Methane Flue
Level 8HazardHazardMediumLegacy
AC
10
HP
0
Speed
0 ft.
Perception
+0
Fort
+0
Ref
+0
Will
+0
Stealth DC
18
Recall Knowledge DC 24 (arcana)
Abilities
Flame Spurt↺
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 reflex); creatures that fail the save also take 4d10 persistent fire damage.
Disable DC 28 survival to dig around the vent in a way that diffuses the fumes
Invisible but highly flammable natural gas has built up beneath the ground, where geological pressure can ignite it.