After the Nuclear War, It Turns Out You Really Know How to Fly with a Sword

What? ! Destroy a building with one punch? Oh, you call this Gu Wu! Damn it! That guy is flying with a sword in the sky? ! Alien beasts invaded and I was running on the ground. You know how to wield a sword but don't know how to fight monsters? Are you running with us? ! Etc! Isn't that Transformers? Oh, the mecha that your family spent a lot of money to buy before the end of the world! In peacetime, how many trump cards do you people hide? ! Li Chuan was completely dumbfounded. Seeing all kinds of gods, demons and monsters showing off their magical powers, he realized that he was actually the most useless one!