Heregeld bestows a +10% Vassal Tax Contribution. It fits perfectly with the previously mentioned strategies discussed above. Thus, players can earn even more money from ransoming important prisoners, especially the ones who can afford it. In addition, one of the tertiary benefits of Golden Obligations is an increase in ransom costs. Whenever a Hook is gained on another character, the player can sell it back to the victim…for a price. This essentially allows the player character to blackmail their vassals and courtiers. This perk allows a ruler to demand payment for Hooks. To see how profitable these rewards can be, here's the full breakdown of some of the most useful perks a character may acquire: Selecting the 'Avaricious' Stewardship Perk Tree is the first step in this regard. A player's own subjects can be exploited for increased profits. In the pursuit of gold, one need not stop at punishing foreign enemies.