Review Detail of PP2P3P in Sacrifice's Rise: I Became Invincible After Entering Godslayer Temple

Why is the story written like we had no idea that MC has such a high level that he can kill everything in an instant. Read through 120 chapters and it still keeps going on. Others: will you be okay, MC: I will, Other: for real?, MC: Just barely. And all time the same retarded cycle.