Cave-in
Level 4HazardHazardMediumLegacy
AC
21
HP
46 (BT 23)
Speed
0 ft.
Perception
+0
Fort
+14
Ref
+14
Will
+0
Stealth DC
12
Immunities critical-hits, precision
Recall Knowledge DC 19 (arcana)
Abilities
Collapse↺
Trigger A creature moves into the unstable tunnel
Effect The tunnel collapses in a cave-in that deals (4d8+10) bludgeoning damage to the triggering creature and all creatures in area A2 (DC 21 reflex). On a failed save, the triggering creature is Immobilized (). This collapse fully blocks the tunnel (area A2 ), making it impassable.
Disable DC 25 survival (trained) to prop up the tunnel ceiling without triggering a collapse
The tunnel collapses, filling the passage with stone.