"Yes, the Lifeng Empire wants to conduct exercises. Although it cannot be fought, it can scare them." Liu Tian began to sow discord.

"You guys have a lot of ideas."

"That's not true. I think I can try it anyway, and the effect is absolutely great."

"You boy, don't come up with a good idea." Chen Pengxin stared at Liu Tian in anger when he saw that Liu Tian was not worried about the fun.

“…”

"Okay, don't mess with these useless things, kid." Chen Pengxin pressed his mouth to complain and said curiously: "Tell me... what material is it?"

"Is it convenient for you?" Liu Tian asked back.

"Convenient, you just say it?"

"Invisible Material."

"Invisible material?" Chen Pengxin asked in surprise: "What effect can it achieve?"

"It's not the kind of radar you understand, the kind of stealth of wireless waves, but the line of sight." Liu Tian explained when he saw Chen Pengxin's wrong understanding.

"What does it mean?" Chen Pengxin thought of a possibility, but he was not sure, but he became serious.
Chapter completed!