Collapsing Ceiling (3-4)
Level 3HazardHazardMediumLegacy
AC
10
HP
10
Speed
0 ft.
Perception
+0
Fort
+1
Ref
+1
Will
+0
Stealth
+10
Recall Knowledge DC 18 (arcana)
Disable DC 22 crafting (trained) to reinforce the ceiling with boards from the broken door.
The damaged ceiling is the only thing stopping the centipedes lairing above from falling through.