Godly Student

"In addition, if you run out of your download slips, you must replenish them in time, otherwise, if I summon you, you won't know!" Cheng Yu reminded.

If King Wai did not send Jane, his subpoena would fail. And he can easily judge whether the king has received the message based on whether the upper slip in his hand is broken or not.

As long as Wai Wang checked the jade slips, the jade slips in his hand would also be broken. If Wai Wang didn't check the jade slips, then the jade slips in his hand would remain intact until Wai Wang checked the slips and broke.

However, the communication of the Jade Slip is also time-sensitive. If the other party does not check the Jade Slip for more than twelve hours, the content on the Jade Slip will disappear and can be used again.

"I understand!" Wai Wang nodded again, and quickly put away the jade slip.

This is a good thing, with this thing, there is no need to worry about not having enough jade slips in the future, and he will make dozens of them when he goes back, for backup.

"Master, isn't it too unfair that you only give such a good thing to the king alone?" Luo Keya felt a little envious when she saw the king put away the jade slips excitedly.

Wai Wang had shown them how to use the jade slips, so she also knew that the jade slips were very practical.

And this time, if it wasn't for the jade slip in Wai Wang's hand, how could Wai Wang tell Cheng Yu about his situation at any time, and how could Wai Wang know about Cheng Yu's situation?

So this is all thanks to the jade slip, and she naturally hopes to have such a good thing.

"What do you want this for?" Cheng Yu laughed.

"If only the Wai Wang has this thing, in case the Wai King has to stay in the Baiyang Wai Dynasty in the future, but we leave the Baiyang Wai Dynasty with our troops, then if we don't have this jade slip, how can we report to the young master? What about our situation?" Rokeya said.

The jade slip was the best communication method she had ever seen, and she certainly hoped that she would use this method to communicate.

"It's true!" Cheng Yu thought for a while, and it seemed to be the same, and then he said, "Well, I will prepare a set of communication jade slips for each of your chief elders, so that's okay, right?"

"Really?" Rokeya was overjoyed. It would be great if each of their chief elders could have a set of communication jade slips.

"In order to ensure the concealment of the content of these jade slips,

Therefore, there are only upper and lower slips in communication jade slips, one-to-one situation transmission.

Therefore, these jade slips I gave you, except for the communication between us, must not allow a third person to have the same jade slip, otherwise the communication between us will be seen by this third person. "Cheng Yu was so happy to see Luo Keya, but he had to remind him well.

This is a very important key. The communication formations of each set of communication jade slips are different, but these communication formations are very easy to change, so a new set of communication jade slips can be made with a slight change, and such changes Only he himself knows, so it will not coincide with other people's communication jade slips.

"Young master, don't worry, I will definitely instruct them when the time comes." Luo Keya said happily.

"Anyway, I have to prepare so many sets, so I'll just give you a big gift!" Cheng Yu thought for a while, and thought it might be a good thing to give them something, so he said.

"What big gift?" Wai Wang and Luo Keya both looked forward to it!

"As I said just now, under normal circumstances, these communication jade slips are divided into upper and lower slips for one-on-one transmission for the sake of confidentiality.

However, this is just one of the communication jade slips, and there are some more complicated communication jade slips. "Cheng Yu said.

"Young Master, do you mean that there are many-to-many jade slips?" Wai Wang said with a bright eye.

"Almost, it's just one-to-many jade slips!" Cheng Yu said.

"One-to-many? Please tell the young master more about it!" Wai Wang said.

"It's like this. I'm giving you this set of jade slips, which you can use to communicate with the defenders on the borders of Baiyang Outer Dynasty." Cheng Yu said.

"Send a message to the border defenders? But there are nine border towns in my Baiyang Outer Dynasty. Could it be that the young master's special summons slips can be sent one to nine?" Wai Wang asked curiously.

"If that's the case, it's fine for the outer king to hold the upper slip and the other nine border cities to hold the lower slip!" Luo Keya said.

"That's true, if all nine of them hold the lower slips, you can see them all when they send you a message.

However, because the jade slips in their hands are all the same, if you give an order to one of the cities, the other eight border cities will also see it.

It's okay if it's not some important information, but what if the information can only be known by that city? Wouldn't it be a big deal? "Cheng Yu explained.

"What does the young master mean, can you send a message to one of the border towns with this special set of jade slips?" the king asked expectantly.

"That's right, that's why I gave you this set of jade slips. In the future, if someone from the border town enters the Baiyang Wai Dynasty, you can get the latest news as soon as possible. I think this is right for you guys." I have benefits!" Cheng Yu said.

"If there is such a jade slip, of course it would be great!" Wai Wang said happily.

Just like when Special Xun sent them into Baiyang Wai Dynasty before, his messengers rushed to Baiyang Wai Dynasty as quickly as possible.

But even so, it took half a month. After he received the news, Special Envoy Xun and the others arrived half a month later.

If there are no special circumstances, this kind of summons is fine.

But if the opponent is leading an army to attack, then this time may not be of much use.

Moreover, using a messenger to send a message is also more risky. Sometimes the messenger will be discovered, and if the call fails, the consequences will be even more unimaginable.

If every border town now had its own communication jade slip, then there would be no need to worry about any delay in any news.

More importantly, if he has any instructions, he can also pass them on to the generals defending the city in the fastest way.

For example, if a foreign enemy attacked, which border town he wanted to be closed immediately, if he used a messenger, the news would come and go, and the border town closest to Baiyang Wai Dynasty would also need to waste a month.

Really, when this order was passed to that border city, the order had no effect, maybe their city link could no longer be defended.

But using such jade slips, not only can he immediately know that there are foreign enemies attacking the border city, but he can also immediately order the guards to seal the city without any delay.

"But this set of jade slips is a bit troublesome. I need some time to set up the formation, so you may have to stay with me for a few days!" Cheng Yu said.

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