Cypher, Lord of the Fallen

Slaying Cypher only awards VP's if there is an enemy model within D6" when he loses his last Wound.

Cypher cannot be selected as the Warlord of an army. In addition, the Leadership characteristic of the Warlord of an army that includes Cypher suffers a -1 penalty.

Independent characters can join other units.  They cannot, however, join units that contain vehicles or Monstrous Creatures.  They can join other Independent Characters, though, to form a powerful multi-character unit!  Independent Characters pass Look Out, Sir rolls on a 2+. A unit that contains one or more Independent Characters does not need a double 1 to Regroup if reduced to below 25% of its starting numbres, but instead tests as if it had at least 25% remaining.

Full details in BRB. Rule too long to copy verbatim.