Mass Cure Critical Wounds

Caster Level(s): Cleric 8, Druid 9
Innate Level: 8
School: Conjuration
Descriptor(s):
Component(s): Verbal, Somatic
Range: Short
Area of Effect / Target: Huge, up to 1 Target / Level
Duration: Instant
Additional Counter Spells:
Save: Will for 1/2
Spell Resistance: Yes

The target creatures are healed of 4d8 points of damage, + 1 point per caster level to a maximum of +40. Healing spells have a reverse effect on undead, harming instead of healing them.