Don't Tell Me You Think Cultivating Immortality Is Difficult?

A humble rookie seeks the path to immortality only to accidentally join a sect full of pretentious con artists. His seven senior brothers brim with confidence, taking turns spouting out fabricated divine techniques. But no one expected this newcomer to be a genius. He actually comprehends everything even their nonsense! In the end, the master falls into despair. Just who is this junior disciple?