Dangerous Collapsing Debris
Level 3HazardHazardMediumLegacy
AC
0
HP
0
Speed
0 ft.
Perception
+0
Fort
+0
Ref
+0
Will
+0
Stealth
+10
Recall Knowledge DC 18 (arcana)
Disable DC 23 crafting (untrained) to safely shore up the weaknesses in the masonry by replacing rotten wood with other assorted bric-a-brac, DC 20 thievery (trained) to carefully place boards and the like to create bridges over structurally weak areas.
The room initially appears merely dilapidated, but on closer inspection it is positively liable to collapse at any moment.