Webthe concluding chapter offered a hopeful outlook on the future that tanjiro and his comrades fought valiantly to secure.
However, not every cherished character reached.
Webin the end, shinobu was reunited with kanao in the afterlife, while muzan's reign of terror came to an end soon afterward.
What happened to muzan after his defeat?
After his defeat, muzan disintegrated, leaving no trace of his existence.
His reign of terror had come to an end.