The gap between industrial civilization and agricultural civilization

"Through the fight just now, you should understand that you are no match for me. There is no point in continuing the fight." said the young girl.
The man in black said with a gloomy look: "That's not necessarily true. I haven't used my full strength yet!"
As soon as the words fell.
The man in black began to use his ultimate move.
He was seen standing there, as steady as a stake.
The bones, muscles, and flesh on his body began to swell at an extremely exaggerated speed.
And...