How Come You Can Kill Someone with Super Powers After a Long Time with Just One Punch?

(Shuangwen) + (City) + (Superpower) When the whole world began to awaken to supernatural powers, I was the only one still doing push-ups... What? Have you awakened the superhuman rubber power? Want to conquer the sea? My hair, what are you doing! You think you are Wang Lufei! Hey, hey, that guy over there shouting Fire Fist! Minors cannot play with fire! It's you. If you have laser eyes, just wear your glasses and don't look around. That guy over there playing with a hammer! What's going on with the lightning on your body? Yes, it's you! Don't think that I'm afraid of you if you wear your underwear outside! … My name is Wang Defa I have traveled through time Just when I thought I was going to tremble in this world where strong men were running around and there were as many mutations as dogs. I never expected that after my unremitting efforts, Finally, I became stronger and...