Occult Hall
The Little Treasury · LESSON 12 OF 13

The invisible cause of a visible effect

Compare magnetic deception with talismanic and elemental explanations, showing how the compiler distinguishes hidden causes instead of rejecting all invisible action.

11 min study Member lesson Sources & context
A hidden lodestone moves an iron piece in a staged mandrake display while an assistant holds a visitor’s note.ILLUSTRATED FOR THIS LESSON
A choice for this device

Essential storage

Always on

Needed for sign-in, account security and remembering your storage choice. These features cannot be switched off here.

Turning this off clears optional reading records on this device and stops automatic syncing. It does not delete your account or progress already saved to it.

Analytics & advertising: we currently use no trackers for either purpose.