Dragon's Mountain - Technique
Noxious Cloud
Rank: 3
Activation: As an Attack action, you may use two doses of any single poison and make a TN 2 Medicine (Air) check targeting each other character at range 0–2.
Effect: If you succeed, each target suffers 3 physical damage, ignoring their resistance. This damage counts as being inflicted by a weapon envenomed with the poison you chose (see page 244).
New Opportunities
Air L: Move 1 range band.
Air L+: Until the end of the scene, the area at range 0–2 becomes Obscuring and Dangerous terrain.
Air LL+: If you succeed, one target per LL spent this way suffers a critical strike with severity 2.
Source: Core Book Pg. 227