Gas Trap

Stealth

+14 (trained) to smell the poison gas or hear it hissing

Disable

Four DC 20 Thievery checks to block the gas vents, or a DC 26 Thievery check to unlock the door and escape

Door Hardness

13

Door HP

52 (BT 26)

Immunities

critical hits, object immunities, precision damage

Toxic Gas [Reaction]

Routine

Each round on its initiative count, the trap pumps more toxic gas into the room. Any breathing creature in the room takes 4d6 poison damage (a successful DC 22 Fortitude save halves the damage taken).