Fast forward, to the MC's marriage to Janna Tyrell and with the excuse of the marriage, all the lords come to the city to see the development of the Prussians and their power and control over their lands and new agreements and meetings with the lords.
Continue developing trade with Essos, using the steps as a bridge to sell excess food from the countryside, which has greater value in Essos due to the constant attacks by horselords, which happen in free cities.
