Deadly Gas: What would life be without deadly neurotoxin? Yes, much like the nuclear weapons (see: Nuclear Weapons Taboo) and flame weapons (see: Kill It With Fire), no-one ever got around to telling the Imperials that this sort of thing wasn’t sporting in real wars, and they wouldn’t have listened to them anyway.
This is a companion discussion topic for the original entry at https://eldraeverse.com/2012/09/14/trope-a-day-deadly-gas