Watch One-punch Man - 09 Official

Later, Saitama and Mumen Rider share a meal at an oden stand, where Mumen Rider thanks him, cementing their bond.

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.

Due to his actions, Saitama is promoted to B-Class (Rank 101). Watch One-Punch Man - 09

While other heroes were defeated and the public was in despair, Mumen Rider's bravery inspired the crowd.

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 Later, Saitama and Mumen Rider share a meal

Just as the Deep Sea King is about to destroy Mumen Rider , Saitama arrives. In a single, calm punch, Saitama obliterates the Sea King, stopping the rain and ending the threat instantly. 4. The Aftermath: Justice vs. Popularity

He delivers a powerful monologue, acknowledging that while he knows he cannot defeat the monster, his duty as a hero is to stand and fight regardless. He is mercilessly beaten, nearly to death, but refuses to back down. 3. Saitama’s Intervention While other heroes were defeated and the public

The episode serves as a powerful reminder that in One-Punch Man , heroism isn't just about power; it is about the willingness to stand up for others, even at a personal cost.