Unlike what many would think, the laws of the empire were so strict one would even think the emperor is insecure but they would fail to realize they are dealing with deities and not humans.
In the gyro Kingdom or other kingdoms in the past nobility was allowed to have its personal forces, it's just that there is always a cap on how many they can train but in this world, no noble was allowed to own personal soldiers.
In fact, the soldiers of the holy church are more or less a special unit in the military. They are just blessed and designed to combat the forces of evil. The most valuable of the military forces in the empire but it is said special tests are to be taken to decide if one has what it takes to become a member of the special holy forces.
As soon as Cecile arrived at the training camp, he was greeted by a massive crowd, leaving him stunned by how many people were eager to join the military.