Explosive Steam Trap
Level 7Hazard (Complex)HazardMediumLegacy
AC 25
HP 50 (BT 25)
Speed 0 ft.
Fort +18
Ref +15
Will +0
Perc +0
Size Medium
Common
Complex Hazard
Stealth +10
Disable DC 18 thievery (trained) to disarm the desk switch; DC 28 thievery (expert) to disarm the trapdoor charge
Immunities critical hits, precision
Recall Knowledge arcana DC 23
Abilities
Explosive Charge↺
Trigger The desk switch is pressed or the trapdoor is opened --- Effect The charge on the door explodes. All creatures within 10 feet take 2d10+6 fire damage and 1d10+3 piercing damage, and 1d6 bleed (DC 22 reflex). The room is filled with steam, making all creatures within the room Concealed. The trap then rolls initiative.
Description
A black‑powder charge fastened to a trapdoor (marked with a "T" on the map) blows a hole in a steam tunnel, filling the room with superheated steam.