Burning Blood (Thaumaturgy) [Fire]
Level: Mage 4, Blackguard 4
Mana: 7. Base Success: 90%.
  Causes a victim's blood to boil, dealing 2d6 points of fire damage and 1d6 points of unblockable damage to him every turn for your caster level in rounds. Can only be cast on victims that possess blood.