Demon Slayer: Kimetsu No Yaiba's latest installment revolves around the demon slayers training relentlessly for an all-out battle with Demon King Muzan Kibutsuji and his underlings. With Nezuko having conquered the sun, Muzan is now desperate to achieve his lifelong goal of becoming immortal. The Hashira Training arc acquaints fans with the tension between humans and demons before a conclusive confrontation in the Infinity Castle arc and the Sunrise Countdown Arc.