pf2e.fyi

Poisonous Mold

HAZARD 2
Stealth +11 (trained)
Description This grotesque fungus releases poisonous spores when a creature comes near.

Disable DC 18 Survival (trained) to safely remove the mold

AC 18; Fort +11, Ref +5
HP 30 (BT 15); Immunities critical hits, precision; Weaknesses fire 10

Feed on Decay

The mold expands when fed by blood or decay. If at any point a creature takes bleed damage while adjacent to the mold or a dying or dead body is adjacent to the mold, the mold grows to expand into every square adjacent to its current space. This can happen only once per day.

Spore Burst (poison)
Frequency once per day
Trigger A creature touches the mold, hits it, or damages it

Effect The mold explodes in a burst of spores and mold clusters, dealing 2d6+6 poison damage to creatures within 10 feet of it, with a DC 18 basic Fortitude save.
Floating Spores (aura, poison)

5 feet. A creature that enters or starts its turn in the aura takes 2d6 poison damage.

Reset Unless entirely eradicated (typically with acid or fire), the mold regrows over the course of 2 weeks.
Pathfinder GM CoreORC