Eight Reasons to Rebel

Eight Reasons to Rebel is a fantasy novel that I have been writing for about a year and a half now and soon to be published as either a book or online.
In a society spit into eight different kingdoms each representing a unique element, only the royal families process their kingdoms power.
The oldest heir of each kingdom must prove their worth in the spiritus trials, where the winner receives dominant control of Edrea for the next 25 years. To train for this the eight must attend a school where they must build alliances and find potential enemies. Through forbidden romances and shocking betrayals, will the succeed their parents crowns or will they fall when they discover something that can change the fate of their world forever.