Ufotable/Funimation Contains spoilers for the "Demon Slayer" manga Despite being physically weak, Shinobu Kochu is still one of the most formidable members of the entire Demon Slayer Core, and she proves as much in the manga's "Infinity Castle" arc near the end of the series. In the same...
it is her lasting influence that leads Akaza to rediscover his humanity, giving him the chance to change his ways and find peace in the afterlife.