My Invincibility Only Lasts Three Seconds

Zhao Zhao is invincible. Lasts three seconds and cools down all day. The world is so dangerous, and after three seconds of being invincible, he is just an ordinary boy. I can't live without the reputation of being invincible! This ability is unreliable! Zhao Zhao decided to keep a low profile and just get subsidies from the gangster practitioners. As for saving the world? Let's talk about it when he can hold on for a minute... He trained hard, worked hard, went through all kinds of difficulties and dangers, and traveled to secret realms and other worlds, just to increase the duration of his invincibility. But things didn't go as he expected and developed in an absurd direction. … "Are you going to be a coward for the rest of your life, or are you going to be a hero, even for just three seconds?" "Why only three seconds? I want to be this for the rest of my life, okay?"