Muesello's Greater Summoning Rune

Level 5Hazard (Complex)
HazardUncommonMediumLegacy
AC
0
HP
0
Speed
0 ft.
Perception
+0
Fort
+0
Ref
+0
Will
+0
Stealth
+13
Recall Knowledge DC 22 (arcana)
Disable DC 21 acrobatics to approach without triggering the trap followed by DC 23 thievery (expert) to erase the rune, or Dispel Magic (3rd rank; counteract DC 20) to counteract the rune

A cloud of invisible magical sensors in a 5-foot radius surrounds an invisible wall or floor rune the size of the creature to be summoned.