Title based demesne size
This mod adds demesne size modifiers based on all held titles. Each emperor and king tier and bundle of three duke tier titles will give you bonuses.
The calculations are simple:
3x Duchy tier title => +1 demesne size
1x King tier title => +4 demesne size
1x Emperor tier title => +4 demesne size
Why those numbers? There are on average 4 kingdoms in an empire and 4 duchies in each kingdom. It should allow you to hold a county in each of those – or build yourself a larger blob inside whole realm. And those duchy titles, there is a bonus for holding two of them (when you’re a duke) so if you end up holding three you’ve got a bonus too. Also when being higher tier and holding 3 duchies (6, 9 and so on too) it also contributes to the pool.
The game options allow you to change default values visible above to smaller/bigger or to disable mod starting new game.
