In general, Jiro, I also like your idea.
for example, a quest where Lone is tricked into buying a destroyed estate in contaminated lands.
Which can be restored, defensive structures can be built, and refugees can be accepted. To do this, the game already has all the resources stone, wood, ore. Every day, attacks from monsters and bandits will occur more often. If Lona falls into slavery, the estate is burned.
And rebuild it again