One Punch Man Manga released One Punch Man Chapter 173 Which revealed Saitama’s Secret Powers to everyone! As the hero association is trying to keep society from panicking, trying to keep the secret of the monster cells and GOD himself from leaking. We learn about Blast secret past which has been a mystery for the past 20 years. Genos explains Saitama’s fight with Garou to the hero association and his time travel powers. Lastly, we learn the very reason as to why GOD is interesting on earth and why he keeps trying to Gain an Avatar! We go over all of this in detail and explained the final battle between Saitama Vs GOD!