How to fix Old World army fatigue fast?

In Old World, army fatigue is the primary bottleneck limiting expansion and continuous combat. Traditional waiting for turns to recover is inefficient and slows down gameplay significantly. Using the Fatigue modifier project, you can instantly reset or drastically reduce unit fatigue levels. This allows your troops to march and siege continuously without penalties, completely breaking movement restrictions. You no longer need to waste precious turns recovering status, allowing you to focus on strategic deployment and resource plundering. This instant recovery mechanism makes gameplay smoother, ensuring you always maintain battlefield initiative. It enables easy multi-front warfare and rapid conquest, greatly enhancing game efficiency and enjoyment by removing tedious downtime.