Arcane Parasites

Thousands of unseen parasites within your flesh draw upon the arcane power held within every spell you cast.
Prerequisite: Ability to cast arcane spells.
Effect: Every arcane spell you cast has the DC to resist it lowered by 1. These parasites cannot he removed by any mortal means, even by a miracle or wish.
Suggested Class/Race: Wizard
Source:Dragon Magazine #333 (Class Acts – Flaws For Wizards)