From Pathfinder #202: Severed at the Root, which isn't enabled.

Fungal Exhalation

FOCUS 3

UNCOMMON CONCENTRATE DRUID FOCUS FUNGUS MANIPULATE

Cast

Area 15-foot cone

Defense basic Reflex

You exhale toxic mold spores that fill the area. You deal 6d4 poison damage to creatures in the area. On a failure, a creature is also Sickened 1, or Sickened 2 on a critical failure. A creature that doesn't breathe is immune to this effect.

Heightened (+1) The damage increases by 2d4.

Pathfinder #202: Severed at the RootORC