Tie Jia Xiao Bao's Doomsday Judgment

Have you ever wondered why Captain Dragonfly, who can drive thunder and lightning, is willing to be a referee? Since he is not Grandpa Xiaorang, then who is he? In the last chapter, what exactly is the thing that Grandpa Xiao brought with a frame truck (which can prevent the destruction of the earth)? The Peace Star originally only came out every 60,000 years, but just one year after its patron saint left, the 13 Peace Stars came again...