pf2e.fyi

Vorpal Executioner

HAZARD 19
Stealth +33 (expert)
Description A wickedly sharp saw blade descends and travels along grooves in a complex path throughout the room, attempting to decapitate everyone within.

Disable DC 41 Thievery (expert) at four different junctions to jam all the saw blade's possible paths, preventing it from traveling through the room

AC 43; Fort +32, Ref +32
Hardness 30, HP 120 (BT 60) per junction; Immunities critical hits, precision

Total Decapitation
Trigger A creature attempts to exit the room.

Effect The saw blade travels along its path, making one Strike against each creature in the room, twisting and varying its height for a maximum chance of beheading its targets.
Decapitation

On a critical hit, a target must succeed at a DC 39 Fortitude save or be decapitated, dying instantly unless it can survive without a head.

Melee Saw Blade +40 (deadly d12, death), Damage 6d12+25 slashing plus Decapitation

No multiple attack penalty

Reset The trap resets over the course of the round and can be triggered again 1 round later.
Pathfinder GM CoreORC