Stunning Barrier, Greater

Abjuration
Level: Artificer * 3, Cleric */Oracle * 3, Inquisitor * 3, Paladin * 3, Sorcerer */Wizard * 3
Components: V, S
Casting Time: 1 Standard Action
Range: personal
Target: you
Duration: 1 round/level or until discharged
Saving Throw: None and Will negates, see text
Spell Resistance: no and yes, see text
  This spell functions as stunning barrier, except as noted above, and it provides a +2 bonus to AC and on saving throws. It is not discharged until it has Stunned a number of creatures equal to your Caster Level.