A9WK's mystery, solved by Eric: the wizard walked through an illusion
wall it disbelieves, and the viewer — still deceived — watched the
camera slide through solid stone. The deception stays intact, but the
crossing now performs: any body stepping through an edge the VIEWER
holds as wall (which can only be an illusion the mover saw through)
shimmers on both faces, with the stone-gray wash when the eyes
themselves cross. Same dressing Pass Wall wears.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>