When Wanwan came to the training ground downstairs, she saw Hao Yun and their eyes staring at the headband and necklace, it turned out that they tried to refine their divine sense and found that it didn't work, and they didn't know how to use it at all. A few of them studied who went upstairs to find Dr. Liu, but they didn't want to go, and they were pulling each other's skins!

After Wanwan knew, she smiled and said, in fact, the master had already given her the jade slip that recorded the usage method, and she took out the jade slip from the ring, as well as a set of headbands and necklaces, and said that she would prepare it for him when the sea recovered in the future. Hao Yun and the others saw that Dr. Liu was so careful, and they said that they would thank Dr. Liu on behalf of the sea when they saw Dr. Liu tomorrow.

After Hao Yun and the others checked the jade slip, they realized that these two spirit tools could not be refined only with divine sense, but must be refined with essence blood with a special divine sense refining technique, and once refined, others could not use it, even if the master died, this kind of spirit tool was known as blood spirit tool in the spirit world.

Hao Yun quickly succeeded in refining according to the method on the jade slip. The headband is relatively simple to use, after recording the refiner's soul frequency with each other, after each record is recorded, a small segment of the spectrum is formed in the headband, due to the size of the recording space, only ten pieces of information can be recorded at most, and once recorded, it cannot be deleted. Fei Feiman was curious, why can only records but not be deleted, so ten are too few and not enough. Wanwan explained that the material for recording the soul frequency of the headband is relatively special and not easy to get, so the number of records is limited, and it cannot be deleted because no such method has been designed, including the use of the characteristics of the material itself to operate, and the specific principle is not clear, so there is no way, and the current ten are enough.

After everyone records each other, experiment, it's really easy to use, after all, the farther away the divine consciousness exchange, the worse the effect, and it is easy to be interfered with by the outside world, and even if the soul frequency is blocked, it can also communicate, this function makes them scream, it's just an artifact! But this also has a disadvantage, that is, you can only contact one person at the same time, so the scene of being able to hold a meeting with several people at the beginning cannot be realized. Since they are all cultivators in the foundation building period at present, the distance between them is about thirty miles. In the future, it will be able to break through to the Jindan period for more than 100 miles. Compared with the scope of divine consciousness, this distance is not at the same level at all, the range of the foundation building period is only a few hundred meters, the Jindan stage is a few thousand meters, and the infancy stage is only tens of thousands of meters, that is to say, they used this connection distance in the foundation building period to reach the level of the cultivators of the infancy stage.

The soul frequency necklace is relatively simple, it is basically a soul frequency device with the soul frequency shielding function, but the range is much larger, and the soul frequency necklace can also be directly connected with each other point-to-point, the approximate distance can reach ten miles, theoretically, if three people form a triangle for 10 miles with each other, a ball will be formed with the center point of the triangle as the center of the ball. If the target is inside the ball, it can be located and very accurate.

With this conclusion in mind, it occurred to them that tomorrow if the method was followed, the scope of this search would be too large. As long as the positioning is successful, the rest is a spike.

This conclusion makes everyone more confident in tomorrow's actions.

Regarding the use of the fire crystal gun, since the two must cooperate, Hao Yun suggested that it be placed here for him, because it only makes sense for him to detonate, if necessary, even if the two of them are separated, if the distance is close, it will have no effect on the use at all, if the distance is far and it is not within the control range of the flying sword of the quartz sword, it is completely possible for Hao Yun to shoot the missile in the direction of the quartz sword, so that when entering the control range of the quartz sword, operating the missile may also give the opponent an accident.

In short, everyone discussed while experimenting, which not only broadened their minds but also enhanced their cooperation. Wan Wan was envious and at the same time felt a trace of fear for the sparks that burst out of them, the spirit world tactics had entered an era of great change.

The next day, when they came to the harbor of Linghai City early in the morning, a speedboat that was ready to go had stopped at the dock and was waiting for them.

It wasn't quite dawn yet, and the speedboat was speeding in the direction of the rising sun.

In the cabin, Dr. Liu convened a pre-war meeting. Knowing that everyone is already familiar with the use of necklaces and headbands, just like everyone said yesterday, since it takes three soul frequency devices to accurately locate them, Doctor Liu needs their help, plus Doctor Liu's necklace and headband, so that there are five, Doctor Liu plans to work alone in a group, and the remaining two in a group, one uses the soul frequency device, and the other is on guard. In this way, Hao Yun and Quartz Sword are assigned, and Fei Fei and Wanwan are assigned. Once the positioning is successful, if it is a demon beast in the middle of Jindan, you can let Hao Yun and Quartz Sword directly kill it, if it is a late Jindan or a group of demon beasts, first lock it with a mirror trick, after everyone gathers, make a shot according to the situation, there may only be one shot, you must be cautious.

Soon arrived near the target sea area, stopped the boat, the rest was to fly over, Dr. Liu selected a small island that had not been to nearby, everyone was divided into three groups, and after opening a distance of nearly 10 miles, Dr. Liu dragged back, and the other two groups moved forward, and slowly the net was scattered.

Since the strategy is no problem, everyone is cautious again, and soon there are results, and a demon beast that goes ashore alone - a sea manatee, this is a sea monster in the middle of Jindan, usually rarely goes ashore, this kind of demon beast that usually lives in the sea, it is very difficult to catch in the sea, and when it comes to the sea surface plus the positioning is accurate, Doctor Liu ordered, quartz sword and Hao Yun made a move, Hao Yun ran the mirror trick to lock the sea manatee, quartz sword Yun took off the sword, and the battle was resolved in the blink of an eye, and soon the flying sword returned to Hao Yun with the head of the sea manatee, and Hao Yun took out the demon pill from the head of the sea manatee。 The demon pills of the demon beasts are basically in the head, and only the insect demon beasts are not sure.

It was so easy to solve one, although Dr. Liu had already imagined it, but it was still very surprising to actually see it.

Due to the fact that in the past, the search range of the soul frequency was limited, even if there was a way to expand it, but the attack range was also limited, and at present, the distance of the infantile stage masters was only a few miles, and they could shoot at a range of ten miles or even farther, which made her feel terrible.

This time it was so simple and it was beyond Hao Yun's expectations, after all, the search range was relatively small before, and after the basic search, the other party also noticed it, so it was necessary to cast the mirror trick in time, and use the mirror trick to conduct a visual search according to the scope of the target's forward direction, if the other party did not run away in time, he could lock and attack. Like this, long-distance searching, locking, shooting, and recycling, all in one go, are crisp and neat, and it feels so cool.

Physician Liu sighed that the new era of the spirit realm had really come, that is, their realm was too low, and they did not have a powerful long-range attack spell, otherwise a group of demon beasts in the middle of the Jindan could be easily killed.

According to this tactic, the harvest will come up slowly, after all, it is impossible to search for an accurate one, sometimes because of the distance, sometimes because of the encounter with a particularly careful demon beast, when it senses that someone is locking it, it will jump into the sea and escape regardless of thirty-seven twenty-one. Demon beasts also have divine sense, the moment they lock it with their divine sense, the divine consciousness of the demon beast will react, and some demon beasts will look for the source of divine consciousness, and find that it comes from above, and there is nothing, so they won't care, and they will run away when they encounter the cowardly. Later, when this situation was encountered, Doctor Liu meant that there was no need to lock the soul frequency, anyway, the distance was far enough, so there was no need to startle the snake and shoot directly.

At present, there are also several demon beasts, even if the quartz sword tries to control the flying sword technique, it can only kill one, after all, if you don't take this sneak attack method, even if the demon beast doesn't escape, it won't be killed so easily. The monster beast will not be stupid to look at the flying sword to stab it, dodge, protective shield and other defensive methods will be used, and even once, the flying sword was hit by a water arrow sent by a demon beast, and the flying sword was attached to the quartz sword divine sense, which is equivalent to the divine consciousness being beaten, and the quartz sword immediately spit out a mouthful of old blood, and almost didn't come back from the flying sword.

Wanwan was also surprised when she first saw such ease, and then she has been thinking about how to crack it if she encounters such a miss, since the quartz sword encountered a miss, everyone understands that there is no perfect tactic. It turned out that this attack was the ice armor sea wolf, this kind of demon beast, there is an instantaneous protection technique, when the flying sword is about to pierce the sea wolf's body, the ice armor technique is automatically activated, the flying sword is blocked, failed to kill the sea wolf, the sea wolf quickly rushed into the sea, and the quartz sword also lost the opportunity to attack the second time. Wanwan thought, it turns out that you only need to learn a self-excitation protection technique, there are many such tricks, it seems that you must observe it in person, otherwise who can know that it is so simple to crack.