Mu Hengyuan once again explained to Mi Xiaojing about the Fire Spirit Formation in the Alchemy Hall, which was used to control the fire of the Pill Cauldron. With Mi Xiaojing's cultivation level, he could barely mobilize it, but for truly meticulous control, Mu Hengyuan's help was still needed.

Mi Xiaojing stood at the main alchemy position, with Mu Hengyuan standing at an auxiliary position. At this moment, Yu Hong tossed out a jade pendant, saying, "Wear it on your belt, it can insulate heat."

Mu Hengyuan nodded and said, "Put it on. I'll adjust the temperature of the earth fire. Your cultivation level can't withstand this temperature."

Mi Xiaojing had been worried about this issue, but he didn't expect Yu Hong to provide a defensive artifact directly. This jade pendant didn't require a magical technique to activate. As long as the temperature rose to a certain level, its defense would automatically activate. It was a pretty good treasure for assisting in alchemy.

Without saying thanks, Mi Xiaojing tied the jade pendant to his belt and then began to activate the fire control formation.

Since everyone present was a cultivator in the Elemental Infant stage with profound cultivation levels, the heat insulation formation outside the Pill Furnace was not activated. This level of heat was not a threat to Elemental Infant stage cultivators at all.

With Mu Hengyuan's assistance, the fire control formation was activated instantly. The entire ground lit up, countless spirit patterns flickered, and it seemed as if countless fire snakes were extending on the ground.

Only about ten seconds passed, and the surrounding temperature began to rise rapidly. Mi Xiaojing was very clear about the abnormality of the earth fire temperature, so he quickly covered his body with the power of the Starry Sky.

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Before Mi Xiaojing couldn't bear it, the defense of the jade pendant was activated. A greenish cover enveloped him, instantly isolating the heat wave. If a Qi Refining cultivator were here, they would be roasted alive, unable to resist at all.

Mi Xiaojing's alchemy technique came from Wang Weijun's inheritance. His methods were still quite far from those recorded in the Ancient Tribulation Pill Scripture. If he used the methods in the Ancient Tribulation Pill Scripture, the refining of the Nurturing Infant Pill would be much simpler.

Mi Xiaojing didn't understand this method, but Wang Weijun could understand some of it. When he explained it to him, Mi Xiaojing was filled with emotion.

Mi Xiaojing began to control the fire control formation, with Mu Hengyuan assisting on the side. At this time, the gap in their cultivation levels was evident. Mu Hengyuan sat directly on the ground, while Mi Xiaojing had to stand, even with the defense provided by the jade pendant, he didn't dare to sit down.

As the earth fire rose, the spirit patterns on the gourd-shaped Pill Cauldron also began to flicker. The preheating of the Pill Cauldron was quickly completed by the two of them.

The entire cave was filled with flickering red light, heat waves surged, and the air became distorted due to the heat flow. The booming sound of the earth fire was deafening. The fire control formation was running at full power, and the temperature of the earth fire flames doubled. Mi Xiaojing felt a sense of fear.

He cast one magical technique after another. As the magical techniques were cast, the incantations followed. Mu Hengyuan watched Mi Xiaojing nervously. He had to seamlessly connect before Mi Xiaojing lost control. There could be no negligence. If he couldn't continue, all the previous efforts would be wasted.

For their first cooperation, since both of them were fully focused, there were no problems. Mi Xiaojing finally began to put in the materials and started the complex preliminary preparations. The materials in the Pill Cauldron also underwent a purification process. This process was not completed by the flames, but by the spirit patterns in the Pill Cauldron.

This process was quite complicated. Not only did Mi Xiaojing need to control it through magical techniques and incantations, but he also needed to adjust it with his Divine Sense and the power of the Starry Sky. In just a short while, Mi Xiaojing felt overwhelmed.

At this point, Mu Hengyuan had to take over. Mi Xiaojing shouted, "Good!" This was the signal they had agreed upon. Once Mi Xiaojing said "good", Mu Hengyuan would immediately take over.

Mi Xiaojing stood to recover his Starry Sky power. The Spiritual Qi here was quite dense. Unfortunately, Mi Xiaojing couldn't use Spiritual Qi for cultivation. On the surface, he held a Spirit Stone in his hand, but in reality, he was absorbing starlight.

Mi Xiaojing managed to deceive everyone present with this move. Yu Hong and the others didn't realize that what he was absorbing was not Spiritual Qi, but starlight.

After a brief cultivation, he converted the absorbed starlight into the power of the Starry Sky. This process was much faster than absorbing Spiritual Qi. In just a few minutes, Mi Xiaojing's nearly exhausted Starry Sky power had recovered a great deal.

The characteristic of the Starry Sky power was just like this, slow to consume, and quick to recover. Since Mi Xiaojing was refining a Spirit Pill beyond his level, this kind of consumption was completely unbearable for him. If it weren't for Mu Hengyuan's help, he wouldn't be able to continue at all.

This was different from refining the Nurturing Infant Pill. Both were Spirit Pills used in the Elemental Infant stage, one was for the early stage, and the other was for the Great Perfection stage. The difference in levels between the two was too great.

When he really started to refine the Nurturing Infant Pill, Mi Xiaojing understood in his heart that the possibility of success was too small. Even with Mu Hengyuan's help, there was almost no chance of success. However, since he had come this far, he could only grit his teeth and persist. Even if he couldn't succeed, he would at least gain valuable experience.

For a full four days, the refining of this batch of pills did not fail halfway. It lasted for four days, but by the time it was about to produce the pills, Mi Xiaojing was already exhausted, his Divine Sense was depleted. The fact that he could hold on until now not only shocked Mu Hengyuan but also the other three Elemental Infant stage elders.

However, as time passed, the other elders began to look forward to it, except for Mu Hengyuan.

Mi Xiaojing could no longer control the fire control formation. Now it was basically Mu Hengyuan who was in control. The most critical issue was that Mi Xiaojing could not control the condensation of the pills in the Pill Cauldron. He was sweating profusely, and his eyes were starting to blur.

At this moment, Mi Xiaojing realized a very important problem. The Spirit Pills he refined all contained Spiritual Qi, but none of them could replenish the Starry Sky power. This was a serious problem. If he could replenish the Starry Sky power, he wouldn't be in such a sorry state.

Condensing Elixir!Mi Xiaojing reluctantly gave up his position. He simply didn't have the ability to condense the elixir. This process had to be carried out by Mu Hengyuan. Unfortunately, although Mu Hengyuan was powerful, he was far behind Mi Xiaojing in the path of alchemy.

Mu Hengyuan's face was pale. He knew the importance of this step, but he really had no confidence. He and Mi Xiaojing had discussed the process of condensing the elixir for a long time, and every detail was clear. But this was useless, knowing did not mean being able to do it.

Everyone understood this principle, but things had already reached this point. The stumbling and bumbling process of condensing the elixir could not be abandoned no matter what.

Mi Xiaojing had done his best. Whether it was Yu Hong and Mo Chentian, or the Azure Descent Immortal Maiden and Mu Hengyuan, they all understood clearly.

Mu Hengyuan did his utmost. He knew that if he could succeed by luck, there would at least be a lower-grade Divine Pill. With Mu Hengyuan's cultivation level, there were very few things that could shake his mind, but at this moment, he couldn't help but have his heart beat faster.

Everyone was staring at Mu Hengyuan, even if Mi Xiaojing was exhausted, he was still staring intently. If they could succeed, it would mean that the Heart Sect had the ability to refine a truly high-level Spirit Pill.

...