Although the elemental crystal nucleus is more precious than iron ash ore, I don't know how much.

But it is far from being a real scarcity, and it is not comparable to the strange object of the life spirit liquid.

This kind of elemental crystal nucleus, if it is before the revival of the aura, is naturally difficult to be born.

But after the revival of the aura, the spiritual power around the world is rich.

In this case, the original volcanoes, ice fields and other areas are already extreme places, and in this case, spiritual power can easily be converted into elemental power.

However, it is undeniable that these elemental crystals are indeed not easy to obtain.

Originally, volcanoes and ice fields were places like Jedi, and it was difficult for ordinary people to set foot in them.

This situation has become even more dire with the revival of the aura, and it is likely that some terrifying elemental creatures will be born inside.

At least those who are pre-fifth order professionals can't explore inside.

It is precisely for this reason that although the elemental crystallization is not very precious, the price is not too low.

No way.

The difficulty of obtaining it is not low.

But where is this?

Kyoto Safe Zone.

As one of the two richest safe zones in the entire region of China, the market here is fully supplied.

And to store the elemental crystals, you don't have to occupy too much territory like iron ash ore.

Therefore, the transfer of goods is very fast.

Du Hei didn't wait long, and the shopkeeper handed Du Hei a package with a smile.

"The goods are all in there. ”

The boss spoke.

Hundreds of elemental crystal nuclei, it seems, no matter what, it is impossible to fit into such a bag, but Du Hei knows that it is true.

This is a space package, and the size should not be particularly large.

But the price is also definitely above the tens of thousands.

However, Du Hei is the VIP of the store, and sending such a bag is nothing at all.

It's exactly like an ordinary shopping bag before the big break, and it's just given away lightly.

The income that Du Hei brings to the store is really too high.

Carrying the bag, Du Hei thanked him, and had no intention of staying here.

He had, couldn't wait to see how powerful it would be if his skills were strengthened to orange quality.

Didn't go back to the rented warehouse.

Du Hei went straight back to the academy.

In the courtyard, the cat that rubbed over gently was picked up, and Du Hei sat down cross-legged alone at this time.

Soon, he took out all the elemental crystal nuclei in the package.

In front of him, there are piles of elemental crystal nuclei of different colors.

In his eyes, a little anticipation flashed.

"Absorb!"

Control the furnace and absorb all these elemental nuclei into the furnace space.

Next to the original high-level element crystals, crystal nuclei were stacked in order at this moment, just like the appearance of the outside world just now.

"Whew, let's try the water first. ”

Du Hei took a deep breath, did not hesitate, and directly chose the current main battle skill, ready to strengthen it.

Anyway, now that I have upgraded the furnace once, after reaching the advanced furnace, it is not difficult to upgrade back to the purple limit quality again, even if the enhancement fails and drops back to the ordinary white quality, it will consume some iron ash ore at most.

And iron ash ore.

I have to say that the remaining number of Du Hei is extremely exaggerated.

In addition to a full space bracelet, more than a million pieces, in the warehouse, there are more than one million remaining.

After all, after the furnace is upgraded, the consumption rate is indeed greatly reduced.

This extreme reduction in consumption has led to a great change in Duhei's estimation of the number of iron ash ores.

Originally, thinking about it, it was estimated that a lot of iron ash ore resources would have to be accumulated in order to complete the reinforcement.

As a result, after such an upgrade came out, the loss was directly reduced by 80%.

This is not an exaggeration at all.

Before the blue quality, even if you didn't use the double consumption of the guarantee, it was impossible to fail.

After the blue quality, the probability of success is not low at all.

There is a surplus of iron ash ore, and Du Hei is naturally not afraid of failure to strengthen.

At this time, the mind gradually gathered.

Select Enhancement Skills.

Summon the Great Power Demon!

As soon as Du Hei came up, he directly made a big deal.

The most precious dark elemental crystallization is a skill that can be strengthened.

This is what he always has in mind.

What if, just like that?

Everyone doesn't want to be a gambling dog, but in fact, everyone has the potential to gamble on dogs.

The same is true of Duhei.

He always fantasized and fell into his soul.

In the midst of his eyes, in front of Du Hei's eyes, a strengthened panel about skills appeared.

【Summoning the Mighty Demon】

[Skill Introduction]: Summons a demon system, and the giant demon fights for you

[Quality]: Purple limit

[Skill Details]: The summoning Giant Demon enhanced to the purple limit quality will summon a Heroic Giant Demon to fight for you, the Heroic Giant Demon has greater power and has medium intelligence.

[Can it be strengthened]: Yes

[Enhancement Consumption]: 744 Iron Ash Ore, 5 Advanced Elemental Crystals (5 Dark Elemental Crystals)

[Enhancement Success Rate]: 7%

[Strengthened]: ?

[Note]: The quality of the failed item will be reset to zero.

Du Hei was slightly nervous, but soon, gritting his teeth, he made a choice.

Aggrandizement!

You'll have to test the waters.

It's a big profit, and the price is not too big.

It's just that the quality is zero.

Not an exaggeration.

"Strengthen!"

Du Hei silently read in his heart.

The next moment, he saw that the phantom of the furnace in front of him had magnified.

Then, there seemed to be something in my mind, and I ran into it.

Then the furnace started to work.

A huge amount of iron ash ore was frantically turned into energy and began to burn inside.

And in this burning process, the energy of the iron ash ore is constantly injected into this skill.

With the burning of the iron ash ore, the crystallization of the dark elements began to disperse from the crystallization, and finally turned into a touch of dark qi, which also began to wrap the magical things inside.

Du Hei's heart was beating violently at this time.

is completely different from the previous in the warehouse, at this moment, Du Hei has only one voice in his heart.

"Success!"

"Success!"

The cost of strengthening this thing is not comparable to that of iron ash ore.

Five dark elemental crystals at a time, even if it is discounted by eight, one enhancement is 20 million.

Twenty million is a lot of money for a sixth-order professional.

Ordinary sixth-order professionals, all of them have a net worth, and they are only nine figures.

This still includes, your own equipment, and so on.

Not every professional is as rich as Duhei.

Duhi is a special case.

But that doesn't mean he won't feel sorry for money.

After all, this large amount of money, but he didn't do anything every day for six days in a row, treating himself as a puppet, the result of crazy strengthening.