Napoleon's Eternal Empire

!!! Plot is Ficticous !!! After Napoleon's victory at the Battle of Waterloo, he cemented his control over France. However, in 1817, European states, fearing his power, declared war on the French Empire, leading to a five-year stalemate. By 1818, the British launched an invasion in Brittany, trying to break the deadlock. They besieged a French fort, causing fierce fighting. You find yourself in this siege. Whether defending the French fort or part of the British assault. The outcome of this siege could change the course of the war.