Contempt Chaos Dwarf and Bull Centaur units are not subject to panic rests caused by friendly units which are destroyed or fail a Break test within 6" of them, unless the unit that is destroyed or broken is itsellf a Chaos Dwarf or Bull Centaur unit.
Characters with the Contempt rule may not join units other than those who are also subject to this rule as well as any other normal restrictions.
Sorcerrer's curse Whenever a Chaos Dwarf with this special rule suffers a Miscast during the game, after resolving the effects of the Miscast, they must take a Toughness test. If this test is faild they suffer a single addition wound which may not be stopped in any way. However the first time they suffer a wound in this way they aslso gain +1 Toughness for the rest of the game.