Volume 16 (Undying) continues the explosive battles in the Swordsmith Village arc as Tanjiro and the Hashira fight desperately against the overwhelming power of the Upper Rank demons. Muichiro Tokito unlocks hidden memories that reignite his fighting spirit and awaken extraordinary strength. The meaning behind the Demon Slayer Mark begins to unfold, hinting at a dangerous yet powerful transformation. Tanjiro pushes his body beyond its natural limits, refusing to give up even when facing certain death. Mitsuri Kanroji’s emotional vulnerability contrasts beautifully with her immense combat ability. The volume explores themes of identity, legacy, and inner resilience. Each battle sequence feels cinematic and intense. The demon abilities grow more terrifying and complex. Emotional revelations add depth to every strike exchanged. This installment raises the stakes as victory comes at an enormous cost.