Unit Curse is a Spell Type and category of spells in Master of Magic. Like all other Curses, Unit Curses are meant to have a permanent effect - lasting as long as the Curse remains in play. Spells in this category are meant to be used on enemy units, reducing their combat effectiveness or hindering their performance in other ways. A Unit Curse can only be used during combat, and must be targeted at an enemy unit. Often, the enemy unit gets a chance to Resist the curse, possibly while suffering a penalty to its Resistance score.