C174 The Beginning of Life in the Duchy

"Ah, now I know," said Oriental, stretching in his office. "This little thing is more useful than I thought."

He spent the whole night in his office, not working, but studying the principle of the lighter. He had now figured out what was going on, but with the current technology of this world, it was impossible to recreate it.

"If this lighter can be mass-produced, there will be a lot of profit