In the whole Feixing continent, except for the eight hegemonic forces that control Feixing continent, Dan League and the ten forces of jiuselu chamber of Commerce, which controls half of Feixing's wealth, the other forces have no real meaning of Huadan pool. Because the process of setting up a real Huadan pool is too complicated, and there are too few senior array mages in Feixing continent.

The most important thing to arrange the Huadan pool is the array. The higher the rank of the array, the better the effect of Huadan pool. The most advanced Huadan pool can guide the efficacy of pills to 90%, while the relatively poor Huadan pool can only guide the efficacy of pills by 10% to 30%. For example, among the ten forces mentioned by Tang aogang, most of the Huadan pools they owned were created by the same array mage, so their Huadan pools could only pull out about 60% of the power of pills.

In fact, the best Huadan pool in Feixing mainland is not among the ten forces, but in Zhang Zifan's leisure villa. However, Zhang Zifan usually keeps a low profile, and the array mage who helps Zhang Zifan arrange the Huadan pool also doesn't like to publicize. So far, few people in Feixing mainland know that there is a Huadan pool in Xianren villa that can draw 70% or even 80% of the pill's power.

But whether 60% or 70%, 80% of the drug effect is not what Tang Ao wants. Tang Ao's arrangement of Huadan pool, Tang Ao needs the top-level Huadan pool. Although the jade body of Jiulong emperor is powerful and domineering, the consumption of cultivation resources is also a terrible astronomical figure.

If it's just an ordinary warrior, a NINE-STAR top-notch Yangyuan pill can definitely make him go from the first level of cultivation to the Ninth level peak of the forging state, and even break through the Yuanwu realm. But Tang Ao still took the best Yangyuan pill when he was forging the fifth floor of the body state, and he also took two pills. However, Tang Ao's cultivation has only reached the eighth level of forging body state. And even after taking the third best Yangyuan pill, Tang Ao is not sure whether he can break through the Yuanwu realm.

In the refining furnace, the blue flame was burning slowly. The blue flame is not a special flame, but the array gathered in the refining furnace. Although Tang Ao has the nether world fire, and the temperature of the nether world fire is also very high. However, whether refining pills or refining utensils, Youming fire is not very suitable.

Compared with other special flames between heaven and earth, Tang Ao's nether fire is more suitable for attacking. Moreover, according to the emperor of the underworld, the extreme of the nether fire is the imperishable flame, which itself is a kind of fire with strong attack power. So if Tang Ao has a chance, he still has to find a good flame to refine pills and refining utensils.

Tang Ao has refined many array flags, and now refining them is also familiar. In the twinkling of an eye, Tang Ao had twenty-four array flags in his hands. There are not many array flags needed to arrange Huadan pool, but the inscriptions on each array flag are extremely complicated. Tang Ao grabs an array flag and begins to engrave inscriptions on the flag with his soul.

After the engraving, Tang Ao put the array flag in a special position in the Huadan pool. This was repeated until all the twenty-four array flags were placed. Tang Ao was relieved. After the twenty-four array flags were placed, Tang Ao took out two more array flags. After throwing out the two array flags, Tang Ao pinched a special Indian style. At once, the twenty-four array flags flashed a light green luster, and then disappeared.

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