Only those with excessive soul trace than ordinary people were able to become Array Masters.

As for the formations which were commanded by practitioners, it was the most esteemed and most difficult portion of array skills.

Because based on the formation arranged by the array patterns and magical beast cores, the flow of energy within was stable. As long as it had been calculated beforehand, one would be able to control it with precision.

But humans were different.

There was no way to predict the amount of ability displayed by every single practitioner in the formations which were grouped based on humans, and the fluctuations that might be given out with each attack.

As a Commanding Officer, one had to acutely detect the variations within and adjust them accordingly based on the actual situation.

Moreover, during the battle, the opponent’s situation was also ever-changing. So there was no way to predict it in advance.

The Commanding Officer had to adapt based on the enemy’s attack and make the necessary changes. That person would also need to understand each variation of the formation, as well as the practical and different uses of it.

To the Commanding Officer’s innate talent, the intensity of his soul trace or even mental power, the requirement was ridiculously high.

Very few people were able to reach this standard, even among practitioners with outstanding innate talents.

Generally speaking, after the practitioners had accumulated sufficient military merits, those who wanted to be promoted to a Commander rank had to receive the systematic training. The most important content within was to learn the various uses of formations.

This was the crucial difference between an ordinary practitioner and a Commanding Officer.

Many of them were even able to kill the Earth Devil mid-phase or end-phase top expert on their own. But if they were asked to command a team to kill an Earth Devil early-phase, they couldn’t do it at all!

Not to mention killing an opponent whom they had to kill via teamwork!

Li Yukun was a proficient formation transformation expert. It was this ability that allowed him to rise steadily to become a Commanding Officer in one of the most important strongholds in the frontlines.

It was also because of this that he could tell how high the difficulty was for Huang Yueli to command ordinary soldiers to kill the demon tribe!

The fact that Huang Yueli had yet to go through the systematic training but had such a standard of commanding meant that she had relied on her ability to work things out.

This meant that she would definitely become an extremely outstanding allied armies’ Commanding Officer in the future.

Perhaps, she would attain even greater achievement than Li Yukun!

Li Yukun’s burning gaze was fixed on Huang Yueli as he said, “Then tell me how did you proceed with the formation transformations? How are you able to hold off those Earth Devils based on those ordinary soldiers?”

“This isn’t very difficult actually…”

Huang Yueli felt that there was nothing much to hide and just repeated those instructions that she had said in the forest.

Moreover, she even carefully added in some explanations because she was worried that the practitioners by the side couldn’t understand what she was saying.

When she spoke, all of the main tent’s practitioners, no matter if it was a Team Leader or a Commander, pricked their ears and listened to her attentively. They were worried that they might miss out on a single word!

Even for those who originally couldn’t understand the importance of the formation transformation, after they saw Li Yukun’s reaction, they knew that what Huang Yueli was about to say was going to be extremely important content.

However, after listening for a while, the majority of those practitioners were all in a daze.

Although they tried their best to listen…

“What on earth is he talking about?”