Subdue:

Subdue a creature to serve you for the duration of the battle.
To do this, cast this spell and roll a D20. The creature will then roll a D20. If it rolls lower than you, it will then be subdued. If it rolls higher than you, it will become enraged, gaining the following:

+3 Offense.
+3 Damage
+3 Defense
Life-points remaining will double.

Effect: 1 targeted creature.
Reagent Gem: 2 Bloodstones.
Value: 80 Gold