Corruption rules from Heroes of Horror: Moderate Corruption (Bones Thicken) gives +2 Str/-4 Dex, and Severe Corruption - -2 Con (Internal Corruption), -1 Str/Dex/Con (Lungs Eaten Away), -2 Cha (Nose Rots), -2 Dex (Spine Twists), and -2 Str (Wrigglers).