Rolling Death

Level 4Hazard
HazardUncommonLargeRemaster
AC
0
HP
0
Speed
0 ft.
Perception
+0
Fort
+0
Ref
+0
Will
+0
Stealth
+12
Recall Knowledge DC 21 (arcana)
Disable DC 22 thievery (trained) to set the trip wire to a different anchor point without changing the tension

A trip wire hidden in the dust of the midway point of the floor releases a large boulder to roll from the northwestern corridor toward A4 , crushing anything it meets.