In Great Invasions Mod, there are 6 assets
-Prestige (VP) ; Required for diplomatic action, generated by cities and structures and lost when ruler is not able to protect his people from raids or starvation .
-Morale (NM) ; Earned and lost via battles.
-Engagement Points ; Required for almost everything (options, decisions), generated by cities and structures.
-Money ; Required to pay and recruit your vassal units, levy units are free. A few decisions will require it too. (Generated by Cities and Structures once a year.
-Men ; Required for levy decisions. Generated by cities and structures once a year.
-War supplies ; Required for levy decisions. Generated by cities and structures once a year.
The regional decisions are removed and added depending on season kind ( war, infrastructure, diplomacy, levy).
The goal is to keep player busy during the cold times and focused on war between May and October.