The Evil Within Demon's Head Castle is the eighty-fifth episode of the InuYasha anime.


  1. Inuyasha and his friends meet an old exorcist and she tells them of the curse of the demon's head castle, where the head of a demon was supposedly buried underneath.
  2. They all go to the castle to investigate, and find that the lord has likely been possessed; they learn that a massive demonic aura is surrounding the castle, though the exorcist is unable to sense it.
  3. Many monks and priestesses have tried to exorcise the demon before, but with no success.
  4. The princess of the castle takes Miroku down to where the demon's head had been buried; it is revealed that she is actually the demon, and lured him down there to devour him.



Inuyasha and his friends run into an old woman, Madame Exorcist, fighting a demon and save her. After she introduces herself as a demon exorcist, they decide to join her to fight an oni haunting a nearby village.

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Characters in Order of Appearance


  • Opening Theme — Owarinai Yume — TV OST Vol. 3
  • Inuyasha recalls how Naraku disappeared — Like a Storm (Shippū no Gotoku) — TV OST Vol. 2
  • Priestess exorcises weasel demon — Shōki — TV OST Vol. 2
  • Priestess says there is an increase in demons — Dead Soul (Shinidama) — TV OST Vol. 1
  • Lord senses girl spying on him, he kills her — Tsubaki the Dark Miko (Kuromiko Tsubaki) — TV OST Vol. 2
  • The girl’s corpse is carried outside — Sign of Unrest (Fuon na Kehai) — TV OST Vol. 1
  • The demon head appears, Sango’s Hiraikotsu does not work — Fierce Fighting (Gekitō) — TV OST Vol. 2
  • Inuyasha’s Wind Scar fails again, Miroku exorcises the demon — Ryūkotsusei Resurrected (Yomigaeru Ryūkotsusei) — TV OST Vol. 2
  • Castle servant guides Inuyasha, Miroku says the lord is a human — Demon Brother Sesshōmaru (Yōkei Sesshōmaru) — TV OST Vol. 1
  • Miroku tells Sango he still likes her — Osuwari! — TV OST Vol. 1
  • Miroku walks with the princess down the stairs — Evil Spirits Desiring the Shikon no Tama (Shikon no Tama o Nerau Chimimōryō) — TV OST Vol. 1
  • Miroku sees the bones of priests — Sign of Unrest (Fuon na Kehai) — TV OST Vol. 1
  • Lord starts attacking castle people; Miroku reveals the princess’ demonic self and Inuyasha prepares to fight the lord — Inuyasha’s Metamorphosis (Hengeshita Inuyasha) — TV OST Vol. 2
  • Ending Theme — Every Heart — TV OST Vol. 3


  • Madame Exorcist may have truly been one in her prime, but it seems her spiritual powers and awareness have left her in her old age.