This backpack is also specially made, very fire-resistant, and, when expanded, can be turned into a square backpack with a length and width of three meters.

This thing is said to be a product of the military, and it is not high-end, but it is still practical.

Of course, ordinary backpacks, in addition to large space and wear-resistant, are far worse than Zhang Xiaoyu in terms of fire resistance.

There's no way around it.

When he transforms into a gold eater, his whole body is on fire, and his clothes will be burned to ashes.

Therefore, every time Zhang Xiaoyu goes out, he has to bring many sets of combat uniforms.

An ordinary backpack can hardly withstand the heat of the Gold Eater.

And this special backpack, although expensive, can protect the contents from being burned into ashes.

Usually when transforming, Zhang Xiaoyu can only attach the backpack to his back, and then take it off when the transformation is over.

Thinking of this, Zhang Xiaoyu's mind flashed the matter of the storage ring again.

......

Two days later.

In a forest, Zhang Xiaoyu released his spiritual power and carefully sensed it, holding a map in his hand and checking it from time to time.

According to the information provided by Picheng Dao, the place where the krypton gold vein is located is just east of this forest.

In addition to the towering trees in the forest, there are also some huge rocks.

Walking in the No. 5 area, he was always a little scared, in case a fourth-grade demon beast ran out, Zhang Xiaoyu could only take the road and escape.

In this way, Zhang Xiaoyu walked in the forest for about five hours and stopped again.

"Hey, what is this, a mouse?"

At this moment, in Zhang Xiaoyu's induction, about five hundred meters to the right, there were a bunch of demon beasts.

The reason why Zhang Xiaoyu stopped was not because he was curious about what kind of breed these demon beasts were.

In his induction, this demon beast was very small, only more than thirty centimeters.

What the spiritual power induces is qi and blood, and of course, the projection on the demon beast is the so-called demon spirit power.

The distribution of demon spirit power can also roughly sense the body shape of this demon beast, and the huge demon beast, the projection formed by the demon spirit power will be very large, and vice versa.

The number of this pile of demon beasts is about fifty, and there is not much difference in body shape.

And what made Zhang Xiaoyu most curious was that among such a bunch of demon beasts, there was actually a demon beast that had reached the level of the beast emperor.

It's kind of incredible.

Generally speaking, even if an animal like a mouse is affected by the revival of aura, it is difficult for it to evolve into a demon beast because of its own bloodline.

And among this nest of demon beasts suspected of being mice, there is actually a beast emperor-level demon beast, which is incredible.

Without thinking much about it, driven by curiosity, Zhang Xiaoyu followed the direction in the induction and quickly moved to the right.

Because he was worried about making a sound, this time, Zhang Xiaoyu slowed down very slowly.

A moment later, Zhang Xiaoyu stood in front of a huge mountain rock, and a strange color flashed in his eyes.

It is an irregular triangular rock, about 100 meters high and nearly 300 meters wide.

On the rocks, there are many fist-sized holes, densely packed, and at first glance, people don't feel a little disgusting.

"Is the monster in the rocks?"

Zhang Xiaoyu muttered to himself, even more confused.

In his perception, dozens of demon beasts are hidden in this mountain rock, although rats can make holes, but it is not so easy to let them penetrate the mountain rocks.

If it's an ant, it doesn't make sense.

An ant as big as a mouse is terrifying to think about.

Zhang Xiaoyu shivered and rubbed his back unconsciously.

"Whatever it is, just open it and take a look. ”

With this thought in his heart, Zhang Xiaoyu no longer speculated, since he was sure that there was only one beast emperor-level demon beast inside, it was not difficult to kill this demon beast.

The spiritual power was released, and four A-grade kryptonite flying knives were levitated.

Break.

Zhang Xiaoyu let out a low cry in his mouth, and then, the four kryptonite flying knives turned into four golden streamers, and instantly appeared in front of the mountain stone.

Boom, boom, boom.

The explosions sounded one after another, and the huge mountain rock was blasted out of a gap about two meters in diameter in an instant.

Rubble flew, and then, a squeaky sound came from inside the gap, and a large group of demon beasts appeared in Zhang Xiaoyu's eyes.

"Gold Eater?"

Zhang Xiaoyu's eyes flashed with a different color, and then he became excited.

These demon beasts in front of them are about thirty centimeters long, and they are covered in gold, and the most obvious thing is the two front teeth in their mouths.

This kind of demon beast is also a rare demon beast.

Although the name is Gold Eater Rat, in fact, this demon beast has no connection with rats.

The reason why they are called gold eaters, in addition to their appearance is too similar to rats, another reason is that gold eaters are one of the few monsters that use kryptonite veins as their only food.

This kind of demon beast, except for kryptonite and some other metallic ore veins, does not eat anything else at all.

In other words, where there are gold-devouring rats, there must be krypton-gold veins.

These thoughts flashed through Zhang Xiaoyu's mind.

Among the rocks, the gold-devouring rat was completely angry.

Damn alien species, we are listening to the king's teachings, and suddenly they run out to disturb our good deeds, Taitmo bullies the demon.

Squeak squeak.

Accompanied by bursts of noisy screams, dozens of gold-devouring rats instantly burst out of the rocks and flew towards Zhang Xiaoyu.

Of course, it may be a bit inappropriate to say flying, but when these gold-devouring rats jump, they can also jump more than ten meters high, which is no different from flying at the moment.

Zhang Xiaoyu's eyes were cold, and he was not verbose, the power of qi and blood gathered, and he punched out.

Boom.

A low sonic boom sounded again.

The fastest flying dozen gold-devouring rats were directly blasted away by Zhang Xiaoyu's punch, smashed into the mountain rocks, and fell to the ground.

Squeak squeak.

In the forest, the gold-eater rat was completely enraged.

And those gold-devouring rats that were blown away by Zhang Xiaoyu's punch did not die at this moment, but got up, and the fierce light flashed in their little eyes, and flew towards Zhang Xiaoyu again.

Its form was still in the air, and the two fangs in its mouth shimmered with a cold light.

"Damn, what a perverted defense. ”

Zhang Xiaoyu's complexion changed drastically.

He really didn't expect that the defense of this gold-devouring rat would be so perverted.

His punch just now seemed random, but in fact, it also gathered more than a thousand qi and blood power.

With such a powerful power of qi and blood, if it were against other beast-level demon beasts, they would have been bombarded into powder a long time ago, and these gold-devouring rats were actually intact.

In this moment of stunnedness, in the mountains and rocks, the squeaky sound sounded again.

Then, a large group of gold-devouring rats covered in gold flew out from the rocks and flew towards Zhang Xiaoyu.

"Holy, this Temmo. ”

At this moment, Zhang Xiaoyu could no longer hide the horror in his heart.

In just a short period of time, at least a thousand gold-devouring rats flew out of the rocks.