in the palm of his hand, and felt the aura in them.

Through Li Hua's feelings, the aura of these five pieces of fruit candy is indeed more sufficient than when they were first put into the iron box, but it is still far from the aura content of a pint of pills.

It seems that twenty minutes is not enough time to upgrade the next fruit candy to the first fruit candy. Li Hua closed the lid again, and waited for another ten minutes before opening the lid, and there was a thick air inside, and after it dissipated, Li Hua repeated the action just now.

"Why is it still a little close?" Li Hua frowned, a little puzzled.

When he looked down at the mist, he slapped his head and suddenly realized, "It must have been the last time I opened the lid and let go of the power of the moon, which caused it to be much slower this time." ”

Thinking of this, Li Hua put the fruit candy into the iron box again, waited for five minutes, and then took it out, and found that the five fruit candy were all a pinched pill.

In this way, Li Hua was even more sure of the speculation just now, he roughly estimated that it would take thirty minutes to upgrade the lower grade pill to the first grade pill, and it seemed that it should not be able to shorten the time.

Upgrading drugs is this law, but what about upgrading magic weapons?

Li Hua happened to use the eraser he had just obtained to conduct an experiment, and after waiting for thirty minutes, he took out the eraser and looked at it, Li Hua's speculation was once again proven, and the eraser was indeed just upgraded to a first-class magic weapon.

Holding a product of eraser, Li Hua came up with a more novel and bold idea, he had been putting the same kind of things into the iron box before, what if he put different kinds of things?

As soon as the idea came out, Li Hua couldn't control himself, it was definitely not possible to use these five fruit candies for experiments, because he would still use them to refine his cultivation tonight to see if he could play a simple mathematical spell, after all, it was more tempting to be able to play a gorgeous and lethal spell than to grope for the effect of the iron box.

So, Li Hua had no choice but to put a first-grade pencil and a first-grade eraser into the iron box, and then took five pieces of first-grade fruit candy in one go, practicing spells while waiting for the changes in the iron box.

Li Hua repeated the technique that Ma Luyang told him more than ten times in the afternoon, and every time the equation was about to take shape, the gray handwriting was broken, and there was still no progress.

The five first-grade pills slowly turned into spiritual energy in the body, and gathered into spiritual power in the dantian, which was slowly absorbed by Li Hua's body. But he didn't feel as fruitful this time as he did yesterday, how could it be better to eat five first-grade pills than to take two? It seems that it is still not possible to rely on the power of the pills, especially this kind of first-grade pills upgraded from the lowest grade pills, the effect must be very bad.

Thirty minutes later, Li Hua opened the iron box again, and when the air was filling, Li Hua vaguely saw that the eraser inside the iron box was gone, and only a pencil remained. Seeing this scene, Li Hua couldn't help but gasp, could it be that the eraser was eaten as a meal by the iron box?

As the aura slowly dissipated, Li Hua finally saw it clearly, and this time he was even more surprised, because there was an eraser behind the original bare barrel of the pencil, but he didn't expect the pencil and eraser to become one!

Li Hua couldn't wait to take out this pencil and feel the aura in it.

As the aura of the pencil itself and the aura injected into the pencil slowly collided, Li Hua's eyes suddenly lit up, and he said in surprise: "The aura surpasses the aura content of a magic weapon!"

This discovery cannot but be said to be an extremely valuable discovery for Li Hua. This shows that two first-grade magic weapons can be fused into a second-grade magic weapon, and it is even possible to upgrade to a higher-grade magic weapon.

A magic weapon can be upgraded by two grades in an iron box, which is really unimaginable to all immortal cultivators. Li Hua is really a newborn calf who is not afraid of tigers, and he is still trying to figure out how to make it upgrade to a higher grade, what if three magic weapons of the same grade are fused?

In short, let's let this pencil continue to absorb the power of the moon first!

With excitement, Li Hua tossed and turned, slept all night, and got up early the next day, the first thing he did was to open the iron box to see the changes in the pencil.

A full eight hours had passed since he had just put the pencil in the iron box yesterday. Holding the pencil tightly, he carefully felt the aura of grandeur running through the pencil, and he was deeply shocked in his heart. What a huge aura is flowing!

With Li Hua's current cultivation, he can only feel the aura of the second-grade magic weapon or medicine at most, and no matter how high-grade things are, I am afraid he can only feel the vast aura, and nothing more than distinguishing the specific grade of the thing.

However, according to Li Hua's feelings, it is absolutely right that this pencil has been upgraded to a second-grade magic weapon.

For a newcomer who has just stepped into the immortal cultivation world for a few days, having a second-grade magic weapon is equivalent to having a talisman, and it can even be said to have an extra life. Although with Li Hua's body, which basically has no cultivation now, manipulating this second-grade pencil will also produce great lethality.

In order to try the power of this second-grade pencil, Li Hua slowly injected the few spiritual powers in his body into the pencil, and casually typed a simple formula of "1+1=" in mid-air, only to see that where the pencil tip crossed, a little gray handwriting loomed, and when the pencil fell, a row of neatly arranged addition equations clearly appeared in mid-air, like a flag dancing in the wind.

Looking up at a mathematical spell calculation he had made with his own hands, Li Hua couldn't help but feel a little excited, now no one looked down on him anymore, he was also an immortal cultivator who could play spells! He was a small step closer to his goal.

Thinking about it, my innate qualifications and acquired foundation are very weak, and I am afraid that such a big progress in such a few days will make people suspicious, and I have a second-grade pencil in my hand, which is even more attention-grabbing.

Li Hua reversed the pencil in his hand and waved it towards the equation floating in mid-air, and the eraser behind the pencil flashed silver, and the equation was erased silently.

After thinking for a while, Li Hua decided not to show his strength for the time being, first use the magical power of the iron box to upgrade more magic weapons and medicines, and then sell them for a large number of spirit stones, so as to buy more higher-grade magic weapons and medicines, rely on drugs to improve his cultivation, and use magic weapons to improve his mana.

After such repetition, I believe that it will not be long before Li Hua's strength will be greatly improved.