Originally Posted by antisocialmunky
Cataphracts are probably the best cavalry in that game. Thus, they tend to get more penetration and do more damage. On top of that, all that armor gives the Catanks more impact power(see Ludus Magna, there is a topic on charging damage, armor is for 'impact' calculations and mass is for knock back calculations). Since ARMOR dictates impact damage more than raw charge power, Catanks being probably the heaviest armored unit in the game, they get lots and lots of power.
If you haven't modded out the flying horsies, the Catanks will land in the middle of your formations. If the Catanks get too close, the Phalanx switches to swords and the whole thing falls apart. if oyu don't want to mod it however, you can fix this by using a thin 2-4 thick phalanx infront of a normal Phalanx. Basically the front Phalanx destroys the charge and the second one mops up.
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