"By the way, Xiaotian, what kind of spiritual materials are needed for the rune sword you want to build, you and I still need to choose it yourself. Pen ~ Fun ~ Pavilion www.biquge.info"

For Mu Xiao Astronomy Jingxin and the like, as long as there is a request, it must be fully satisfied, and what is wanted. is not for their identity and status, but for how many treasures they have brought back for the sect over the years, and they must try their best to satisfy them.

The spiritual materials of the Xuan Ling Sect are under the control of the Refining Instrument Hall, and the spiritual materials below the treasure level are stored in an underground secret room of the Refining Instrument Hall. The one above the treasure level was stored in a secret place in Xuanling Peak. Treasure level spiritual materials, that is a heavy thing, any force will be stored by gravity, even if it is taken out and used, it needs to be approved by the Dao Monarch.

Since Mu Aoguang had decided to create a treasure-level rune sword for Mu Xiaotian, he needed to use treasure-level spiritual materials.

The most important thing in Xuanling Sect is the three major treasury halls, all of which are guarded by Dao monarchs and powerhouses. One is the place of inheritance, which is located in a secret room in the apse of the Xuanling Palace, which is the most important place, which not only contains the inheritance of the heart exercises, but also contains too many secrets of the Xuanling Sect. The rest are the two major resource libraries, the treasure level spirit material library and the elixir library.

Mu Aoguang put away the jade slips and spirit void runes prepared by Mu Xiaotian, and then took him out of Mu Ling Mountain and rushed to the spirit material library. As the master of the Refining Hall, he still has the qualifications to enter and exit the spiritual material library.

In the past, if you needed to use treasure-level spiritual materials to refine weapons, you had to apply to the Daojun strong first, and only after obtaining permission could you enter the spiritual material library to extract them.

Now sitting in the spiritual material library is the most famous Ma Fuyang Daojun general of Xuanling Sect in Beihai, and now he is already a mid-stage Daojun cultivator. Mu Aoguang had already transmitted the message to Ma Fuyang Daojun, and he thought that Daojun would agree.

Still halfway through, he received Ma Fuyang's permission to transmit the sound, and at the same time, a wooden token came from the void, with a word engraved on it. This is the peer token of the spiritual material library, and there is only one piece, which has always been in the hands of the town guard Daojun.

The spiritual material library is in the middle of the mountain. After Mu Aoguang came to a mountain forest, he typed out the token and recited the mantra silently. Suddenly, he pointed his finger at the token, and at the same time shouted a word, "Crack." ”

Suddenly, the mountain cracked, and a crack formed, which grew bigger and bigger. Mu Xiaotian jumped in with Mu Aoguang, and then the crack disappeared and returned to its original state.

In the treasure house, it is divided into many small secret rooms to classify the spiritual materials. The treasure house of spiritual materials is still dominated by treasure levels. There are some Dao level gods, most of which are related to Mu Xiaotian.

Mu Aoguang knew a lot about the treasure house of spiritual materials, and slowly explained: "This sect now has a lot of types of treasure-level spiritual objects, and the treasure-level spiritual materials abundant in Beihai are still relatively complete. Xiaotian, I think you are practicing the way of thunder and fire, do you need to use thunder and fire attribute spiritual materials to build weapons. ”

"Fire-attribute spiritual materials are common, but there are not many thunder-attribute spiritual materials, and it is rare that this sect also has treasure-level thunder-attribute spiritual materials. ”

"Hehe...... Mu Aoguang suddenly laughed for a while, "Xiaotian, have you forgotten that there wasn't a volcano erupting near Huangtong Island in the first place? ”

"Oh, yes, how did I forget about it. Mu Xiaotian slapped his head, "Uncle, how is that volcano now?" ”

"The volcano originally erupted and erupted magma, but it was slowly subsided again after being transferred by Senior Brother Yue Feng, and you scavenged for a lot of spiritual flames inside. However, the area of Huangtong Island has increased a lot. The thunder blue stone was also collected by his father and Wen Bo. The power of thunder and lightning seems to come from the depths, because the thunder is so strong that his father and Wenbo also stop there. In the future, if you are a great cultivator, you can go in and investigate and find out the source of the thunder and lightning. ”

However, every spiritual thing must have a source of spiritual power when it is conceived, just as spiritual flames are often conceived in volcanic fire veins. The Thunder Light Flame is bred by the volcano and the mid-grade Thunder Blue Stone, but the Thunder Power of the Thunder Blue Stone should still be the source of thunder and lightning in the depths.

Seeing that Mu Xiaotian was very interested in the Thunder Blue Stone, Mu Aoguang took him to the secret room where the Thunder Blue Stone was stored. This secret room is guarded by a magic circle, and the power of this guardianship is to seal the spiritual power of the thunder blue stone and the power of thunder. One view of the array must have been made by the formation master, and the grade had reached the peak law level.

The volume of thunder blue stone is one zhang long, wide and high, the grade is very high, and the volume is large, and its value is very large. Looking at the outline of the thunder blue stone, there is a small part of the traces of being chiseled, and a small part should be taken out and used.

Mu Aoguang's eyes also looked at the chiseled traces, and explained: "Yan Tian said that he wanted to add the power of thunder to the formation, so Uncle Xian and Uncle Xian took out a part of the thunder blue stone and integrated it into the formation base, and the thunder was too domineering, so it could only be slowly fused. ”

Mu Xiaotian nodded slightly, and said, "The Thunder Blue Stone is under the volcano, and it not only contains the power of thunder, but also the power of flames, which is also the reason why Flame Sky wants to fuse the Thunder Blue Stone." Thunder Fire is in line with his nephew's practice, and if he uses Thunder Blue Stone to build a rune sword, it is very handy. However, the domineering power of Lei Lanshi will destroy the spirit void rune. ”

"Although your arrogant uncle's refining level has reached the realm of a grandmaster, you have only used two low-grade spiritual materials to create two hundred and two low-grade treasures. If you use the Thunder Blue Stone to fuse the Spirit Void Rune, I'm afraid it will be very difficult, and the chance is very small. If you really want to complete the talisman sword you requested, you can only let your father make a move. ”

For the true monarch cultivator, the means will inevitably be limited by the cultivation realm. Although Mu Aoyu is very talented, he has surpassed the average refining master, and it is somewhat possible to integrate into the Spirit Void Rune, but the failure rate is also very high. And Mu Xiaotian also prepared thirty-six spiritual void runes, and integrated them into them, maybe only a few had a success rate.

"Grandfather is now at a critical moment, and he can't be disturbed for a few years, so forget it! Uncle Proud of his talent for refining weapons, he will bother him to make a move. It's a big deal that my nephew drew some more spiritual void runes, so that my uncle could try more. ”

"It's okay to do this, and it can also make the Proud Junior Brother's refining methods more sophisticated. So, Xiaotian, you have chosen the Thunder Blue Stone to build your rune sword!"

"Just use the Thunder Blue Stone! It is in line with the nephew's cultivation attributes, and it can be used to increase when used. Mu Xiaotian nodded and replied.

"I'll go and apply to Uncle Fuyang for this matter, Xiaotian, you should prepare the Spirit Void Rune first! After all, your Proud Uncle Reputation's level is limited, at least five or six of each Spirit Void Rune must be prepared. ”

So many Spirit Void Runes were also difficult for the Rune Sect Master's Mu Xiaotian. After coming out of the treasure house directly, he returned to the cave. A few days of retreat were used to prepare the Spiritual Void Rune. And the Thunder Blue Stone was also ready, and five days later, Mu Xiaotian sent the Spirit Void Rune to the Refining Hall. At this time, Mu Aoyu also returned, and directly agreed to the refining. Refining a treasure weapon is also very rare for a refining master, Mu Aoyu has already planned it, and he needs to create a third treasure weapon to improve his refining level before breaking through the bottleneck in the retreat.

Mu Aoyu returned, bringing back the good news that Mu Aotian had successfully crossed the catastrophe and became a king. At this point, Mu Xiaotian was also completely relieved, knowing that his father was in retreat and cultivating steadily, so he didn't bother. At this time, Wen Linguang was also out of the customs.