Hanako-san demonstrated a new defensive mechanism. The geometry of the restroom temporarily warped. The mirror reflected a timeline where the school was still active, filling the room with the auditory hallucination of children laughing. The Exorcist did not break focus, utilizing a specialized acupuncture needle (spiritual grounding technique) inserted into his own temple to maintain a tether to the present reality.
The two named elements are well-known in Japanese folklore/manga: Toilet no Hanako-san vs Kukkyou Taimashi - 04 -...