There was nothing but silence in the auditorium while all the emperors and Nascent Soul Stage Cultivators were calculating the four fictitious wars that Li Yao threw out.
The weapons in the latter two wars, such as supersonic fighters and missiles, which seemed enough to cause damage to the Cultivators, particularly aroused their interest.
A moment later, a Nascent Soul Stage Cultivator asked cautiously, "Fellow Cultivator Li Yao, it has occurred to me that the war system driven by oil, coal, and nuclear energy seems to boast the most damage on the surface of a planet with an atmosphere and that its damage will be significantly reduced when the battlefield is in outer space. Isn't it so?
"Let's take the nuclear weapons, the most powerful weapons of all, for example. In the vacuum, most of the ways that they cause damage will lost effect. Their damage will be less than one tenth of the original!"
