Krooth Summoning Rune

Level 8Hazard (Complex)
HazardUncommonMediumLegacy
AC
0
HP
10
Speed
0 ft.
Perception
+0
Fort
+0
Ref
+0
Will
+0
Stealth
+14
Recall Knowledge DC 26 (arcana)
Disable DC 24 acrobatics to approach without triggering the trap followed by DC 26 thievery (expert) to erase the rune, or Dispel Magic (4th rank; counteract DC 24) to counteract the rune.

The haze conceals a rune that summons a krooth in front of the door to area B10.