Spell: Blister Bomb
You launch a small bomb enchanted with a fast-acting skin disease at your foes, causing their skin to break out in horrible bleeding sores. All creatures in the area of the burst must attempt a Fortitude save.
Critical Success The creature is unaffected and is immune to blister pox for 1 week.
Success The creature is Sickened 2.
Failure The creature is afflicted with blister pox at stage 1.
Critical Failure The creature is afflicted with blister pox at stage 2.
Blister Pox (disease) Level 5; A creature can't reduce its sickened value below 1 while it's taking persistent bleed damage from blister pox
Stage 1 sickened 2 (1 round)
Stage 2 sickened 2 and 1d6 persistent bleed damage (1 round)
Stage 3 sickened 2 and 2d6 persistent bleed damage (1 round)
Stage 4 Sickened 3 and 2d6 persistent bleed damage (1 day)