Engine Prototype #4 was built as a siege weapon to break the standstill while trying to breach the Elven city of Cullebra. It’s new offensive system dubbed the Arcane Mortar , is viewed as one of the most destructive forces in all Terescence.
Once a year, the king steps down from his throne, and lives as a peasant for one day, the next day is the anniversary of his coronation, and it is celebrated by a reenactment of the ceremony. This is doubly beneficial, firstly, because the people are able to have the grand parade that always precedes the ceremony. Secondly, because the heir to the throne is given a day on the job every year. Although, apparently, the thought has not yet come to one of the kingdoms enemies, the assassination of the king during the renewal coronation would be a moral, as well as a political blow to the kingdom.