curse necromancy 

Traditions divine, occult, primal

Cast [>>] somatic, verbal

Range 30 feet; Targets 1 creature

Saving Throw Fortitude; Duration varies

You inflict a curse upon the target that causes any wound to gush blood. The target must attempt a Fortitude save.

Critical Success The target is unaffected.Success For 1 minute, the first time each round that the target takes at least 10 piercing or slashing damage from a single Strike, it takes 2d6 additional damage of the same type.Failure As success, but when it takes the additional damage, it also takes 2d6 persistent bleed damage.

Heightened (+2) The additional damage increases by 1d6 and the persistent bleed damage increases by 1d6.

Secrets of Magic, page 92.