Dragon Ball My Name Is Krillin

Why did the earthlings become soy sauce characters in the late Dragon Ball?Why are Saiyans and Friezas able to have good combat power from birth?Why is it all about the confrontation between gods and gods in the later stage?Why do people on earth have been trampled under their feet?The earth is going to be destroyed every now and then, and my earth is going to be destroyed by you all the time?No! I am absolutely not convinced that I was reborn as Kelin! wait and see!Wait until I get rid of you scumbags and protect my earth!As a purebred earthling, I want to absolutely achieve a counterattack!He is endowed with the invincibility of Saitama-sensei, he doesn’t make a move easily, and he will see blood when he makes a move