Deformity (Parasite)

Type of Feat: Vile, Deformity
You invite parasites into your body in exchange for a greater hardiness against diseases and poisons.
Prerequisite: Willing Deformity.
Benefit: As an immediate action, you can negate any disease or poison affecting you. On your next turn, you are immobilized as the agitated parasites wriggle in your flesh.