Fiendish Servant: Up to 20th character level, a
fiendish servant's powers depend on its master's character level, not his or her
blackguard class level. After that, they depend on his or her
blackguard level. For every five
blackguard levels above 10th the
fiendish servant gains +2 bonus Hit
Dice, its natural
armor in-creases by +2, and its Strength and Intelligence each increase by +1.
Fallen Paladins: A
blackguard who trades in more than ten levels of
paladin can gain more than ten levels of
blackguard, but only if his character level is 21st or higher.