One-Punch Man, Vol. 30

The war against the Monster Association leaves heroes seriously wounded, and things get worse when Garou emerges transformed into a full monster. Bang, his old teacher, is the only one left standing to face him down, setting up a master-versus-pupil showdown decades in the making.

Volume 30 of One-Punch Man steps back from Saitama to focus on Bang and his tragic history with his former student, using flashbacks to his past to deepen a fight that is as much about grief as it is about strength.