Arcane Feedback Trap
Level 13HazardHazardMediumLegacy
AC
10
HP
0
Speed
0 ft.
Perception
+0
Fort
+0
Ref
+0
Will
+0
Stealth
+25
Recall Knowledge DC 31 (arcana)
Disable DC 33 arcana (master) to quell the rippling stone or Dispel Magic (7th rank, counteract DC 31) to dispel the magical feedback.
A spike of stone bursts from the south wall and quickly retracts.