: The plague mechanic was reworked to tie directly to a province's sanitation level, reflecting the historical "Plague of Cyprian" that devastated the empire.
: Technology trees were redesigned to reflect the specific reforms and challenges faced by leaders of the era, rather than general scientific progress. 3. Faction Diversity and "Heroic" Leaders Total War Rome 2 Empire Divided ALL DLC’s Fre...
The expansion features categorized into five cultural groups. Five of these are designated as Heroic Factions , which have unique victory conditions and custom event chains following their leaders' lives: : The plague mechanic was reworked to tie