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The sound wave swept through the entire Lionheart Imperial City in an instant, and many people in the nearby streets were directly shocked and sat on the ground, and at the same time, the pots and pans in many shops were shattered. Those who were knocked down by the sound wave all smiled wryly, but they didn't have a seizure.

And those shop owners who have lost something, on the contrary, are smiling, not only not angry, but happy.

Seeing this scene, Li Yunfei immediately understood that this Xue Li's loudspeaker had definitely been used many times before, and the people in Lionheart Imperial City were used to it.

Sure enough, I heard the silver swordsman say to a few of his followers behind him: "You go and see how many shops have been damaged, and compensate twice the original price." ”

"Yes!" the attendants agreed, and went at once, apparently having done this kind of thing before.

And the silver swordsman showed a hint of surprise and looked at Li Yunfei.

You must know that in his memory, the last time Xue Li used this big horn, it was when he discovered the improvement method of the magic energy pillar, and the improved magic energy pillar was much more sensitive, and after evaluation, it was considered to be able to resist the attack of 500,000 giants.

I didn't expect that this handsome young man in front of him, who looked only seventeen or eighteen years old, could make Xue Li pay so much attention!

"Please sir wait a moment, a few of my friends will be here at once, and there are still some questions I would like to ask him. After Xue Li finished yelling, he immediately said to Li Yunfei with a smile on his face, as if he was afraid that he would run away.

Li Yunfei nodded and said with a smile: "Grandmaster Xue Li is polite, can you let me see this sound cannon?"

"Cannon?" Xue Li was stunned for a moment, and then understood that Li Yunfei was talking about the big horn in his hand, and immediately laughed and said: "Hahaha, cannon! Good name, good name! It's just a communication thing, Mr. wants to see it." ”

As he spoke, the silver swordsman stepped forward and handed the loudspeaker to Li Yunfei.

This big horn is made of metal throughout, and there are all kinds of precious metals such as Mithril on it, so it is extremely heavy, and after Xue Li took it out of the space bag just now, he immediately put it on the ground, and he couldn't hold it at all.

And what made the difference between the silver swordsman was that the young man in front of him easily took the big horn, as if he was just holding a straw in his hand!

This young man's strength is so great!

Li Yunfei naturally didn't know the shock in the other party's heart, and immediately began to observe carefully after taking the loudspeaker.

In alchemy, there is a special "amplification magic circle", and there is also a special auxiliary magic "amplification magic" in the magic, but the "amplification magic circle" is extremely cumbersome and huge, and the required magic circle components are at least ten square meters. And these two things can at most amplify a person's voice dozens of times, so that a person in a square can barely hear clearly.

However, Xue Li's "sound cannon" can directly amplify the sound a hundred times, and even a huge city with a population of one million can be completely enveloped.

Li Yunfei studied it for a while, and immediately understood that this thing was actually a shrinkage of the "amplification array" and then engraved on this person