Quote Originally Posted by Eternal Champion
As it has alreadty been said Kataproktai themselves aren't that bad it's the fact that the ones in SP are usually high valor royalty that cause the problem.
Correction- high command royalty ;)
Command stars are definitely overpowered in MTW.

Kataphractoi themselves are a pretty mediocre heavy cavalry unit. Compare to chivalric knights who have +2 attack, +4 morale and can move much faster.