They had to accompany the Sultan on campaigns , but exceptional service would be rewarded by assignments outside the palace .
This class of rulers was chosen from the brightest of devshirme and hand - picked to serve in the Palace institution , known as the Enderun .
rulers had to accompany the Sultan on campaigns , but exceptional service would be rewarded by assignments outside the palace .
This class of rulers was chosen from the brightest of devshirme and hand - picked to serve in the Palace institution , known as the Enderun .