C40 Identity of the Tomb Owner

"Suction ~"

Tao Ming was more powerful. He took a deep breath and looked at the surrounding oil lamps before laughing, "It's white phosphorus. It's connected by a wire." "Oh, right. This is the fire piston of the ancient people."

While I admired his insight, I was also extremely helpless.

What time was it? This brat was still trying to learn the name of detective Conan?

"Hehe