Chapter 2655: Echolocation

"Snapped!"
Feng Yun flicked his fingers, and a powerful force flew out, hitting the vine not far in front of him, and then made a serious listening action.
Soon, his eyes lit up.
He found that his method worked. With the help of hearing, he could find the monsters living on the vines, including those that were hidden.
There are more monsters on the vine, and the echo will be different. Fengyun can confirm the existence of the monsters based on these differences, and even accurately locate their positions.
Although the difference is not big, some people just put their ears on the vines, and they won't get anything, but Fengyun is not an ordinary person, his hearing is far beyond ordinary people, and he can recognize very subtle differences. .
Not to mention, he also borrowed his stethoscope to further magnify the difference.
Don't look at the stethoscope he is using now. It was simulated by him with the power of the earth attribute totem, but it is no worse than the real stethoscope. On the contrary, the effect is even better.
The power of the earth attribute totem originally belonged to Fengyun, and he has a very close connection with it, and it can collect useful information for him. Now combined with listening, it is completely complementary to each other, reaching one plus one far. The effect is far greater than two.
In the following time, the number of surprise attacks Fengyun encountered monsters became less and less, although the leaves on the vine became more and more, it became easier for the monsters to hide.
"Sometimes you still have to use your brain."
Feng Yun couldn't help sighing.
If he hadn't thought of using the echolocation method to confirm the location of the monsters, no matter how much sword intent he had, it would not be enough to consume.
Of course, he can stop and wait until the sword intent is restored before continuing to search, but there is a problem.
He fought with so many monsters and made such a big movement, the monsters would not fail to find his existence, how could they let him go.
He stopped to recover the sword intent, maybe they would sneak close to him and attack him in groups.
With the strength of the monsters, he might not be able to handle them if they were too numerous.
What's more, as long as this kind of siege occurs once, there will be many times. Unless he gives up, it will not only be difficult to achieve the goal, but it will also put him in danger.
It is undeniable that Fengyun confirms the location of the monsters through echoes, which will also disturb them, but it is much smaller than the movement made by fighting them.
In addition, Feng Yun will not stay in one place for a long time, and is in a state of movement. It is very difficult for the monsters to confirm his position, and naturally they cannot besiege him.
As time went by, Fengyun discovered that the vines had become obscured from the sky, the distance between the vines and the vines became smaller, and they were filled with countless leaves, leaving no gaps.
Quite a few monsters, especially those with relatively small heads, hide in these leaves, making it more difficult to find them.
Fortunately, Fengyun's echolocation method was used more and more skillfully, so that he did not get close to the monster and didn't realize it, but even so, he would still be attacked by the monster every once in a while.
But even so, he was still very satisfied.
The sword intent he possesses can barely be maintained in a balanced state, plus he has already recovered some sword intent before, and the sword intent he possesses is not too scarce. Although there is still a long way to fill up, it is still It should be enough for him.
Therefore, the situation did not stop, even slowly speeding up.
He has a feeling that what he is looking for should be about to appear.
He made such a judgment, not just guessing, but he found evidence.
He has always been very concerned about the situation of the gray fog. In his opinion, it is the culprit that caused him to fall into the current dilemma. If it hadn't existed, he would have found the goal long ago and the problem had been solved.
Because of this, as long as the gray fog changes, he will immediately notice it.
He found that the thick fog of gray fog became thicker and thicker. It felt like he was approaching a source of fog, and was continuously producing the fog and letting it spread.
So Fengyun adjusted its direction and approached the source of the fog.
As time went by, Fengyun's judgment was proved to be correct by more and more evidence.
In addition to discovering that the concentration of gray fog was increasing, he also heard a faint echo from the vines. Although it was not very clear, maybe he was still too far from the sound source, but it still gave him a great shock. .
It directly impacted his mind, causing him to feel a kind of fear, as if he would be in danger if he dared to continue to approach the sound source.
In this regard, Fengyun was not surprised but rejoiced.
All signs are showing him that the target he is looking for is the producer of the sound source. Even if it is not, there must be a very close relationship between the two, and he will naturally not just give up like that.
After another period of time, Fengyun began to reduce the contact area between the stethoscope and the vine, thereby reducing the impact he received.
The sound source that he suspects to be highly related to the target has become louder and louder, and in contrast, the impact on Fengyun's mind is also rising.
Every time a sound, more accurately speaking, a vibration comes, it will have a great impact on his soul, making him need to spend a lot of effort to calm down, and it will have a great impact on his state.
In addition, he doesn't need to pay too much attention to the traces of the monsters, because the monsters seem to be very afraid of this vibration, and their number begins to decrease rapidly.
Later, he had rarely seen the monsters again, but he did not relax his vigilance, because although the number of monsters was less, their strength became stronger.
About five hours after he discovered the sound source, Fengyun finally confirmed its existence.
It was a huge existence like a small hill, with thick vines directly linked to it, as if part of it grew out of it.
But what really caught Fengyun's attention was its shape. It had a big mouth, and every time it passed, it would spit out a large cloud of gray mist, the concentration of which was very high, and even gave Fengyun a sense of substance.
The time interval of the big mouth spraying the fog is the same as the time interval of the vibration confirmed by Fengyun from the vine, that is to say, the vibration is caused by the fog spraying out.
Feng Yun did not rush to the big mouth, but decided to observe it first, and then decide how to do it after he understood it, and what he did was soon proved to be correct, because it not only spit out gray mist, but also Spit out other things.
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