Disaster Lord: Starting as a Demon Duke

'''Starting with a territory, training troops, occupying mines, forging weapons, cultivating farmland, recruiting heroes, leading armies into battle, upgrading arrow towers... Luo Lun transmigrated into a world with supernatural powers, where he began with the bloodline of a Demon Archduke and even possessed his own territory. But that wasn't all—he was also a descendant of a high-ranking noble, making his status incredibly prestigious. The only discord in this world, however, was the monthly terror of a catastrophic disaster—the Bloody Polluted Ones from dimensional planes would crawl out and attack human cities. Countless lives were lost to this every year, and everyone regarded it as a...