This transforms the world map from a collection of targets into a complex web of long-term relationships where a "betrayal" on the battlefield has lasting consequences for your dynasty's reputation. The Tengri Spirit

To call an ally into war, you must now spend "Favors" earned through years of mutual protection, or promise them a share of the spoils.

The story of the expansion for Europa Universalis IV centers on the shifting power dynamics of the steppes and the internal struggle for control between a monarch and their subjects. It captures the era when the Great Horde began to fracture and the rising powers of Eastern Europe—most notably Muscovy and Poland-Lithuania—sought to tame the wild frontiers. The Rise of the Estate

Give them too much power, and they may demand more than you can give, leading to a "Coup" or internal strife that can tear a kingdom apart from within. Guardians of the Frontier