C455 The terrible diagram of the future

"This is the Smoke Bomb we got from here."

In a cave, an earthquake picked up a shell from a shelf, "This is not the same bomb as before. After this type of smoke bomb is thrown, it can cover a city within two hours."

Wang Shuo was astounded. "That powerful?"

A city? This was too outrageous.

Earthquake laughed and said, "Because there are some materials in this world that are very interesting