Rastislav was the ruler at the time, and Moravia had been converted decades before. Why do we have this random other dude and why are they a pagan faction? Also there is no accounting for actual Moravian army, which had a "Fyrd" style levy system and adopted Frankish equipment.

Other minor issues I have, seems like East Frankia is just a better version of West Frankia with better infantry, archers even cavalry! West Frankia should be the go to heavy cavalry faction. In terms of Skins, the Byzantine "Kataphractoi" units are on unarmored horses and have dumb looking eastern face masks, please just use the Dux Guard model with an actual "Kataphract" horse.

I have some experience with Modding and if willing I would like to lend my assistance to these potential tweaks, as well as adding a Magyar faction at least in Custom battles.