"What is this?"

Feng Yun saw a large amount of blue smoke rising from the small wooden bottle thrown into the air by Miao, spreading like a big net covering it, his expression changed, and he subconsciously wanted to dodge.

"Benefactor, don't panic. It is harmless."

Miao Piao obviously noticed Feng Yun's actions and cast a soothing look at him.

Feng Yun's body stopped moving, but it was not because of what Miao Piao said, at least not entirely because of him. He found that the area covered by blue smoke was very large. If he could not get out of the cave, he could not really avoid it. Coming.

Fengyun believes that the passage outside Unicom exists, otherwise Miao Piao and the other people of the Floating Tribe who have entered here will not be able to leave.

It's just that Miao Piao moved too fast, it was too late for him to find out the way out from him.

Soon, the blue smoke completely spread, occupying the entire cave, and the wind and clouds were also shrouded in it, and if you look closely, you will find that the fog around him is thicker.

However, even though the blue mist around Feng Yun's body was thicker than other enemies, it could not really touch his body.

Before Lan Wu approached him, he urged the power of the totem without a step, and placed it outside his body to form a protective shield to protect him.

Although Miao Piao assured him that the blue mist would not cause any harm to him, he still didn't want to let it touch his body for some reason.

Inspiring the power of nature to protect himself, although it will produce a certain amount of consumption, but in order to prevent the unknown things from touching his body, he thinks it is worth it.

More importantly, given his current situation, if the power of totem is released, as long as it does not take a long time, the burden on him will not be large, and it is completely affordable.

"Benefactor, you..."

Miao Piao noticed Feng Yun's small movements, and his lips moved, but after all, he didn't say anything.

The blue mist appeared quickly and disappeared not slowly.

It only took less than ten minutes before and after it emerged from the bottle to when it disappeared completely.

Feng Yun did not remove the totem power that was released, and maintained it for a while.

During this process, Fengyun began to observe the situation in the cave, wanting to take a good look at the appearance of the blue mist and whether it had any impact.

He was disappointed.

After watching a large circle, he didn't find anything unusual, but he still didn't give up searching, he didn't believe that Miao Piao was doing useless work by doing this.

When the blue smoke was released, Fengyun once saw the color of regret on its owner's face.

In that case, Miao Piao shouldn't waste it casually, he must use it to achieve a certain purpose.

After observing for a while, there was still no discovery. Feng Yun had to cast his gaze on Miao Piao. Although he seemed a little reluctant, he also understood that this was his best choice to understand Lan Wu.

As the owner of Blue Fog, Miao Piao should know exactly what it can do, and by staring at him, he can lead him to discover.

Facts have proved that his choice is correct.

Just when Feng Yun cast his gaze on Miao Piao's body, he found that he was staring at something.

Feng Yun immediately followed his gaze, and his instinct told him that the place Miao Piao looked at was what he wanted to find.

"footprint?"

When Feng Yun saw clearly what Miao Piao was looking at, she couldn't help but froze for a while, but soon she showed annoyance.

He should have thought of it long ago.

In fact, Miao Piao once gave him a hint. He said that he could know if there were any outsiders in the space where he was, and then he released the blue mist. Obviously there was a relationship between the two, but when things came to an end, he wanted to go wrong.

Feng Yun stared at the footprints carefully, and soon discovered that he seemed to be familiar with them. He just couldn't remember them for a while, but after a short time, he seemed to understand where his familiarity with them came from.

The soles, those shoe prints came from his soles, how could he not feel it.

However, the footprints revealed by the blue light did not all come from Fengyun, and part of it came from another person who entered the space-Miao Piao. He recorded all the footprints left by those who entered the cave.

"Is this the way you confirmed that the test has entered this space?"

"How is it? Not bad, right?"

Miao Piao looked at Fengyun, raised his head, showing a proud expression.

"It's really good, so as long as someone has entered here, it will leave a clear trace, and it will be clear at a glance."

"It is true, but the developer powder is very scarce, so use a little less."

When he said this, he sighed suddenly, and then said quietly: "But there is no use for the developer powder to stay. You can use it if you use it."

Feng Yun knew that Miao Piao thought of the tragedy of the Floating Tribe being destroyed, but he couldn't say anything.

Fortunately, Miao Piao was more free and easy, and he quickly shifted his attention from the tragedy of the Floating Water Tribe to the blue mist that Feng Yun was interested in.

What Miao Piao did this time was to give a detailed briefing. Through this time, Feng Yun also had a better understanding of Blue Mist, which is the developer powder.

Its advantage is that it can show the footprints of people in a certain area, even if there are no traces left, it is very magical.

However, everything has two sides, and the developer is no exception. It also has shortcomings, such as the time limit for the detection of intruders.

It took a long time, exactly, more than a month, and then wanted to use the developer powder to reveal the traces left by the enemy, but it was impossible.

In this regard, Miao Piao did not lower his evaluation of the developer, and was able to clearly show the footprints within a month, which was already quite good.

Feng Yun once gave birth to the urge to ask Miao Piao for the developer formula, but he still resisted it.

He has seen the magic of developing powder, how could such a good thing casually tell others?

The footprints shown by the developer powder did not exist for too long. They only lasted for less than an hour before they began to fade and disappear.

One hour may seem a little short, but it is already quite remarkable, and it is enough to provide a huge help.

Temporarily put the developer powder again, Feng Yun turned his attention to the disappearing treasure again after going round and round.

Since no outsiders entered through the display of the developer powder, even how the treasure disappeared made Fengyun's heart bewildered and more curious.

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