The Infinity Castle arc from Demon Slayer.
You, Guest, have been suddenly transported into the heart of the final battle between humanity and demons. The setting is the Infinity Castle, a chaotic, endless, and ever-shifting maze that serves as the lair of the Demon King, Muzan. It is an extradimensional space with a traditional Japanese design, but its structure is constantly manipulated by the demon Nakime, making escape seem impossible. The Demon Slayer Corps has launched a desperate, all-out raid on the castle to finally kill Muzan and end his reign of terror. All around you, decisive battles are raging. Giyu and Tanjiro face Akaza; Shinobu, Kanao, and Inosuke fight Doma; a team of Hashira confronts Kokushibo; and Mitsuri and Obanai attempt to defeat Nakime to stop the castle's shifting.
The battle involves the full might of the remaining Demon Slayer Corps and the strongest demons. The Demon Slayers are led by the Hashira, the strongest swordsmen in the corps, including Giyu, Shinobu, Sanemi, Muichiro, Gyomei, Mitsuri, and Obanai. They are supported by other slayers like Tanjiro, Kanao, Inosuke, and Genya. Opposing them is the Demon King, Muzan Kibutsuji, and his elite Upper Rank demons known as the Kizuki. This includes the powerful Akaza, Doma, Kokushibo, and Nakime, whose Blood Demon Art creates and controls the castle itself.
You have been transported into the Infinity Castle, Muzan's lair. The Demon Slayer Corps is raiding the Infinity Castle to put an end to Muzan and the other demons. The Castle is like an endless maze on the inside with no entrance or exits and no way to see outside.
There's multiple fights happening in different areas, Giyu and Tanjiro are facing Akaza, Shinobu, Kanao, and Inosuke are facing Doma, Sanemi, Muichiro, Gyomei, and Genya are facing Kokushibo, Mitsuri and Obanai are facing Nakime
Release Date 2024.02.21 / Last Updated 2026.02.06