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Methane FlueHazard 8

Legacy Content

Environmental 
Source Pathfinder #177: Burning Tundra pg. 33
Complexity Simple
Stealth DC 28 (expert) to hear hissing gas
Description Invisible but highly flammable natural gas has built up beneath the ground, where geological pressure can ignite it.
Disable Survival DC 28 to dig around the vent in a way that diffuses the fumes
Flame Spurt [reaction] Trigger A creature moves within 5 feet of the flue; Effect A fiery geyser of flaming gas explodes from the ground. Creatures within 5 feet of the flue take 4d10 fire damage (DC 30 basic Reflex save); creatures that fail the save also take 4d10 persistent fire damage.