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Touching his heart, a smile appeared at the corner of Han Feng's mouth.

The seventh layer of the Nine Flames Heavenly Fire Tower, but it is a storage space, which can store anything, including living objects, but unfortunately the level required is relatively high, and at the first level at the beginning, it is no different from ordinary storage devices.

According to the inherited memories, once the seventh layer of storage space is opened, there are hundreds of cubic meters of space on the first level alone.

"Once I've refined the source liquid, I can open the seventh layer of storage space. Han Feng said secretly in his heart.

......

Han Tiancheng pointed to the dozens of lower-grade spirit stones on the table.

"These are the spirit stones I have left so far, if you want, you can take them all. ”

Han Feng hurriedly said: "No, it's enough to take a few, otherwise how can my father cultivate." ”

Han Tiancheng sighed and shook his head: "These low-grade spirit stones, the purity is below ten percent, I am now a four-star human rank, at least I need a low-grade medium-grade spirit stone to steadily improve, if you want to have a relatively large improvement, at least a low-grade high-grade spirit stone." ”

"But such spirit stones, not to mention our Han family, are the whole people in the city, and there are not many of them. ”

"As for the spirit stone of the lower grade medium range, although our Han family has it, how can I be qualified for it as a sinner. ”

Han Feng was silent.

Han Tiancheng touched Han Feng's head and said with a smile: "Don't feel sorry for your father, it's because my father doesn't want to use those spirit stones to cultivate, otherwise your three uncles would have secretly sent them to me a long time ago." ”

Hearing this, Han Feng let out a sigh of relief, a lot more relaxed, as long as it wasn't specifically aimed at his father.

Han Feng is not unclear about his father's own initiative, otherwise he would have been so ordinary in the face of the three uncles and Han Lin and other cousins, and he would have been resentful for a long time.

No matter how cowardly his father is, he is also his father.

......

Han Feng stepped forward and probed these spirit stones, and soon, Han Feng frowned.

At this stage at the beginning of the mortal stage, it is impossible to refine and absorb the spiritual power in the spirit stone, and naturally it is impossible to sense the purity of the spirit stone.

The purity of the spirit stone is also reflected in the color There is also a gap, but it is quite obvious to see the difference between the five grades of inferior, medium, superior, superior and top, and between the same grade, the gap is not large, it is difficult to see.

The spirit stones placed by Han Tiancheng are all low-grade spirit stones, and the difference is not big, and Han Feng can't tell them apart just by their color.

Han Tiancheng saw Han Feng frowning, and couldn't help asking, "But what's the problem?"

Han Feng smiled bitterly: "Father, can you pick out some low-grade spirit stones for me that are at the three levels of one percent, two percent, and three percent purity?"

Han Tiancheng said: "Must have such a low purity? You must know that such a low-purity low-grade spirit stone has almost no spiritual power, even if a thousand low-grade spirit stones with a purity of one percent are refined by me, it will not be enhanced in the slightest." ”

Han Feng insisted: "As long as these three levels!"

Han Tiancheng was helpless and picked out eight: "One of them is one percent purity, five are two percent purity, and three are three percent purity, for you." ”

Han Feng took it with a happy face: "Father, I'm leaving." ”

......

In Han Feng's room, Han Feng dodged and came to the first floor of the Nine Flames Heavenly Fire Tower.

"It's finally time to use you. ”

Han Feng sat cross-legged and threw a low-grade spirit stone of one percent purity into the Ten Thousand Things Melting Flame Ding.

Han Feng muttered to himself at this moment: "Martial arts cultivation, having spirit stones can save a lot of hard work, but even so, it will still waste a lot of spiritual power in spirit stones." ”

"According to what I have observed in the Han Family Library Pavilion over the years, the higher the exercises, the greater the utilization rate that can absorb spirit stones, and conversely, the lower the exercises, the lower the utilization rate of absorbing spirit stones. ”

"The low-grade exercises of the human level, corresponding to the low-grade spirit stones, can only be effectively used about fifty percent, that is to say, half of the spiritual power in the spirit stones will be consumed. ”

"The middle-grade exercises of the human rank, corresponding to the lower-grade spirit stones, can only be effectively used by sixty-five percent. ”

"The high-grade exercises of the human level correspond to the low-grade spirit stones, and they can only be effectively used eighty percent. ”

"The human-level supreme exercises, corresponding to the low-grade spirit stones, can only be effectively used ninety-five percent. ”

"Among them, according to the level of cultivation of the refiner itself, the effective utilization percentage also fluctuates. ”

"Take my father as an example, if he cultivates to reach the human level of four stars, he cultivates a rare human level of the Han family, and the effective use of the percentage is only about seventy-five percent, less than eighty percent, if his father cultivates to reach the human level of seven stars, he can reach eighty, and if he exceeds nine stars, he can be as high as eighty-five. ”

"Originally, with my cultivation and the cultivation exercises, it was impossible to refine the energy in the spirit stone, but with the melting of all things, this qiē is not a problem. ”

"Even the source liquid of the refining of the Melting Flame Ding of All Things was absorbed by me, which was completely equivalent to 100% effective use, without the slightest waste. ”

took out a low-grade inferior spirit stone with a purity of one percent, and Han Feng threw it into the All Things Melting Yan Ding, and then Han Feng sealed his hands and shouted in a low voice: "All Things Melting Yan Ding, get up!"

Bang!

The All Things Melting Flame Ding let out a vibration, and immediately floated in the air, and the Dao Dao Brilliance burst out from all around the Body of the All Things Melting Yan Ding.

"The first layer of the Nine Flames Alien Fire Technique-Mortal Fire Refining!!"

Crash!

A fist-sized red flame appeared beneath the Melting Flame Peak, and a blazing temperature suddenly rose.

Han Feng gritted his teeth: "It's not enough, refine it for me!!"

With the vigorous consumption of internal energy in the body, the red fireball suddenly doubled.

All things melt into the Yan Ding, and the inferior spirit stones have gradually changed, starting from solid to liquid.

Time passed gradually, and soon it was early in the morning.

Han Feng wiped the sweat stains on his forehead with a pale face, opened the top cover of the melting flame of all things, and his eyelids twitched.

A low-grade inferior spirit stone with a purity of one percent is the size of a fist, but now it has been refined into a source liquid, and it is only a small mouthful.

Han Feng took out the cyan jade cup placed somewhere on the first layer and placed the source liquid into it, this cyan jade cup was to prevent the energy of the source liquid from dissipating, in addition to the cyan jade cup, there were also cyan jade bowls and other jade objects with large storage capacity, all of which were automatically generated by the Nine Flame Heavenly Fire Tower, and they were inexhaustible.

Picking up the jade cup, Han Feng whispered to himself: "Such a small bite, I don't know what Cheng dù will make me improve?"

After swallowing it, Han Feng's face suddenly changed, and he immediately sat cross-legged!

......

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