Jirisys' Europa Barbarorum Mega Mod Pack for EB 1.2

[Paul D]

That's weird. I will look on to it.

~Jirisys ()

It is due to the increased movement- they slave faction tries to combine all its armies together, even if it means abandoning all their cities. They are more likely to try this kind of stunt if it is possible to reach multiple settlements in one turn, the AI generally doesn't like to make moves that would take more than one turn to complete.