Back when Dr Zha Huang created the system, he tried his best to eliminate the factor of dying in the game. He tried his level best to create a factor that would make his Players immune to the human process of death.
The Dream System, the channel to Dimension Zero, was not born out of thin air. In fact, it isn't the pure creation of Zha Huang. Instead, it was an invention… to which generations of great cultivators contributed as its knowledge got passed down from generation to generation.
Until the war that took place somewhere around 1800 (1822 to be exact). It wasn't a war that included countries of armies or slaves or the cavalry.
