pf2e.fyi
From Pathfinder Society Quest #22: Friends in Need, which isn't enabled.

Lightning Strikes (3-4)

COMPLEX HAZARD 3
Stealth +8
Description The air grows thick as the Planes of Metal and Air both bleed into the swamp once again. A small fissure opens, causing static electricity to build and, fueled by the increased presence of metal in the area, sparks begin to fly. Electrical discharges begin to break out reaching from objects to unlucky creatures.

Disable Arcana,nature,thievery check (trained) three times to counter the planar energies.


Bolt from the Blue!
Trigger A non-elemental creature approaches within 20 feet;

Effect A bolt of electricity targets the creature for 3d4 electricity damage with a DC 18 basic Reflex save. The hazard then rolls initiative.
Routine (3 actions) On its turn each round, the electrical discharge randomly targets two creatures dealing 3d4 electricity damage. A targeted creature must attempt a DC 18 basic Reflex save.
Pathfinder Society Quest #22: Friends in NeedORC