The Dan furnace in front of Ye Chong and Lu Shan, after closing the lid, did not explode.

This allowed them to pass the first ditch without a hitch.

At this time, in the open space at the entrance of the Dan Hall, most of the hundreds of Dan furnaces had exploded, and the sword slaves to which the Dan furnaces belonged were all announced to be directly eliminated from the assessment without exception.

The eliminated sword slaves, with expressions on their faces as if they were mournful, walked down the mountain with a lonely expression.

In less than half an hour, there were less than thirty sword slaves left in the open space at the entrance of the Dan Hall who had not yet been eliminated.

The Dan furnace in front of them, after the lid was closed, kept humming.

However, most of these people who stayed behind still looked grim and nervous.

This also includes Ye Chong and Lu Shan.

Because up to now, they are still in a torturous process before refining into an elixir.

They weren't sure when the best time to take out the pill was the best time.

Judging from the reaction of the Dantang elders before, it was obvious that it was not something that could be taken out immediately after the pill had condensed in the furnace ding.

Elder Dantang waited for a long time, and he waited with his eyes closed, which was where they were most confused.

How to judge the timing of taking out the pill?

These sword slaves left behind are naturally relatively wise and insightful, but they didn't expect that just in the alchemy link, it would be so difficult.

At this time, they still didn't dare to assert that they could enter the second link, the seal spirit.

Among the less than thirty sword slaves remaining, only Qi Huang still had confidence on his face at this time.

He didn't learn to wait for the opportunity with the elder's eyes closed, but stared intently at his Dan furnace, his eyes fell on the Dan furnace, but there were words in his mouth, and the voice was not loud, no one could hear what he was chanting clearly.

Ye Chong and Lu Shan didn't pay attention to their Dan furnace at this time, but were staring at Qi Huang who was diagonally in front of them.

Qi Huang had sworn to them before that he had mastered the method of alchemy.

Now that Elder Dantang's only demonstration had ended, they could only wait for an opportunity to seek a solution to the problem in front of them from Qi Huang's body.

Even enemies can be used as targets for stealing teachers.

Qi Huang definitely didn't expect that his show off would provide an opportunity for his opponent.

Ye Chong's eyes narrowed slightly, he was far away from Qi Huang, and in the buzzing sound around him, it was even more impossible to hear what Qi Huang was talking about.

He was just staring at Qi Huang's eyes.

Soon, he found that although Qi Huang's gaze fell on the Dan Furnace, he actually didn't observe the changes in the Dan Furnace anymore.

And Elder Dantang closed his eyes directly.

That is undoubtedly to show that the grasp of this timing does not need to stare at the Dan furnace, but there is another way.

However, since Elder Dantang said that he wanted to investigate insight, then he must have hidden this method in his alchemy process.

So when most of the sword slaves were still hesitating, thinking, staring at the Dan furnace in front of them and not knowing what to do, Ye Chong closed his eyes.

The next moment, Ye Chong's heart was shocked.

After closing his eyes, all he could feel was the humming sound in his ears except for the heat emitted by the Dan furnace in front of him.

It was the sound of the steam flow in the furnace ding, colliding with the furnace ding.

The sound wasn't particularly clear, especially when more than twenty Dan furnaces were making this kind of sound.

Ye Chong opened his eyes, frowned, tilted his head sideways, and approached the terrifying furnace that was still high after the fire was extinguished.

Hum-hum-hum-he forced himself to dismiss the sounds around him and focus only on the Dan furnace in front of him.

Soon, he noticed that the humming sound seemed to have a fixed rhythm.

One long, one broken, then long, then short...... And so on and so forth.

At this time, Lu Shan on the side suddenly gestured to him.

Lu Fatzi first stretched out his right hand and made a "six" gesture, and then stretched out his left hand and made an "eight" gesture.

At the same time, he pouted his chin and pointed at Qi Huang, who was slightly closer to him.

Soon his gesture changed again, with "six" in his right hand and "nine" in his left.

Ye Chong's eyes lit up, and it suddenly became clear in his heart that Lu Shan was telling himself the number that he overheard Qi Huang was talking about.

This number, the eight achievements, is the number of cycles of the long and short humming sounds.

And Elder Dantang closed his eyes before, and he should have been secretly counting the humming sound.

That is to say, the number of times the sound is cycled, and when it reaches a certain index, it is the time when the furnace is opened.

Lu Shan was still listening intently to Qi Huang's numbers at this time, and the gestures of his hands were constantly changing.

He didn't understand what these numbers meant, so he could only tell them to Ye Chong and let him make a judgment.

At this time, Ye Chong already had a judgment in his heart.

At that moment, Ye Chong Xianglushan nodded slightly, and then stretched out his finger and made a "play" action against his Dan furnace.

It didn't really play on the furnace, firstly, the temperature of the furnace was still very high, and secondly, he was worried that it would affect Lu Shan's hearing at this time.

After all, that is only an indicator, they still have to learn from Qi Huang.

And the Dan furnace in front of him, he had no way of judging the specific number of cycles of its humming sound.

Ye Chong immediately made a decision and suddenly lifted the lid of the furnace.

With a pop, a cloud of white steam rushed up from the furnace, and the pill that had already solidified shattered into dust the moment it was carried into the air by the steam.

Ye Chong's actions attracted the attention of the other disciples, and they all showed surprised eyes.

Since their previous steps were all controlled, the aura in the furnace was not disordered, so naturally there would be no explosion. This means that as long as they find a way, they can do it again.

And those pills that crumbled into dust told them that Elder Dantang was not playing tricks before, and the timing of taking the pill was very important. If there is a slight mistake, the pill will be destroyed.

But they haven't found the trick to seize the moment, so they can't make a decision and start over.

As for Ye Chong...... A lot of people just think that this guy just can't wait and act recklessly.

So when Ye Chong re-ignited the carbon crystal and restarted the previous steps of refining medicine, the other sword slaves had already continued to think about the way to grasp the timing that they had not found, and no one was paying attention to this reckless guy.

They also didn't notice that Ye Chong had put a very small amount of elixir into the furnace this time.

The amount of elixir that Ye Chong put could only refine one elixir, which meant that even if he succeeded in refining the elixir, if the next seal spirit failed, he would still have to start over again.

Of course, doing so could also shorten the time for his second alchemy.

Lu Shan was still engrossed in eavesdropping on Qi Huang's numbers at this time, and his gestures, behind the Dan furnace, kept changing.

He and Ye Chong were in the same corner position, and his movements were hidden behind the Dan furnace, and the two of them did not make direct eye contact, so none of this attracted anyone's attention.

While Ye Chong was alchemizing, he also always paid attention to the changes in Lu Shan's gestures.

All the previous steps were repeated, and when the column of steam rising straight up in the furnace was the thickness of a small arm, Ye Chong once again decisively closed the lid.

It was also at this moment that Qi Huang, who was diagonally in front of him, suddenly lifted the lid, and with a "poof!", the steam column rushed straight up, and several newly baked pills were thrown into the sky with the steam.

Qi Huang jumped up and reached out to hold all the pills in his hands.

It worked!

Qi Huang was the first to refine a complete elixir.

This scene made the surrounding sword slaves all look at him, with all kinds of envious, jealous and hateful expressions on their faces.

And Qi Huang was also full of pride, and he didn't forget to turn his head to look at Ye Chong and Lu Shan, and threw a contemptuous smile at them.

Ye Chong didn't respond to him, but tilted his head slightly, looking at the gesture of Lu Shan's hands that stayed at this time.

Nine, nine.

It's ninety-nine!

Ye Chong knew it in his heart, and while counting the sound of the humming cycle in the furnace in front of him, he pointed to the Dan furnace and quietly made a "play" movement towards Lu Shan.

Fingers pop out, pause, pop up again, pause.

He mimicked the humming sound, one long pause, one short pause, and then the cycle.

Lu Shan still didn't understand what he meant.

At this time, some sword slaves couldn't bear it anymore, they still hadn't found a way, but they didn't want to wait like this, but began to think of tricks, estimating the time difference between Qi Huang, the first successful alchemist, to close the lid and the lid of his own Dan furnace, and lifted his lid like a gambler.

Then, without exception, all the pills turned into dust on the column of steam that rose from the conflicting sky.

Just as they lifted the lid and the steam burst out of the furnace and popped.

Ye Chong gently made a mouth shape towards Lu Shan.

"Buzz?"

Lu Shan received Ye Chong's prompt, and silently made a "buzzing" sound in his mouth, and at the same time imitated the movements that Ye Chong had done to him before, playing, paused, played, paused, long and short, and the cycle repeatedly......

Lu Shan suddenly raised his eyebrows, and finally understood the meaning of Ye Chong's prompts, and immediately excitedly lifted the lid of the furnace in front of him, and let the elixir turn into dust in the air, and he quickly started refining again.

In the same way, he only used very few materials, which was only enough to refine a pill.

He's buying time.

Ye Chong breathed a sigh of relief in his heart, this thrilling process actually reminded him of his previous life, when he was going through various exams, he used gestures or passed small notes to cheating with his classmates.

That's just as thrilling.

At this time, Qi Huang had already taken the seal spirit pen that he got out of nowhere, and began to carve spirit patterns on the pill.

His expression was no longer as solemn and nervous as the others, even if he had no experience with the Seal Spirit, he only knew some theoretical knowledge, and he had just watched the demonstration of the Dantang Elder. But he still has a lot of confidence.

Because so far, he is the only one who has completed the first step, and he has refined a lot of pills, even if the seal spirit fails once, he can start over immediately.

At this time, the scene seemed to be really as he had said before, when Ye Chong, Lu Shan, and most of the people were still sweating in front of the Dan furnace, he had already started the second step.

Far ahead of everyone else.