Starting with a territory, train troops, occupy mines, forge weapons, cultivate farmland, gain heroes, lead troops into battle, upgrade arrow towers... Loren is transported to a world with extraordinary powers. He starts by obtaining the bloodline of a Demon Duke and possessing a territory. Furthermore, he is a descendant of a high-ranking noble, with an unparalleled status. However, the only disharmony in this world is the monthly terrifying natural disaster—blood-stained polluters from a dimensional plane emerge to attack human cities. Millions of lives are lost annually, making it a source of nightmares and terror for all. Loren watches as corrupted giant dragons, bloody angels, and death titans, polluted by the dimensional plane, charge towards his territory...