With the invention of the steam engine, the industrial revolution occurred and civilization developed really quickly. But people don’t know. An energy source that is... more>> tens of thousands of times more efficient than a steam engine has already existed in Jungwon… That is the martial arts. What if the principle of martial arts, which had been hidden by a few established powers from the past, was spread widely to the public by chance… If so, how would have the world change? <<less