These allow your infantry to scale the walls and gain entry to the opposing town easily. It's even possible to construct air transport units to let your men fly over the walls to gain entry. Fate of the Dragon also has an interesting method for handling horses. Cavalry units aren't created as cavalry - rather, normal soldiers are created and horses are bred in a stable. The soldiers can be instructed to mount the horses, giving you your cavalry.
Labourers can also use the horses to transport greater quantities of resources.
If your enemy should find any of your horses standing about unaccompanied, he can use them for his own purposes. Riders can be killed while leaving the horse, and likewise horses can be killed leaving the rider alive. This system makes your horses like another resource, which needs careful management. The developers have come up with a list of over 100 skills, inspired by the culture of the Three Kingdoms period. They are researched in the National Academy, and give stat improvements to troops and allow the building of new units or structures.