A large number of fiery falls smashed down, although they couldn't break through the defense, but the golden lizards that smashed were very angry, and attacked even more frantically.

A pool of red lava emerged from the ground, soaking both the heptel and the golden lizard, heating them constantly. Although the temperature was not high at first, the heat continued to accumulate.

In order to raise the temperature higher, Du Feng cast the Feng Clan's immortal fire again. The advantage of this phoenix clan's immortal fire is that its power continues to increase with the growth of cultivation. I thought that the power was similar to that of a spark at the beginning, but now it is completely different.

Du Feng, who was at the level of an immortal monarch, cast the immortal fire of the Feng clan, and the ground around him turned red, and the pile of Gengjin also became hot.

If the golden lizard is still awake, it is estimated that it will choose to run away in such a hot situation. But now it has been poisoned by the peacock feather, and it is delirious and thinks that there are enemies all around, so it is still there desperately attacking with its tongue. But every time he attacked, he hit the pile of gold.

The heptane pile is so strong, in fact, its tongue can be broken, at most poke up some powder.

"Poke well, poke more down. ”

Seeing the golden lizard desperately attacking Gengjindui, Du Feng was in a good mood. Because in this case, you can have more heptane powder. The heap of gold was too hard and too big for the Dragon Sword to absorb directly. The golden lizard poked off the powder, which was just right for the dragon sword to use, so as not to grind it bit by bit.

"Hiss ......"

This frantic attack lasted for about half an hour, and the golden lizard let out a painful hiss. Its physical strength has been exhausted, and its internal organs are a little unable to hold on. I have to say that this beast is really powerful, it was roasted by the immortal fire of the Feng clan for half an hour, and it actually hurt its internal organs.

If you use a weapon, it's really hard to kill it.

In the end, the golden lizard was unwilling to lie on the Gengjin pile, hugging its limbs tightly on it, as if guarding its own treasure, and was reluctant to leave the Gengjin pile temporarily.

It is strong because of this pile of heptane, because with a sufficient amount of heptane, its skin becomes tough and its tongue becomes sharp. But its death is also because of this pile of heptane, because it is reluctant to leave this place, so it is continuously baked by high temperatures. If you run away early, why take your little life.

This beast is really persistent!

Du Feng shook his head, and then sprinkled a piece of ice mist to quickly cool down the Gengjin pile. This extremely hot to sudden cold treatment can also make the heptane gold pile loosen a little, so as not to be too difficult to get for a while.

When the temperature dropped, Du Feng walked closer with the dragon sword. Pick up the corpse of the golden lizard first, and then throw it into the small world of necklaces. As soon as he threw it in, he was happily eaten by the skeleton warriors.

The golden lizard is a meta-beast, and its corpse is a good thing in itself. Moreover, the bones also contain a certain amount of heptane gold that can be absorbed. This is definitely a good thing for a skeleton warrior. After eating the carcass of the golden lizard, it had a faint layer of gold on its body.

Unconsciously, the direction of the skeleton warrior's cultivation has quietly changed, and it is not just as simple as absorbing demonic energy and devouring bones. The Yuan Force in the Yuan Beast's body was obviously a higher level of energy than the Demonic Qi.

Du Feng held the dragon sword in his hand, constantly grinding the fine powder that burst down on the pile of Gengjin. I saw some small golden things, which gradually merged into the sword body. The dragon sword has changed from a top-grade immortal weapon to a low-grade innate immortal weapon. and from a low-grade innate immortal weapon to a medium-grade innate immortal weapon.

Thanks to the crazy attack of the golden lizard, if he wanted to get down so much heptane gold powder, it would have to take a lot of effort.

"Master, I still want it!"

The second-order Gengjin is such a good thing, and the Dragon Sword has obviously not absorbed it. But the ready-made powder is gone, and if you want to absorb it, you can only pick it up yourself. With the current hardness of the dragon sword, it can't be moved at all.

What to do, of course, Du Feng has to do such hard work. Whether it is the dragon sword that needs heptogen powder, or the blood breaking flying sword that wants to be repaired and upgraded, it is all inseparable from this thing.

He thought of a fairly good method, which was to use the golden scales to grind the gold pile. Although the golden scales are not enough to break the heap of gold, they can be ground down little by little. Each of his hands formed a round golden scale, and then began to spin at high speed.

"Zizi Zi ......"

The high-speed spinning golden scales cut into the heptyl gold pile, making a screeching sound. The golden scales, on the other hand, are being consumed at a rate visible to the naked eye. After all, the density and hardness of the two are different, and the high-speed collision must be the one with less hardness that consumes quickly.

But it doesn't matter, Du Feng's golden scales can continue to grow. As long as enough Yuan Force is provided, the golden scales will never disappear.

As the golden scales continued to rotate, some heptyl gold powder slowly burst down, but the swordsman in the Dragon Sword was very happy. Because every small grain of heptane, even if it is as small as dust, it is still a treasure.

In this way, Du Feng continued to grind down, and the dragon sword continued to absorb. Its grade was slowly upgraded from a middle-grade innate immortal weapon to a high-grade innate immortal weapon, and then with a high-grade innate immortal weapon, it was upgraded to a top-grade innate immortal weapon.

At this point, it can't be raised any further. Because if it is further promoted, it will be the category of Lingbao, and Du Feng will not be able to control it at all. No matter how powerful a sword is, if the owner can't use it, it's in vain.

Although the Chenglong Sword was no longer absorbed, Du Feng was still rubbing and cutting the Gengjin pile not far away. It wasn't until he cut off a small horn sticking out of the pile of gold that he wouldn't stop. It's so busy that it's dark now, and the yuan power on his body is not light.

Du Feng put away the piece of Gengjin that he had cut off, and then planned to leave here and continue walking inside.

"Master, don't you want so much Gengjin?"

The swordsman felt a little incredible, you must know that Gengjin is a treasure, and the second-order Gengjin is even more precious. Even if you can't absorb it, you can sell it for money. A little bit of powder is before, how much is it worth to have such a large amount.

"You can't be insatiable, I'll take these enough. ”

Obviously, a lot of wealth was placed there, and Du Feng was really willing to leave. The small piece he cut was enough for the later stage of the Dragon Sword and the Blood Breaking Flying Sword, and there was still a certain amount leftover. As for the rest of the pile of heptogold, it was too hard to cut it down, and it was not necessary.

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