Thief's Trap

Level 20Hazard
HazardMediumLegacy
AC
0
HP
0
Speed
0 ft.
Perception
+0
Fort
+0
Ref
+0
Will
+0
Stealth
+40
Recall Knowledge DC 40 (arcana)
Disable DC 45 thievery (master) or Dispel Magic (10th rank, counteract DC 50) to counteract the runes

Nearly imperceptible runes set off an explosion at the point a thief is most unable to receive aid.