After sending Mimi away, Hu Feng returned to Xiaorou's residence.

Now that he has reached the fetal transformation stage, the reserve of spiritual energy is ten times that of the fetal period. But he is not very familiar with the use of spiritual power, and the first claw has only reached a small level, which needs to be further refined. Presumably, Cui Lian's speed will increase a lot.

"Refining the first claw is also a good way to exercise spiritual power. Hu Feng did it when he thought of it.

He took out the inky black rock he had obtained from Xu Xun from the storage space and observed it carefully.

"I don't know what kind of rock it is, but it contains a lot of metallic breath in the middle, which is definitely helpful for me to temper my first claw. In fact, Hu Feng found out about this at that time, so he entrusted Xu Xun to inquire and find it, and I don't know if there is any news.

Hu Feng took the rock, used the refining technique, absorbed the metal energy in the rock, and after integrating it into the index finger of his right hand, he quickly tempered it with spiritual power.

After reaching the stage of fetal transformation, the speed of spiritual power delivery is indeed much faster than before, and the amount can also be increased. The inhaled metal energy is quickly fused with the nails.

The nails glow with fluorescence and slowly move from the tips of the fingers to the base of the fingers, refining the parts that have not been fused and tempered before.

A day passed quickly, and Hu Feng's spiritual power was consumed twice, but the metal energy in the rock had not been consumed much.

"What kind of rock is this, and why is there so much metal energy in it?" Hu Feng was a little surprised. Even a drop of the energy of the 10,000-year-old stone milk can be absorbed by itself in a day, and this metal energy has been absorbed by itself for a day, and it is not much less.

Hu Feng stopped refining, looked at his index finger, and found that starting from the nail, the fluorescence had moved up about a millimeter.

"What kind of energy is this, and how does it work so well. It's much better than simply using your own spiritual power to refine the effect, you can grow by one millimeter a day, according to this calculation, as long as you can cover the entire index finger in ten days, the index finger will reach the level of a medium-grade magic weapon. "How amazing this is!

The energy of the rock, judging from the consumption, is enough to last ten days. "Don't care about anything else, drain the energy of the rock, and refine the index finger into a medium-grade magic weapon. Hu Feng saw the tremendous effect of the rock energy, and immediately tempered it again.

Eleven days later, all the energy of the rock was exhausted, and the entire index finger of Hu Feng's right hand was covered by fluorescence as he wished, which meant that the entire index finger had become a medium-grade magic weapon.

With this index finger, Hu Feng can completely kill the demon beasts in the middle stage of fetal transformation, and he will not be too embarrassed to defeat those in the late stage of fetal transformation. If he reaches the level of the top-grade magic weapon, Hu Feng can challenge the late stage of fetal transformation, and when he reaches the level of the best magic weapon, he can cross the level of challenge. What a temptation this must be!

"It's a pity! The rock energy is exhausted, or I will quench my entire index finger into a high-grade magic weapon in one go. Hu Feng thought excitedly.

In the past few days, Hu Feng has not quenched the first claw again. Relying on one's own spiritual power to refine is too slow, and people who fly by are no longer used to the speed of bicycles. simply didn't practice, and took a few days to spend a few days with Xiaorou.

In the past ten days, he has patronized his cultivation, but he has neglected Xiaorou. Xiaorou is really understanding, not only did she not complain at all, but she never stopped eating three meals a day.

Her own cultivation has not fallen, and when Hu Feng was cultivating, she was also lying not far away drinking the 10,000-year-old stone milk and cultivating.

This girl's natural posture is really good, only ten days later, from the late stage of fetal transformation, to the peak of the late stage, at any time may break the shackles and break through to the condensation stage. It's not much slower than yourself, of course, this is indispensable to the effect of 10,000-year-old stone milk.

On this day, Hu Feng was gossiping with Xiaorou. A rat soldier ran quickly outside: "Miss Report, Master Xu Xun Xu has arrived, looking for Lord Hu Feng, saying that there is news of some rocks." ”

"Where is he? Take me there. As soon as Hu Feng heard that Xu had found it, he hurriedly asked without waiting for Xiaorou to speak.

"He is waiting in the living room, please come with me. The rat soldier replied to Hu Feng's words with awe. All the rat soldiers knew that Hu Feng was the future of their rat clan, and he was likely to be the king of their rat clan in the future, how dare they not be full of awe.

"Little Brother Hu, long time no see, how are you doing lately?" Xu Xun saw that as soon as Hu Feng entered the door, he hurriedly got up to greet him. This shows Hu Feng's status in his heart.

"How dare the labor master come over in person to deliver the news, Hu Feng really doesn't dare to do it. Hu Feng said politely.

"I know that this rock is very important to the little brother, and I am afraid that those fools have mistaken the little brother's business, so I have come to tell you. Xu Xun said.

"Thank you so much, sir. Tell me, there are no rocks like that, and where have you found them?" Hu Feng asked eagerly.

"Little brother, don't be in a hurry, and listen to me slowly. Xu Xun said with a smile.

When the old fox saw that Hu Feng was so eager, he knew that the information of the rock was very important to Hu Feng, and he had done it, and Hu Feng owed himself a great favor.

"This rock was discovered by a team leader of my Intelligence Department in a Grand Canyon in the eastern part of the Underworld. At that time, a total of two pieces were found, and it was another piece. As he spoke, he handed a rock of the same color to Hu Feng.

Hu Feng took the rock and felt the breath of this rock carefully. It is true that it is the same rock as the previous one, but the metal energy contained in it is not as abundant as the previous one. It seems, though it's the same kind of rock. But the quality is not the same.

"What kind of rock is this rock?" Hu Feng asked.

"I searched for this rock in many ways in the classics of the rat clan, and finally found the name and characteristics in a book called "Encyclopedia of Minerals". Xu Xun said proudly.

"Don't sell it, talk about it quickly. Hu Feng was a little impatient.

Xu Xun was also more knowledgeable, and when he saw that Hu Feng was impatient, he hurriedly said: "This kind of ore is called the Spirit Devouring Stone, which can automatically absorb all kinds of spiritual energy. If you don't absorb the aura, it's just an ordinary rock. There is nothing special about it from the outside. ”

Hu Feng took out the first rock that had been drained of his energy and lightly scratched it with his fingers. He didn't dare to use too much force, he knew how powerful his fingers were.

I saw a shallow scratch on the rock. Hu Feng remembers that when he first paddled, he couldn't leave any traces, but now he can.

"Yes, you should have discovered that after the aura in this fast devouring spirit stone was sucked dry by you, its nature also changed. Xu Xun saw Hu Feng gesturing there and knew that he had discovered the secret of the rock.

It is speculated that the reason why this rock is so hard must be because it has absorbed the metallicity of the five elements. There may be some metallic treasure or spiritual vein in the place where the rock was found. Xu Xun analyzed.

Hu Feng listened and analyzed silently.

"Tell me the exact address of that place, and I'll take a look. Even if you can't find any treasures or spiritual veins, it would be nice if you could find a few more rocks like this. Hu Feng asked about the specific location.

"Here's a detailed map of that place, I knew you were going to go. The captain drew a copy. Xu Xun handed over a map drawn in animal skin.

Hu Feng took the map, the map was drawn more clearly, and the locations were also marked in detail. You should be able to find the right spot by following this map.

"Thank you very much, your Excellency has thought it through. This map has helped me a lot, so please thank the captain on my behalf. Hu Feng sincerely thanked.

"Little brother, don't be too polite, by the way, this is the "Mineral Encyclopedia", I will give you a copy of the rubbing of the classics, this one, I hope it will help you. Xu Xun said no, and handed over the "Mineral Encyclopedia".

"My lord, I won't say more if I thank you, no matter if I can find the rock this time, I will keep your love in my heart. In the future, if you can find me a place, you can look at it. Hu Feng said.

"Where, little brother, you are too polite!" Xu Xun heard Hu Feng say that his heart had gone up, and his face bloomed.

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