disease evil necromancy 

Traditions divine, occult

Cast [>>] somatic, verbal

Range touch; Targets 1 creature

Saving Throw Fortitude

You touch the target to afflict it with ghoul fever, infesting it with hunger and a steadily decreasing connection to positive energy; the target must attempt a Fortitude save.

Critical Success The target is unaffected.Success The target is afflicted with ghoul fever at stage 1.Failure The target is afflicted with ghoul fever at stage 2.Critical Failure The target is afflicted with ghoul fever at stage 3.

Ghoul Fever (disease) Level 3; Stage 1 carrier with no ill effects (1 day); Stage 2 3d8 negative damage and the creature regains half as many Hit Points from all healing (1 day); Stage 3 as stage 2 (1 day); Stage 4 3d8 negative damage and the creature gains no benefit from healing (1 day); Stage 5 as stage 4 (1 day); Stage 6 the creature dies and rises as a ghoul at the next midnight

Core Rulebook, page 341.