Toxic Brazier Trap CR 5
Type mechanical Perception DC — (sprung); Disable Device DC 20
Once the trap is disabled, its vapors quickly dissipate, decreasing the ungol dust poison’s DC by -1 per round in all affected areas, until 15 rounds pass and the threat is entirely gone.
Pathfinder Module D4: Hungry Are the Dead. Copyright 2008, Paizo Publishing, LLC. Author: Tim Hitchcock.