Immune to crippling injuries. Brain, Vitals and Groin cannot be targeted. Most foes cannot slam or grapple you (GM's decision). Do not bleed. Unaffected by blood-borne toxins. Immune to attacks that rely on cutting off blood to part of your body. Impaling and piercing attacks of any size never do more than 1 HP of injury, regardless of penetrating damage. Other attacks never do more than 2 HP of injury. Exception: Area-effect, cone, and explosion attacks cause normal injury