Dark Spark (ability)

Dark Spark, also known as DrkShock, BlakShock, and Dark Shock, is a recurring ability in the series. It generally halves the target's Level.

Final Fantasy V
Dark Spark is a Blue Magic spell that a Blue Mage may learn from the Black Flame, Strapparer, Ushabti, Hades, Azulmagia, Shadow, and Druid enemies. It costs 27 MP to cast. The player may utilize Dark Spark by catching and releasing a Black Flame.

Final Fantasy XII
Dark Shock is an enemy ability used by Gargoyle Baron, Piscodaemon, Mindflayer, Larva Eater, and Arioch. It inflicts either Blind or Sap at a 70% chance as well as Dark-elemental physical damage to one ally.