Cure Critical Wounds (Theurgy)
Level: Druid 4, Priest 4, Healing 4, Bard 4, Paladin 4, Ranger 4, Blackguard 4
Mana: Variable. Base Success: 90%.
  Heals you of 4d8 + your level in hit points of damage, to a maximum of 4d8+20, with a hit point to mana ratio of 3 per 1. Healing spells disrupt unlife, inflicting twice the damage to an undead creature they would have healed in a living one.