Demon Slayer- Kimetsu No Yaiba - Infinity Castle -

In a shocking twist, it is the demon doctor who defeats the fortress. Using a drug concocted from her own cells, she creates a "Muzan-seeking" compound. When Muzan absorbs this drug, he inadvertently rejects the cellular link that allows Muzan to control Nakime’s castle.

Upon entering the castle, Nakime forcefully separates the Demon Slayer Corps members, forcing them into isolated, life-or-death duels with the remaining Upper Ranks. Infinity Castle | Kimetsu no Yaiba Wiki | Fandom Demon Slayer- Kimetsu no Yaiba - Infinity Castle

Agatsuma Zenitsu falls alone. His eyes are closed, but he has never seen more clearly. He hears the castle breathing. He hears the distant tear of fabric as Daki’s obi strikes. But most of all, he hears him . Kaigaku. The boy who was once his brother. The boy who became a demon. In a shocking twist, it is the demon