Vorpal Executioner 19
Stealth: DC 43 (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: Thievery DC 41 (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 (60) per junction Immunities: critical hits, object immunities, precision damage
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. [b]Melee[/b] saw blade +40 (deadly d12, death), [b]Damage[/b] 6d12+25 slashing plus decapitation; no multiple attack penalty [b]Decapitation[/b] 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.
Reset: The trap resets over the course of the round and can be triggered again 1 round later.
Source: Core Rulebook pg. 525 2.0