Black Rain
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Dog Terms

Black Rain

Human Terms

Acid Rain

Book Appearances

The Empty City

Black rain is harmful acidic rain with a sharp acrid scent.[1] It is related to the ruined city, and it poisons water so dogs are forced to run away from it.[1] It is probably acid rain, as acid rain matches the characteristics of the dog term.[1]


In the Original Series

The Empty City

Coming Soon


  • Gillian said that Black Rain is like acid rain, and explained that it is fallout from the chemical disaster that was caused by the big growl.[2]

References and Citations

  1. Citation Needed
  2. Revealed on Gillian's Facebook