Summoning Rune (Cinder Rat)

Level 5Hazard (Complex)
HazardMediumLegacy
AC
10
HP
0
Speed
0 ft.
Perception
+0
Fort
+0
Ref
+0
Will
+0
Stealth
+12
Recall Knowledge DC 20 (arcana)
Disable DC 22 acrobatics (trained) to approach without triggering the trap, followed by DC 22 thievery (trained) to erase the rune or Dispel Magic (3rd rank; counteract DC 20) to counteract the rune

An invisible cloud of magical sensors detects living creatures in the room and summons fire elementals to slay the creatures.