
Demor, or Denior, is a demon mentioned in the Munich Manual who can cause hallucinations and delusions and make massive castles appear. When summoning him, conjurers venture to a covert location where they offer him milk and honey.
The Aspidochelone is creature, found in medieval bestiaries, that appears to be an island with trees, dunes, and rocky crevices—but is in reality a giant whale, sea turtle, or other sea monster. Sailors who unwittingly explored the ‘island’ found their ships and themselves in peril. Image: JaniceDuke