Treacherous Scree
HAZARD 3 +13 (trained)
The footing on this sloped ground appears to be stable at first glance, but the tiny rocks that cover it are loosely packed and prone to slipping.
DC 20 Survival (trained) to navigate a safe path
AC 10
Rockslide
A creature steps on the unstable ground.
Rocks tumble and slip beneath its feet. The triggering creature must attempt a DC 21 Reflex save as they tumble against the rocks, which deal 2d10+13 bludgeoning damage.
Critical Success The creature takes no damage.
Success The creature takes half damage and falls prone in its space.
Failure The creature takes full damage, falls prone in its space, and tumbles down to the bottom of the slope.
Critical Failure As failure, but double damage.
Pathfinder Gamemastery GuideOGL