Volume 18

"Limiter" (リミッター, Rimittā) is the eighteenth volume of the One-Punch Man manga series.

Summary
Garou has just left the Monster Association’s hideout when he crosses paths with Saitama, who’s in quite a pinch, but Saitama still doesn't know Garou is the Hero Hunter. Later, Royal Ripper can no longer hold back his murderous urges and confronts Garou himself!