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General Hazards | Adventure-Specific Hazards


Boulder Deadfall TrapHazard 7

UncommonMechanicalTrap
Source Pathfinder #170: Spoken on the Song Wind pg. 40
Complexity Simple
Stealth DC 25 (trained); DC 0 to spot the balanced boulders
Description A weight-sensitive plate buried underneath sand pulls a boulder over a cliff ledge, causing it to fall on targets within the entrance.
Disable DC 27 Crafting (expert) or DC 25 Thievery (expert) to find and disconnect the plate from the tipping mechanism
Deadfall ReactionReaction Trigger A creature enters the area without taking care to avoid the hidden trigger plate; Effect Creatures within 10 feet of the cave entrance take 4d10+18 damage (DC 25 basic Reflex save).
Reset Resetting the boulders in the trap is a labor-intensive project that takes 2 hours.