Kimetsu No Yaiba Episode 21 [BEST]
, titled "Against Corps Rules," serves as the emotional conclusion to the Natagumo Mountain Arc, balancing a tragic villain backstory with high-stakes tension between the Hashira . Rui’s Tragic Backstory
As he disintegrates, Rui realizes his parents actually intended to die with him out of love. Tanjiro, sensing his grief, shows mercy by placing a hand on his back. In the afterlife, Rui reunites with his parents, who promise to stay with him even in hell. Conflict Within the Corps
Shinobu Kocho attempts to kill Nezuko, but Giyu Tomioka intervenes to protect them, violating the code he previously upheld. Kimetsu no Yaiba Episode 21
The conflict is halted by a Kasugai Crow delivering orders to take Tanjiro and Nezuko into custody.
The episode ends with a bound Tanjiro waking up at the Demon Slayer Headquarters, surrounded by the elite Hashira. Demon Slayer: Kimetsu no Yaiba Episode 21 Review , titled "Against Corps Rules," serves as the
During their standoff, Shinobu famously teases Giyu, stating that nobody likes him—a moment fans often cite as a series highlight.
The episode opens with the final moments of Rui, the Lower Rank Five demon. In the afterlife, Rui reunites with his parents,
The rest of the team—Inosuke and Zenitsu—are rescued and sent for treatment at the Butterfly Mansion.