Coming to parallel time and space, the road of black technology started from building mechas. Many years later, a reporter asked: Mr. Chen, what was your original motivation for developing the hunter mecha?
We can use the hunter mecha to fight against them... Reporter: What about the planetary engine? Maybe one day when the sun is about to die, we can use the planetary engine to push the earth out of the solar system... Reporter: ???
Have earth persecution paranoia!