Explosive Steam Trap

Level 7Hazard (Complex)
HazardMediumLegacy
AC
25
HP
50
Speed
0 ft.
Perception
+0
Fort
+18
Ref
+15
Will
+0
Stealth
+10
Recall Knowledge DC 23 (arcana)
Disable DC 18 thievery (trained) to disarm the desk switch; DC 28 thievery (expert) to disarm the trapdoor charge

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.