You do this by going to an enemy village and chose hostile actions then one of the 2-3 actions (depends on the relationship with a city).You do this by clicking an enemy unit or city/castle then you chose the option to attack ie: siege the castle.Build productive enterprises to earn income.Train yourself and your soldiers in training fields.Help people among the land by doing quests for them.Win tournaments to level up and hone your skills.Trade between cities to make a profit off trade items.Become king or queen of all of Calradia.Help lords battle an enemy faction as a mercenary.