Remove Stun spell
I'd probably go with second level to remove the effect, similar to Remove Paralysis. Remove Fear grants a new save (1st level), Remove Paralysis (2nd level) removes the effect if cast on only one creature.
How about (text shamelessly copied from Remove Paralysis):
Remove Stun
Conjuration (Healing)
Level: Clr2, Pal2
Components: V,S
Casting Time: 1 action
Range: Close (25 ft +5ft/2 levels)
Targets: up to four creatures, no two of which can be more than 30 ft apart.
Duration: Instantaneous
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)
You can free one or more creatures from the effects of being stunned, including a mind flayer's mind blast or a monk's stunning attack. If the spell si cast on one creature, the creature is no longer stunned. If cast on two creatures, each receives another save against the effect that caused the stunning with a +4 resistance bonus. If cast on three or four creatures, each receives another save with a +2 resistance bonus.
Any revisions?
Cheers
Richard