black mirror

noun2

1. •
   A mirror used to practice divination or other magic rituals.

   • She had marvellous eyes; great, wide-open, and as black and soft as velvet, with a mysterious depth. To look in them was like gazing at a black mirror such as Doctor Dee used in his wizard rites. — 1903
2. •
   Synonym of Claude glass.

noun1

1. •
   A technocratic dystopia of the kind featured in the television series Black Mirror.

   • This AI-generated uncanny-valley metaverse avatar is straight out of Black Mirror.