Raising a Giant Dragon in a Small Remote City!

My name is Joshua. Half a month ago, I transmigrated to a land of swords and magic and became an unfortunate exiled prince. In order to go back to the Royal Empire and take back the throne that originally belonged to me, I had no choice but to start learning how to manage my own land. Just then, I awakened a special system panel and randomly drew a strange creature egg. After a short period of hatching, I received a baby dragon. This little one had great potential. As long as I could raise it, I could become a Great Dragon Ruler and use that power to take back the throne that was mine! But raising a dragon required inordinate amounts of resources. As such, I paid even more attention to managing my territory. I used my 21st-century knowledge to gradually transform this barren village town into an economic hub. With my meticulous care, the great dragon thrived and grew healthily, quickly acquiring astonishing prowess in battle. At the same time as I obtained the great dragon's combat power, I owned a bustling metropolis that made the rest of the Empire exclaim out in surprise...