Season 1, Episode 9 of One-Punch Man , titled (or "Unbending Justice"), is widely considered a pivotal, emotional high point of the series. It concludes the intense Deep Sea King arc, shifting from the flashy action of S-Class heroes to a profound look at what defines a true hero. 1. Genos’s Sacrifice
While other heroes were defeated and the public was in despair, Mumen Rider's bravery inspired the crowd. Watch One-Punch Man - 09
Knowing he is completely outmatched by the Sea King, Mumen Rider fights with pure conviction to protect the people, earning the crowd's cheers and the respect of the battered heroes. Season 1, Episode 9 of One-Punch Man ,