Ep 85. The Evil Within Demon's Head Castle

The episode "The Evil Within Demon's Head Castle" is the 85th episode of the fourth season of the anime series Inuyasha. It begins with a group of demons attacking Inuyasha and his friends as they travel through a forest. Inuyasha fights them off, but they are left confused as to why they were attacked.

As they continue on their journey, they come across a strange castle that seems to be cursed. The castle is surrounded by a dark aura, and any demon that enters it is immediately transformed into an evil version of themselves. Inuyasha and his friends are hesitant to enter the castle, but they decide to investigate after learning that the demon who lives there may know the whereabouts of Naraku, the main antagonist of the series.

Upon entering the castle, they are immediately attacked by a powerful demon who seems to be in control of the evil energy that surrounds the castle. Inuyasha and his friends manage to defeat the demon and make their way deeper into the castle, where they encounter more evil versions of themselves.

As they make their way through the castle, they are confronted by a mysterious woman who seems to have some sort of connection to the demon who resides there. She warns them of the dangers within the castle and advises them to leave, but they refuse to give up their search for Naraku.

Finally, they come face to face with the demon who lives in the castle. He is a powerful and ancient demon who has been using the energy of the cursed castle to increase his power. Inuyasha and his friends engage in a fierce battle with the demon, but they are quickly overwhelmed by his strength.

Just when all seems lost, they are saved by the mysterious woman, who reveals herself to be a powerful priestess. Together with the priestess, they are able to defeat the demon and put an end to the curse that has plagued the castle for centuries.

As they leave the castle, Inuyasha and his friends realize that they are one step closer to finding Naraku. However, they also realize that their journey will only become more dangerous as they continue down the path of their quest.

Overall, "The Evil Within Demon's Head Castle" is an action-packed episode that blends elements of horror and fantasy to create an engaging and suspenseful story. It introduces new characters and adds depth to the show's mythology, making it a must-watch for fans of Inuyasha.