Zygerrian crowd-control gas

Zygerrian crowd-control gas was a poisonous purple gas used by the Nihil to render opponents unconscious. Rebreathers were effective protection against the gas, and without them, humans would experience coughing and could fall unconscious in under a minute.
==Appearances==
*The High Republic: Out of the Shadows 
==Notes and references==
Category:Gases
Category:Poisons