curse death necromancy 

Traditions arcane, divine, occult

Cast [>>] somatic, verbal

Range touch; Targets 1 living creature

Saving Throw Fortitude

You utter a curse that a creature will meet a certain end—a death by freezing, stabbing, or another means you devise. Choose one type of damage from the following list: acid, bludgeoning, cold, electricity, fire, negative, piercing, slashing, or sonic. The effect is based on the target's Fortitude save.

Critical Success The target is unaffected.Success The target gains weakness 2 to the chosen damage type until the end of your next turn.Failure As success, but the duration is 1 minute. If the creature is reduced to 0 HP by the chosen damage and its level is 7 or less, it dies.Critical Failure As failure, but the duration is unlimited.

Heightened (+2) The weakness increases by 1, and the maximum level of creature that can be automatically killed increases by 4.

Advanced Player’s Guide, page 224.