Trickster Soul Master

I defeated a lizard and got 12 gold coins. While it was still breathing, I quickly asked: "Why are you so poor?" The lizard said: "I am not a lizard, but a giant dragon. I was just stolen gold coins by a so-called warrior earlier." … This is 100 years later, when society has entered an era of full automation and intelligent machines have replaced humans as the basic labor force.