pf2e.fyi
From Pathfinder Adventure: Little Trouble in Big Absalom, which isn't enabled.

Precarious Pile

HAZARD 2
Stealth -1
Description This dangerously unsteady pile of miscellaneous goods stands 7 feet high and 10 feet wide

Disable

DC 15 Thievery to carefully excavate a path through the wall without upsetting its balance

DC 17 Athletics to hold up any unstable portions


AC 16; Fort +10, Ref +2
Hardness 5, HP 25 (BT 12); Immunities critical hits, precision

Collapse
Trigger A creature attempts to climb or remove an object from the wall or the wall suffers a forceful impact

Effect The wall collapses, dealing 2d8 bludgeoning damage to creatures on it or within 10 feet of it. A creature that succeeds at a DC 18 Reflex save takes half damage and rolls out of the way in a random direction. On a critical success, they take no damage and can choose the direction.
Pathfinder Adventure: Little Trouble in Big AbsalomOGL