Curse of Foul Blight

This spell curses a creature on the same plane of existence as you with a putrefying and stinking pox. The target must make a Charisma saving throw against the spells DC, which is modified by the Curse Strength Table. On a successful save, the target becomes aware that somebody attempted to curse them. On a failed save, the target becomes cursed and is unaware of this. Upon completion of this curse's triggering event, the target automatically advances to stage 1 of this curse.

Triggering Event. The target searches their backpack, clothes drawer, or wherever else they store garments, they find an infestation of insects..

Stage 1. The cursed creature is afflicted with a minor cough. Whenever they speak more than a few words at a time, they break into a fit of coughing.

Stage 2. The smell of putrescene lingers in the air around the cursed creature. For and drink quickly spoil, jewelery tarnished, and wood rots within 10 feet of the cursed creature. Additionally, the cursed creature has disadvantage on Charisma saving throws..

Stage 3. The cursed creature's skin becomes riddled with pock marks, pustules, and lesions. Insects flock to the cursed creature, using their clothes. The cursed creature's Charisma score becomes 6, unless it was already lower.

Culmination. Upon failing the final escalation check, the cursed creature twists into a deformed figure and becomes a Plague Carrion. If the creature is a player, they become an NPC under the GM's control.