Hōzuki Castle (Fanon)

"The...the Blood Prison?! Please, please, anywhere but there!!"

- A Missing-nin's fear of Hōzuki Castle.

The Hōzuki Castle (鬼灯城, Hōzuki-jō, Literally meaning: "Demon Lantern Castle"), otherwise regarded as the Blood Prison (ブラッド・プリズン, Buraddo Purizun) is an extremely large castle that serves as a prison for the most dangerous of Missing-nin and associated criminals across the and beyond. It is located in an obscure location within and is incapable of being accessed via ordinary means due to the harsh terrain that surrounds it. Its first master (主, aruji) was. However, following his death, the Shinobi villages took regular rotations in guard duty, before finally passing this duty onto. Following Kahyō's death, Mukūrō was put under the position as a testament to his abilities, but also to ensure that he is constantly kept in check. It is currently the largest and most diabolical prison in the world, with a reputation for being impenetrable inside and out.